diff --git a/src/game/activemenu.c b/src/game/activemenu.c
index 4380bdb1e..8793ca26b 100644
--- a/src/game/activemenu.c
+++ b/src/game/activemenu.c
@@ -443,24 +443,10 @@ void amGetSlotDetails(s32 slot, u32 *flags, char *label)
 	default: // Orders screen
 		strcpy(label, "");
 
-		if (g_MissionConfig.iscoop) {
-			if (slot == 4) {
-				strcpy(label, langGet(L_MISC_474)); // "Perfect Buddies"
-			} else if (slot == 1) {
-				strcpy(label, langGet(L_MISC_472)); // "Aggressive"
-			} else if (slot == 7) {
-				strcpy(label, langGet(L_MISC_473)); // "Passive"
-#if VERSION >= VERSION_NTSC_1_0
-			} else if (slot == 3) {
-				strcpy(label, langGet(L_MISC_475)); // "Stealth"
-#endif
-			}
+		if (slot == 4) {
+			strcpy(label, langGet(L_MISC_172)); // "Orders"
 		} else {
-			if (slot == 4) {
-				strcpy(label, langGet(L_MISC_172)); // "Orders"
-			} else {
-				strcpy(label, botGetCommandName(g_AmBotCommands[slot]));
-			}
+			strcpy(label, botGetCommandName(g_AmBotCommands[slot]));
 		}
 		break;
 	}
@@ -576,13 +562,8 @@ void amChangeScreen(s32 step)
 		}
 	} else {
 		// Solo missions, or MP with no teams
-		if (g_MissionConfig.iscoop && amGetFirstBuddyIndex() >= 0) {
-			// Weapon selection, second function and AI buddy commands
-			maxscreenindex = 2;
-		} else {
-			// Weapon selection and second function
-			maxscreenindex = 1;
-		}
+		// Weapon selection and second function
+		maxscreenindex = 1;
 	}
 
 	if (g_AmMenus[g_AmIndex].screenindex > maxscreenindex) {
@@ -1350,42 +1331,12 @@ Gfx *amRender(Gfx *gdl)
 					mode = AMSLOTMODE_FOCUSED;
 				}
 
-				if (g_MissionConfig.iscoop && (buddynum = amGetFirstBuddyIndex(), buddynum >= 0)) {
-					if (mode == AMSLOTMODE_DEFAULT && g_AmMenus[g_AmIndex].screenindex >= 2) {
-						struct chrdata *chr = g_Vars.aibuddies[buddynum]->chr;
+				if (mode == AMSLOTMODE_DEFAULT && g_AmMenus[g_AmIndex].screenindex >= 2) {
+					s32 slotcmd = g_AmBotCommands[var800719a0[row][column]];
+					s32 botcmd = g_MpAllChrPtrs[mpchrnum]->aibot->command;
 
-#if VERSION >= VERSION_NTSC_1_0
-						if (var800719a0[row][column] == 7) {
-							if (chr->hidden & CHRHFLAG_PASSIVE) {
-								mode = AMSLOTMODE_CURRENT;
-							}
-						} else if (var800719a0[row][column] == 1) {
-							if ((chr->hidden & CHRHFLAG_PASSIVE) == 0) {
-								mode = AMSLOTMODE_CURRENT;
-							}
-						}
-#else
-						if (chr->hidden & CHRHFLAG_PASSIVE) {
-							if (var800719a0[row][column] == 7) {
-								mode = AMSLOTMODE_CURRENT;
-							}
-						} else {
-							if (var800719a0[row][column] == 1) {
-								mode = AMSLOTMODE_CURRENT;
-							}
-						}
-#endif
-					}
-				} else {
-					if (g_Vars.normmplayerisrunning
-							&& mode == AMSLOTMODE_DEFAULT
-							&& g_AmMenus[g_AmIndex].screenindex >= 2) {
-						s32 slotcmd = g_AmBotCommands[var800719a0[row][column]];
-						s32 botcmd = g_MpAllChrPtrs[mpchrnum]->aibot->command;
-
-						if (slotcmd == botcmd) {
-							mode = AMSLOTMODE_CURRENT;
-						}
+					if (slotcmd == botcmd) {
+						mode = AMSLOTMODE_CURRENT;
 					}
 				}
 
@@ -1408,22 +1359,8 @@ Gfx *amRender(Gfx *gdl)
 		}
 
 		// Render AI bot name and weapon
-		{
-			struct g_vars *vars = &g_Vars;
-
-#if VERSION >= VERSION_JPN_FINAL
-			if (!(g_MissionConfig.iscoop && amGetFirstBuddyIndex() >= 0)
-					&& g_Vars.normmplayerisrunning
-					&& g_AmMenus[g_AmIndex].screenindex >= 2) {
-				gdl = amRenderAibotInfo(gdl, g_AmMenus[g_AmIndex].screenindex - 2);
-			}
-#else
-			if (!(g_MissionConfig.iscoop && amGetFirstBuddyIndex() >= 0)
-					&& vars->normmplayerisrunning
-					&& g_AmMenus[g_AmIndex].screenindex >= 2) {
-				gdl = amRenderAibotInfo(gdl, g_AmMenus[g_AmIndex].screenindex - 2);
-			}
-#endif
+		if (g_AmMenus[g_AmIndex].screenindex >= 2) {
+			gdl = amRenderAibotInfo(gdl, g_AmMenus[g_AmIndex].screenindex - 2);
 		}
 
 		// Note: the column and row values will never be 1 here, so this
diff --git a/src/game/activemenutick.c b/src/game/activemenutick.c
index 27654a88a..9f902b5d5 100644
--- a/src/game/activemenutick.c
+++ b/src/game/activemenutick.c
@@ -1225,24 +1225,15 @@ void amTick(void)
 
 				if (toggle) {
 					if (g_AmMenus[g_AmIndex].screenindex >= 2) {
-						if (g_Vars.numaibuddies && g_MissionConfig.iscoop) {
-							// Bot command screen, in coop with AI buddies
-							if (g_AmMenus[g_AmIndex].slotnum == 4) {
-								gotonextscreen = true;
-							} else {
-								amApply(g_AmMenus[g_AmIndex].slotnum);
-							}
-						} else {
-							// Bot command screen, in multiplayer
-							if (g_AmBotCommands[g_AmMenus[g_AmIndex].slotnum] == MPBOTCOMMAND_ATTACK) {
-								amOpenPickTarget();
-							} else if (g_AmMenus[g_AmIndex].allbots == false) {
-								gotonextscreen = true;
-							}
+						// Bot command screen, in multiplayer
+						if (g_AmBotCommands[g_AmMenus[g_AmIndex].slotnum] == MPBOTCOMMAND_ATTACK) {
+							amOpenPickTarget();
+						} else if (g_AmMenus[g_AmIndex].allbots == false) {
+							gotonextscreen = true;
+						}
 
-							if (g_AmMenus[g_AmIndex].slotnum != 4) {
-								amApply(g_AmMenus[g_AmIndex].slotnum);
-							}
+						if (g_AmMenus[g_AmIndex].slotnum != 4) {
+							amApply(g_AmMenus[g_AmIndex].slotnum);
 						}
 					} else {
 						// Weapon or function screen
diff --git a/src/game/body.c b/src/game/body.c
index b9c4a5f2e..3b66393a4 100644
--- a/src/game/body.c
+++ b/src/game/body.c
@@ -483,10 +483,6 @@ void bodyAllocateChr(s32 stagenum, struct packedchr *packed, s32 cmdindex)
 				chr->chrflags |= CHRCFLAG_CLONEABLE;
 			}
 
-			if (!g_Vars.normmplayerisrunning && g_MissionConfig.iscoop && g_Vars.numaibuddies > 0) {
-				chr->flags |= CHRFLAG0_AIVSAI;
-			}
-
 			if (random() % 5 == 0) {
 				// Make chr punch slower
 				chr->flags2 |= CHRFLAG1_ADJUSTPUNCHSPEED;
diff --git a/src/game/bondgun.c b/src/game/bondgun.c
index ad25aff31..937376924 100644
--- a/src/game/bondgun.c
+++ b/src/game/bondgun.c
@@ -6152,17 +6152,6 @@ void bgunDisarm(struct prop *attackerprop)
 	bool drop;
 
 	if (!weaponHasFlag(weaponnum, WEAPONFLAG_UNDROPPABLE) && weaponnum <= WEAPON_RCP45) {
-#if VERSION >= VERSION_NTSC_1_0
-		// Coop must not allow player to drop a mission critical weapon
-		// because AI lists can fail the mission if the player has zero
-		// quantity.
-		if (g_Vars.coopplayernum >= 0
-				&& (attackerprop == g_Vars.bond->prop || attackerprop == g_Vars.coop->prop)
-				&& bgunIsMissionCritical(weaponnum)) {
-			return;
-		}
-#endif
-
 		if (weaponnum <= WEAPON_UNARMED || player->gunctrl.switchtoweaponnum != -1) {
 			return;
 		}
diff --git a/src/game/bondmove.c b/src/game/bondmove.c
index 81a863a14..3420d7ce2 100644
--- a/src/game/bondmove.c
+++ b/src/game/bondmove.c
@@ -1022,9 +1022,7 @@ void bmoveProcessInput(bool allowc1x, bool allowc1y, bool allowc1buttons, bool i
 
 					// Handle shutting eyes in multiplayer
 					if (bmoveGetCrouchPos() == CROUCHPOS_SQUAT
-							&& g_Vars.currentplayer->crouchoffset == -90
-							&& g_Vars.mplayerisrunning
-							&& g_Vars.coopplayernum < 0) {
+							&& g_Vars.currentplayer->crouchoffset == -90) {
 						movedata.eyesshut = g_Vars.currentplayer->insightaimmode
 							&& !canmanualzoom
 							&& joyGetStickY(contpad2) < -30;
@@ -1377,9 +1375,7 @@ void bmoveProcessInput(bool allowc1x, bool allowc1y, bool allowc1buttons, bool i
 
 					// Handle shutting eyes in multiplayer
 					if (bmoveGetCrouchPos() == CROUCHPOS_SQUAT
-							&& g_Vars.currentplayer->crouchoffset == -90
-							&& g_Vars.mplayerisrunning
-							&& g_Vars.coopplayernum <= -1) {
+							&& g_Vars.currentplayer->crouchoffset == -90) {
 						movedata.eyesshut = g_Vars.currentplayer->insightaimmode
 							&& !canmanualzoom
 							&& joyGetButtons(contpad1, c1allowedbuttons & (0 | D_CBUTTONS));
diff --git a/src/game/bondwalk.c b/src/game/bondwalk.c
index af7e12254..de5db4233 100644
--- a/src/game/bondwalk.c
+++ b/src/game/bondwalk.c
@@ -402,11 +402,7 @@ bool bwalkCalculateNewPositionWithPush(struct coord *delta, f32 rotateamount, bo
 						canpush = true;
 					}
 				} else if (chr->chrflags & CHRCFLAG_PUSHABLE) {
-					if (g_Vars.antiplayernum < 0
-							|| g_Vars.currentplayer != g_Vars.anti
-							|| (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE) == 0) {
-						canpush = true;
-					}
+					canpush = true;
 				}
 
 				if (canpush) {
@@ -733,19 +729,6 @@ void bwalkUpdateVertical(void)
 
 	playerGetBbox(g_Vars.currentplayer->prop, &radius, &ymax, &ymin);
 
-#if VERSION >= VERSION_NTSC_1_0
-	// Maybe reset counter-op's radius - not sure why
-	// Maybe it gets set to 0 when they die?
-	if (g_Vars.antiplayernum >= 0
-			&& g_Vars.currentplayer == g_Vars.anti
-			&& g_Vars.currentplayer->bond2.radius != 30
-			&& cdTestVolume(&g_Vars.currentplayer->prop->pos, 30, g_Vars.currentplayer->prop->rooms, CDTYPE_ALL, CHECKVERTICAL_YES, ymax - g_Vars.currentplayer->prop->pos.y, ymin - g_Vars.currentplayer->prop->pos.y)) {
-		g_Vars.currentplayer->prop->chr->radius = 30;
-		g_Vars.currentplayer->bond2.radius = 30;
-		radius = 30;
-	}
-#endif
-
 	// Determine if player is on a ladder
 	// If this comes up false, a second check is done... maybe checking if the
 	// player is touching a ladder from a room which shares the same coordinate
diff --git a/src/game/chr.c b/src/game/chr.c
index d06a0bb00..1ac25ab1c 100644
--- a/src/game/chr.c
+++ b/src/game/chr.c
@@ -1352,16 +1352,6 @@ void chrRemove(struct prop *prop, bool delete)
 		chrClearReferences(prop - g_Vars.props);
 		projectilesUnrefOwner(prop);
 
-		if (g_Vars.normmplayerisrunning == false && g_MissionConfig.iscoop) {
-			s32 i;
-
-			for (i = 0; i < g_Vars.numaibuddies && i < 4; i++) {
-				if (g_Vars.aibuddies[i] == prop) {
-					g_Vars.aibuddies[i] = NULL;
-				}
-			}
-		}
-
 		chr->chrnum = -1;
 
 		rebuildTeams();
@@ -2446,26 +2436,8 @@ s32 chrTick(struct prop *prop)
 		} else {
 			onscreen = func0f08e8ac(prop, &prop->pos, model0001af80(model), true);
 
-			if (g_Vars.mplayerisrunning) {
-				if (fulltick) {
-					if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-						if (onscreen) {
-							chr0f0220ec(chr, lvupdate240, 1);
-						} else if (model->anim->animnum2 != 0) {
-							chr0f0220ec(chr, lvupdate240, 0);
-						}
-					} else {
-						chr0f0220ec(chr, lvupdate240, 1);
-					}
-				}
-			} else if (onscreen) {
-				if (chr->act_stand.playwalkanim == true) {
-					chr0f0220ec(chr, lvupdate240, 0);
-				} else {
-					chr0f0220ec(chr, lvupdate240, 1);
-				}
-			} else if (model->anim->animnum2 != 0) {
-				chr0f0220ec(chr, lvupdate240, 0);
+			if (fulltick) {
+				chr0f0220ec(chr, lvupdate240, 1);
 			}
 		}
 	} else if (chr->actiontype == ACT_DEAD) {
@@ -2543,10 +2515,6 @@ s32 chrTick(struct prop *prop)
 		prop->flags |= PROPFLAG_ONTHISSCREENTHISTICK | PROPFLAG_ONANYSCREENTHISTICK;
 		chr->chrflags |= CHRCFLAG_EVERONSCREEN;
 
-		if (g_Vars.antiplayernum >= 0 && g_Vars.currentplayer == g_Vars.bond) {
-			chr->hidden |= CHRHFLAG_00800000;
-		}
-
 		g_ModelJointPositionedFunc = &chrHandleJointPositioned;
 		g_CurModelChr = chr;
 
@@ -2730,10 +2698,6 @@ s32 chrTick(struct prop *prop)
 		// Offscreen
 		prop->flags &= ~PROPFLAG_ONTHISSCREENTHISTICK;
 
-		if (g_Vars.antiplayernum >= 0 && g_Vars.currentplayer == g_Vars.bond) {
-			chr->hidden &= ~CHRHFLAG_00800000;
-		}
-
 		child = prop->child;
 
 		while (child) {
@@ -5014,22 +4978,6 @@ void chrHit(struct shotdata *shotdata, struct hit *hit)
 				g_Vars.currentplayer->prop, hit->hitpart, hit->prop, hit->node,
 				hit->model, hit->hitthing.unk28 / 2, sp90);
 
-		if (g_Vars.antiplayernum >= 0
-				&& g_Vars.currentplayer == g_Vars.anti
-				&& (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE)) {
-			return;
-		}
-
-		if (g_Vars.coopplayernum >= 0
-				&& g_Vars.coopfriendlyfire == 0
-				&& prop->type == PROPTYPE_PLAYER) {
-			return;
-		}
-
-		if (g_MissionConfig.iscoop && g_Vars.coopfriendlyfire == 0 && chr->team == TEAM_ALLY) {
-			return;
-		}
-
 		if (shield <= 0) {
 			if (hit->prop->type == PROPTYPE_WEAPON) {
 				// Shot a chr's weapon
@@ -5383,8 +5331,7 @@ bool chrCalculateAutoAim(struct prop *prop, struct coord *arg1, f32 *arg2, f32 *
 			&& chr->actiontype != ACT_DEAD
 			&& (chr->chrflags & CHRCFLAG_NOAUTOAIM) == 0
 			&& ((chr->hidden & CHRHFLAG_CLOAKED) == 0)
-			&& !(prop->type == PROPTYPE_PLAYER && g_Vars.players[playermgrGetPlayerNumByProp(prop)]->isdead)
-			&& !(g_Vars.coopplayernum >= 0 && (prop == g_Vars.bond->prop || prop == g_Vars.coop->prop))) {
+			&& !(prop->type == PROPTYPE_PLAYER && g_Vars.players[playermgrGetPlayerNumByProp(prop)]->isdead)) {
 		struct model *model = chr->model;
 		Mtxf *mtx1;
 		Mtxf *mtx2;
diff --git a/src/game/chraction.c b/src/game/chraction.c
index 9a9ee6dd7..a4a569845 100644
--- a/src/game/chraction.c
+++ b/src/game/chraction.c
@@ -4144,46 +4144,6 @@ void chrDamage(struct chrdata *chr, f32 damage, struct coord *vector, struct gse
 		return;
 	}
 
-	// Don't damage if attacker was anti and chr is non-interactable by anti
-	if (g_Vars.antiplayernum >= 0
-			&& aprop
-			&& aprop == g_Vars.anti->prop
-			&& (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE)) {
-		return;
-	}
-
-	// Don't damage if coop and friendly fire is off (human buddy)
-	if (g_Vars.coopplayernum >= 0
-			&& g_Vars.coopfriendlyfire == false
-			&& aprop
-			&& aprop != vprop
-			&& aprop->type == PROPTYPE_PLAYER
-			&& vprop->type == PROPTYPE_PLAYER) {
-		return;
-	}
-
-	// Don't damage if coop and friendly fire is off (AI buddy)
-	if (g_MissionConfig.iscoop
-			&& g_Vars.coopfriendlyfire == false
-			&& aprop
-			&& aprop != vprop
-			&& (aprop->type == PROPTYPE_PLAYER || aprop->type == PROPTYPE_CHR)
-			&& chr->team == TEAM_ALLY
-			&& aprop->chr->team == TEAM_ALLY) {
-		return;
-	}
-
-	// Don't allow coop AI to kill or destroy anything
-	// which anti wouldn't be able to
-	if (g_MissionConfig.iscoop
-			&& aprop
-			&& aprop != vprop
-			&& aprop->type == PROPTYPE_CHR
-			&& aprop->chr->team == TEAM_ALLY
-			&& (chr->hidden & CHRHFLAG_ANTINONINTERACTABLE)) {
-		return;
-	}
-
 	if (gset == NULL) {
 		gset = &gset2;
 	}
@@ -4218,85 +4178,11 @@ void chrDamage(struct chrdata *chr, f32 damage, struct coord *vector, struct gse
 		damage = 0;
 	}
 
-	// Apply damage scaling based on difficulty settings
-	if (g_Vars.mplayerisrunning == false) {
-		// Solo
-		if (explosion) {
-			if (vprop->type == PROPTYPE_PLAYER) {
-				damage *= g_ExplosionDamageTxScale;
-			}
-		} else if (aprop && aprop->type == PROPTYPE_PLAYER) {
-			// Player is attacking
-			damage *= g_PlayerDamageTxScale;
-			headshotdamagescale = 25;
-		} else if (aprop && aprop->type == PROPTYPE_CHR && vprop->type == PROPTYPE_PLAYER) {
-			// Chr is attacking player
-			damage *= g_PlayerDamageRxScale * pdmodeGetEnemyDamage();
-		}
-
-		if (vprop->type != PROPTYPE_PLAYER) {
-			damage /= pdmodeGetEnemyHealth();
-		}
-
-		if (vprop->type == PROPTYPE_PLAYER) {
-			healthscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->healthscale;
-			armourscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->armourscale;
-		}
-	} else if (g_Vars.coopplayernum >= 0) {
-		// Co-op
-		if (explosion) {
-			if (vprop->type == PROPTYPE_PLAYER) {
-				damage *= g_ExplosionDamageTxScale;
-			}
-		} else if (aprop && aprop->type == PROPTYPE_PLAYER && vprop->type != PROPTYPE_PLAYER) {
-			damage *= g_PlayerDamageTxScale;
-			headshotdamagescale = 25;
-		} else if (aprop && aprop->type == PROPTYPE_CHR && vprop->type == PROPTYPE_PLAYER) {
-			damage *= g_PlayerDamageRxScale * pdmodeGetEnemyDamage();
-		}
-
-		if (vprop->type != PROPTYPE_PLAYER) {
-			damage /= pdmodeGetEnemyHealth();
-		}
-
-		if (vprop->type == PROPTYPE_PLAYER) {
-			healthscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->healthscale;
-			armourscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->armourscale;
-		}
-	} else if (g_Vars.antiplayernum >= 0) {
-		// Anti
-		if (explosion) {
-			if (vprop == g_Vars.bond->prop) {
-				damage *= g_ExplosionDamageTxScale;
-			}
-		} else if (aprop && aprop == g_Vars.bond->prop) {
-			damage *= g_PlayerDamageTxScale;
-			headshotdamagescale = 25;
-		} else if (aprop && aprop != g_Vars.bond->prop && vprop == g_Vars.bond->prop) {
-			damage *= g_PlayerDamageRxScale * pdmodeGetEnemyDamage();
-		}
-
-		if (vprop != g_Vars.bond->prop) {
-			damage /= pdmodeGetEnemyHealth();
-		}
-
-		if (vprop == g_Vars.bond->prop) {
-			healthscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->healthscale;
-			armourscale = g_Vars.players[playermgrGetPlayerNumByProp(vprop)]->armourscale;
-		}
-
-		// Anti shooting other enemies is lethal
-		if (aprop && aprop == g_Vars.anti->prop && vprop != g_Vars.bond->prop) {
-			damage *= 100;
-		}
-	} else {
-		// Normal multiplayer
-		if (vprop->type == PROPTYPE_PLAYER) {
-			s32 prevplayernum = g_Vars.currentplayernum;
-			setCurrentPlayerNum(playermgrGetPlayerNumByProp(vprop));
-			damage *= g_Vars.currentplayerstats->damagescale;
-			setCurrentPlayerNum(prevplayernum);
-		}
+	if (vprop->type == PROPTYPE_PLAYER) {
+		s32 prevplayernum = g_Vars.currentplayernum;
+		setCurrentPlayerNum(playermgrGetPlayerNumByProp(vprop));
+		damage *= g_Vars.currentplayerstats->damagescale;
+		setCurrentPlayerNum(prevplayernum);
 	}
 
 	// Apply rumble
@@ -8032,10 +7918,6 @@ void chrAlertOthersOfInjury(struct chrdata *chr, bool dying)
 	s32 numinrange = 0;
 	s32 numchrs = chrsGetNumSlots();
 
-	if (g_Vars.antiplayernum >= 0 && chr->prop == g_Vars.anti->prop) {
-		return;
-	}
-
 	if (chr->actiontype == ACT_ARGH) {
 		index = chr->act_argh.notifychrindex;
 	} else if (chr->actiontype == ACT_DIE || chr->actiontype == ACT_DRUGGEDDROP) {
@@ -10123,12 +10005,7 @@ void chrTickShoot(struct chrdata *chr, s32 handnum)
 									sparksCreate(hitrooms[0], hitprop, &hitpos, NULL, NULL, SPARKTYPE_DEFAULT);
 								}
 
-								if (g_MissionConfig.iscoop && chr->team == TEAM_ALLY
-										&& (hitobj->flags2 & OBJFLAG2_IMMUNETOANTI)) {
-									// Co-op can't damage mission critical objects
-								} else {
-									objTakeGunfire(hitobj, gsetGetDamage(&gset), &hitpos, gset.weaponnum, playernum);
-								}
+								objTakeGunfire(hitobj, gsetGetDamage(&gset), &hitpos, gset.weaponnum, playernum);
 							}
 						} else if (hitsomething) {
 							// Hit the background
@@ -13149,7 +13026,6 @@ void chraTickBg(void)
 
 				if (targetprop && (targetprop->type == PROPTYPE_CHR || targetprop->type == PROPTYPE_PLAYER)) {
 					if ((targetprop->type == PROPTYPE_PLAYER
-								&& !(g_Vars.antiplayernum >= 0 && g_Vars.anti && g_Vars.anti->prop == targetprop)
 								&& chrCompareTeams(chr, targetprop->chr, COMPARE_ENEMIES))) {
 						s32 time60;
 						s32 lastsee;
@@ -13758,39 +13634,6 @@ s32 chrResolvePadId(struct chrdata *chr, s32 pad_id)
 	return pad_id;
 }
 
-/**
- * For all chrs, clear their target and p1p2 values if set to the given player.
- *
- * This function is called when the given player has died. It causes all guards
- * to switch their focus to the remaining coop player.
- */
-void chrsClearRefsToPlayer(s32 playernum)
-{
-	s32 otherplayernum;
-	s32 playerpropnum;
-	s32 i;
-
-	if (g_Vars.coopplayernum >= 0) {
-		if (playernum == g_Vars.bondplayernum) {
-			otherplayernum = g_Vars.coopplayernum;
-			playerpropnum = g_Vars.bond->prop - g_Vars.props;
-		} else {
-			otherplayernum = g_Vars.bondplayernum;
-			playerpropnum = g_Vars.coop->prop - g_Vars.props;
-		}
-
-		for (i = 0; i < chrsGetNumSlots(); i++) {
-			if (g_ChrSlots[i].p1p2 == playernum) {
-				g_ChrSlots[i].p1p2 = otherplayernum;
-			}
-
-			if (g_ChrSlots[i].target == playerpropnum) {
-				g_ChrSlots[i].target = -1;
-			}
-		}
-	}
-}
-
 s32 chrResolveId(struct chrdata *ref, s32 id)
 {
 	if (ref) {
@@ -13815,33 +13658,15 @@ s32 chrResolveId(struct chrdata *ref, s32 id)
 				id = g_Vars.bond->prop->chr->chrnum;
 			}
 			break;
-		case CHR_COOP:
-			if (g_Vars.coop && g_Vars.coop->prop && g_Vars.coop->prop->chr) {
-				id = g_Vars.coop->prop->chr->chrnum;
-			}
-			break;
-		case CHR_ANTI:
-			if (g_Vars.anti && g_Vars.anti->prop && g_Vars.anti->prop->chr) {
-				id = g_Vars.anti->prop->chr->chrnum;
-			}
-			break;
 		case CHR_P1P2:
 			{
-				u32 index = g_Vars.coopplayernum >= 0 ? ref->p1p2 : g_Vars.bondplayernum;
+				u32 index = g_Vars.bondplayernum;
 				struct player *player = g_Vars.players[index];
 				if (player && player->prop && player->prop->chr) {
 					id = player->prop->chr->chrnum;
 				}
 			}
 			break;
-		case CHR_P1P2_OPPOSITE:
-			if (g_Vars.coopplayernum >= 0) {
-				struct player *player = g_Vars.players[1 - ref->p1p2];
-				if (player && player->prop && player->prop->chr) {
-					id = player->prop->chr->chrnum;
-				}
-			}
-			break;
 		case CHR_TARGET:
 			{
 				struct prop *target = chrGetTargetProp(ref);
@@ -13858,16 +13683,6 @@ s32 chrResolveId(struct chrdata *ref, s32 id)
 				id = g_Vars.bond->prop->chr->chrnum;
 			}
 			break;
-		case CHR_COOP:
-			if (g_Vars.coop && g_Vars.coop->prop && g_Vars.coop->prop->chr) {
-				id = g_Vars.coop->prop->chr->chrnum;
-			}
-			break;
-		case CHR_ANTI:
-			if (g_Vars.anti && g_Vars.anti->prop && g_Vars.anti->prop->chr) {
-				id = g_Vars.anti->prop->chr->chrnum;
-			}
-			break;
 		case CHR_P1P2:
 			{
 				struct player *player = g_Vars.players[g_Vars.bondplayernum];
@@ -13876,14 +13691,6 @@ s32 chrResolveId(struct chrdata *ref, s32 id)
 				}
 			}
 			break;
-		case CHR_P1P2_OPPOSITE:
-			if (g_Vars.coopplayernum >= 0) {
-				struct player *player = g_Vars.players[g_Vars.coopplayernum];
-				if (player && player->prop && player->prop->chr) {
-					id = player->prop->chr->chrnum;
-				}
-			}
-			break;
 		}
 	}
 
diff --git a/src/game/explosions.c b/src/game/explosions.c
index 29b550d05..9534423e6 100644
--- a/src/game/explosions.c
+++ b/src/game/explosions.c
@@ -840,11 +840,7 @@ void explosionInflictDamage(struct prop *expprop)
 
 						minfrac = (minfrac * 0.7f + 0.3f) * type->damage;
 
-						if (g_Vars.antiplayernum >= 0
-								&& g_Vars.antiplayernum == exp->owner
-								&& (obj->flags2 & OBJFLAG2_IMMUNETOANTI)) {
-							// anti cannot damage this obj
-						} else if (isfirstframe) {
+						if (isfirstframe) {
 							// Unblock path if this object is a path blocker
 							objUpdateLinkedScenery(obj, expprop);
 
@@ -981,18 +977,12 @@ void explosionInflictDamage(struct prop *expprop)
 						minfrac *= 0.05f * g_Vars.lvupdate60freal;
 					}
 
-					if (g_Vars.normmplayerisrunning) {
+					{
 						struct chrdata *ownerchr = mpGetChrFromPlayerIndex(exp->owner);
 
 						if (ownerchr) {
 							ownerprop = ownerchr->prop;
 						}
-					} else if (exp->owner == g_Vars.bondplayernum) {
-						ownerprop = g_Vars.bond->prop;
-					} else if (g_Vars.coopplayernum >= 0 && exp->owner == g_Vars.coopplayernum) {
-						ownerprop = g_Vars.coop->prop;
-					} else if (g_Vars.antiplayernum >= 0 && exp->owner == g_Vars.antiplayernum) {
-						ownerprop = g_Vars.anti->prop;
 					}
 
 					chrDamageByExplosion(chr, minfrac, &spa0, ownerprop, &expprop->pos);
@@ -1204,15 +1194,7 @@ u32 explosionTick(struct prop *prop)
 
 			scorchsize *= 0.8f + 0.2f * RANDOMFRAC();
 
-			if (g_Vars.normmplayerisrunning) {
-				chr = mpGetChrFromPlayerIndex(exp->owner);
-			} else if (g_Vars.antiplayernum >= 0 && exp->owner == g_Vars.antiplayernum) {
-				chr = g_Vars.anti->prop->chr;
-			} else if (g_Vars.coopplayernum >= 0 && exp->owner == g_Vars.coopplayernum) {
-				chr = g_Vars.coop->prop->chr;
-			} else {
-				chr = g_Vars.bond->prop->chr;
-			}
+			chr = mpGetChrFromPlayerIndex(exp->owner);
 
 			if (g_Rooms[exp->room].gfxdata) {
 				if (g_Rooms[exp->room].gfxdata->xlublocks && bgTestHitInRoom(&prop->pos, &exp->unk3d0, exp->room, &hitthing)) {
diff --git a/src/game/gamefile.c b/src/game/gamefile.c
index e8a0ec437..750270947 100644
--- a/src/game/gamefile.c
+++ b/src/game/gamefile.c
@@ -50,8 +50,8 @@ void gamefilePrintFlags(void)
 
 void gamefileApplyOptions(struct gamefile *file)
 {
-	s32 player1 = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) ? 0 : 4;
-	s32 player2 = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) ? 1 : 5;
+	s32 player1 = 4;
+	s32 player2 = 5;
 
 	optionsSetForwardPitch(player1, pakHasBitflag(GAMEFILEFLAG_P1_FORWARDPITCH, file->flags));
 	optionsSetAutoAim(player1, pakHasBitflag(GAMEFILEFLAG_P1_AUTOAIM, file->flags));
@@ -139,8 +139,8 @@ void gamefileApplyOptions(struct gamefile *file)
 
 void gamefileLoadDefaults(struct gamefile *file)
 {
-	s32 player1 = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) ? 0 : 4;
-	s32 player2 = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) ? 1 : 5;
+	s32 player1 = 4;
+	s32 player2 = 5;
 	s32 i;
 	s32 j;
 
@@ -274,8 +274,8 @@ s32 gamefileLoad(s32 device)
 	s32 ret;
 	u32 stack;
 
-	p1index = g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0 ? 0 : 4;
-	p2index = g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0 ? 1 : 5;
+	p1index = 4;
+	p2index = 5;
 
 	if (device >= 0) {
 		savebufferClear(&buffer);
@@ -365,8 +365,8 @@ s32 gamefileSave(s32 device, s32 fileid, u16 deviceserial)
 	s32 p2index;
 	struct savebuffer buffer;
 
-	p1index = g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0 ? 0 : 4;
-	p2index = g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0 ? 1 : 5;
+	p1index = 4;
+	p2index = 5;
 
 	var80075bd0[0] = 1;
 
diff --git a/src/game/gfxmemory.c b/src/game/gfxmemory.c
index 301920841..95ebd143b 100644
--- a/src/game/gfxmemory.c
+++ b/src/game/gfxmemory.c
@@ -76,23 +76,6 @@ void gfxReset(void)
 
 		gfx = strtol(argFindByPrefix(1, "-mgfx"), NULL, 0) * 1024;
 
-		if (argFindByPrefix(1, "-mgfxtra")) {
-			// ******** Extra specified but are we in the correct game mode I wonder???\n
-			if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && PLAYERCOUNT() == 2) {
-				// ******** Extra Display List Memeory Required\n
-				// ******** Shall steal from video buffer\n
-				// ******** If you try and run hi-res then\n
-				// ******** you're gonna shafted up the arse\n
-				// ******** so don't blame me\n
-				gfxtra = strtol(argFindByPrefix(1, "-mgfxtra"), NULL, 0) * 1024;
-			} else {
-				// ******** No we're not so there\n
-			}
-		}
-
-		// ******** Original Amount required = %dK ber buffer\n
-		// ******** Extra Amount required = %dK ber buffer\n
-		// ******** Total of %dK (Double Buffered)\n
 		g_GfxSizesByPlayerCount[PLAYERCOUNT() - 1] = gfx + gfxtra;
 	}
 
diff --git a/src/game/hudmsg.c b/src/game/hudmsg.c
index a5ac755d5..5fce9fc90 100644
--- a/src/game/hudmsg.c
+++ b/src/game/hudmsg.c
@@ -85,10 +85,7 @@ u8 hudmsgsAreActive(void)
 s32 hudmsgIsZoomRangeVisible(void)
 {
 	return optionsGetShowZoomRange(g_Vars.currentplayerstats->mpindex)
-		&& (PLAYERCOUNT() == 1
-				|| !g_Vars.mplayerisrunning
-				|| g_Vars.coopplayernum >= 0
-				|| g_Vars.antiplayernum >= 0)
+		&& PLAYERCOUNT() == 1
 		&& currentPlayerGetSight() == SIGHT_ZOOM
 		&& g_Vars.currentplayer->cameramode != CAMERAMODE_THIRDPERSON;
 }
@@ -1493,13 +1490,6 @@ Gfx *hudmsgsRender(Gfx *gdl)
 
 	gdl = text0f153628(gdl);
 
-	if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-			&& g_InCutscene
-			&& g_MainIsEndscreen == 0
-			&& g_Vars.currentplayernum == 0) {
-		spdc = false;
-	}
-
 	for (i = 0; i < g_NumHudMessages; i++) {
 		msg = &g_HudMessages[i];
 
diff --git a/src/game/lv.c b/src/game/lv.c
index 5ba7c1397..31cdae910 100644
--- a/src/game/lv.c
+++ b/src/game/lv.c
@@ -1114,17 +1114,10 @@ Gfx *lvRender(Gfx *gdl)
 		s32 i;
 		s32 playercount;
 		Gfx *savedgdl;
-#if VERSION >= VERSION_NTSC_1_0
-		bool forcesingleplayer = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-			&& playerHasSharedViewport();
-#else
-		bool forcesingleplayer = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-			&& ((g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE);
-#endif
 		struct player *player;
 		struct chrdata *chr;
 
-		playercount = forcesingleplayer ? 1 : PLAYERCOUNT();
+		playercount = PLAYERCOUNT();
 
 		gSPClipRatio(gdl++, FRUSTRATIO_2);
 
@@ -1134,11 +1127,7 @@ Gfx *lvRender(Gfx *gdl)
 
 			savedgdl = gdl;
 
-			if (forcesingleplayer) {
-				setCurrentPlayerNum(0);
-				g_Vars.currentplayerindex = 0;
-				islastplayer = true;
-			} else {
+			{
 				s32 nextplayernum = i + 1;
 				setCurrentPlayerNum(playermgrGetPlayerAtOrder(i));
 				islastplayer = playercount == nextplayernum;
@@ -1225,10 +1214,7 @@ Gfx *lvRender(Gfx *gdl)
 				handsTickAttack();
 
 				// Calculate lookingatprop
-				if (PLAYERCOUNT() == 1
-						|| g_Vars.coopplayernum >= 0
-						|| g_Vars.antiplayernum >= 0
-						|| (weaponHasFlag(bgunGetWeaponNum(HAND_RIGHT), WEAPONFLAG_AIMTRACK) && bmoveIsInSightAimMode())) {
+				if (bmoveIsInSightAimMode() && (PLAYERCOUNT() == 1 || weaponHasFlag(bgunGetWeaponNum(HAND_RIGHT), WEAPONFLAG_AIMTRACK))) {
 					g_Vars.currentplayer->lookingatprop.prop = func0f061d54(HAND_RIGHT, 0, 0);
 
 					if (g_Vars.currentplayer->lookingatprop.prop) {
@@ -1530,16 +1516,6 @@ Gfx *lvRender(Gfx *gdl)
 					playerStartNewLife();
 				}
 			}
-
-			if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-#if VERSION >= VERSION_NTSC_1_0
-					&& playerHasSharedViewport()
-#else
-					&& ((g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE)
-#endif
-					&& g_Vars.currentplayernum != 0) {
-				gdl = savedgdl;
-			}
 		} // end of player loop
 	} // end of stage if-statements
 
@@ -1593,172 +1569,29 @@ u32 var800840bc = 0;
 
 void lvUpdateSoloHandicaps(void)
 {
-	if (g_Vars.antiplayernum >= 0) {
-		if (g_Difficulty == DIFF_A) {
-			g_CctvWaitScale = 2;
-			g_CctvDamageRxScale = 2;
-			g_AutogunAccuracyScale = 0.5f;
-			g_AutogunDamageTxScale = 0.5f;
-			g_AutogunDamageRxScale = 2;
-			g_EnemyAccuracyScale = 0.5f;
-			g_PlayerDamageRxScale = 0.35f;
-			g_PlayerDamageTxScale = 4;
-			g_ExplosionDamageTxScale = 0.25f;
-			g_AutoAimScale = 1.5f;
-			g_AmmoQuantityScale = 3;
-			g_AttackWalkDurationScale = 0.2f;
-		} else if (g_Difficulty == DIFF_SA) {
-			g_CctvWaitScale = 2;
-			g_CctvDamageRxScale = 1.5f;
-			g_AutogunAccuracyScale = 0.5f;
-			g_AutogunDamageTxScale = 0.5f;
-			g_AutogunDamageRxScale = 1.5f;
-			g_EnemyAccuracyScale = 0.6f;
-			g_PlayerDamageRxScale = 0.5f;
-			g_PlayerDamageTxScale = 3;
-			g_ExplosionDamageTxScale = 0.25f;
-			g_AutoAimScale = 1.1f;
-			g_AmmoQuantityScale = 2.5f;
-			g_AttackWalkDurationScale = 0.5f;
-		} else {
-			g_CctvWaitScale = 2;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 0.5f;
-			g_AutogunDamageTxScale = 0.5f;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 0.7f;
-			g_PlayerDamageRxScale = 0.65f;
-			g_PlayerDamageTxScale = 2;
-			g_ExplosionDamageTxScale = 0.25f;
-			g_AutoAimScale = 0.75f;
-			g_AmmoQuantityScale = 2;
-			g_AttackWalkDurationScale = 1;
-		}
-	} else if (g_Vars.coopplayernum >= 0) {
-		if (g_Difficulty == DIFF_A) {
-			g_CctvWaitScale = 2;
-			g_CctvDamageRxScale = 2;
-			g_AutogunAccuracyScale = 0.5f;
-			g_AutogunDamageTxScale = 0.5f;
-			g_AutogunDamageRxScale = 2;
-			g_EnemyAccuracyScale = 0.6f;
-			g_PlayerDamageRxScale = 0.5f;
-			g_PlayerDamageTxScale = 2;
-			g_ExplosionDamageTxScale = 0.25f;
-			g_AutoAimScale = 1.5f;
-			g_AmmoQuantityScale = 2;
-			g_AttackWalkDurationScale = 0.2f;
-		} else if (g_Difficulty == DIFF_SA) {
-			g_CctvWaitScale = 1;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 0.75f;
-			g_AutogunDamageTxScale = 1;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 0.75f;
-			g_PlayerDamageRxScale = 1;
-			g_PlayerDamageTxScale = 1;
-			g_ExplosionDamageTxScale = 1;
-#if VERSION >= VERSION_JPN_FINAL
-			g_AutoAimScale = 0.75f;
-#else
-			g_AutoAimScale = g_Jpn ? 1.1f : 0.75f;
-#endif
-			g_AmmoQuantityScale = 1.5f;
-			g_AttackWalkDurationScale = 0.5f;
-		} else {
-			g_CctvWaitScale = 1;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 1;
-			g_AutogunDamageTxScale = 1.5f;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 1.5f;
-			g_PlayerDamageRxScale = 1.5f;
-			g_PlayerDamageTxScale = 1;
-			g_ExplosionDamageTxScale = 1.5f;
-#if VERSION >= VERSION_JPN_FINAL
-			g_AutoAimScale = 0.2f;
-#else
-			g_AutoAimScale = g_Jpn ? 0.75f : 0.2f;
-#endif
-			g_AmmoQuantityScale = 1;
-			g_AttackWalkDurationScale = 1;
-		}
-	} else {
-		if (g_Difficulty == DIFF_A) {
-			f32 totalhealth;
-			f32 frac = 1;
+	f32 totalhealth;
+	f32 frac = 1;
 
-			if (g_Vars.coopplayernum < 0 && g_Vars.antiplayernum < 0) {
-				totalhealth = playerGetHealthFrac() + playerGetShieldFrac();
+	totalhealth = playerGetHealthFrac() + playerGetShieldFrac();
 
-				if (totalhealth <= 0.125f) {
-					frac = 0.5f;
-				} else if (totalhealth <= 0.6f) {
-					frac = (totalhealth - 0.125f) * 0.5f / 0.47500002384186f + 0.5f;
-				}
-			}
-
-			g_CctvWaitScale = 2;
-			g_CctvDamageRxScale = 2;
-			g_AutogunAccuracyScale = 0.5f * frac;
-			g_AutogunDamageTxScale = 0.5f * frac;
-			g_AutogunDamageRxScale = 2;
-			g_EnemyAccuracyScale = 0.6f;
-			g_PlayerDamageRxScale = 0.5f * frac;
-			g_PlayerDamageTxScale = 2;
-			g_ExplosionDamageTxScale = 0.25f * frac;
-			g_AutoAimScale = 1.5f;
-			g_AmmoQuantityScale = 2;
-			g_AttackWalkDurationScale = 0.2f;
-		} else if (g_Difficulty == DIFF_SA) {
-			g_CctvWaitScale = 1;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 0.75f;
-			g_AutogunDamageTxScale = 0.75f;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 0.8f;
-			g_PlayerDamageRxScale = 0.6f;
-			g_PlayerDamageTxScale = 1;
-			g_ExplosionDamageTxScale = 0.75f;
-#if VERSION >= VERSION_JPN_FINAL
-			g_AutoAimScale = 0.75f;
-#else
-			g_AutoAimScale = g_Jpn ? 1.1f : 0.75f;
-#endif
-			g_AmmoQuantityScale = 1.5f;
-			g_AttackWalkDurationScale = 0.5f;
-		} else if (g_Difficulty == DIFF_PA) {
-			g_CctvWaitScale = 1;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 1;
-			g_AutogunDamageTxScale = 1;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 1.175f;
-			g_PlayerDamageRxScale = 1;
-			g_PlayerDamageTxScale = 1;
-			g_ExplosionDamageTxScale = 1;
-#if VERSION >= VERSION_JPN_FINAL
-			g_AutoAimScale = 0.2f;
-#else
-			g_AutoAimScale = g_Jpn ? 0.75f : 0.2f;
-#endif
-			g_AmmoQuantityScale = 1;
-			g_AttackWalkDurationScale = 1;
-		} else if (g_Difficulty == DIFF_PD) {
-			g_CctvWaitScale = 1;
-			g_CctvDamageRxScale = 1;
-			g_AutogunAccuracyScale = 1;
-			g_AutogunDamageTxScale = 1;
-			g_AutogunDamageRxScale = 1;
-			g_EnemyAccuracyScale = 1.1f;
-			g_PlayerDamageRxScale = 1;
-			g_PlayerDamageTxScale = 1;
-			g_ExplosionDamageTxScale = 1;
-			g_AutoAimScale = 1;
-			g_AmmoQuantityScale = 1;
-			g_AttackWalkDurationScale = 1;
-		}
+	if (totalhealth <= 0.125f) {
+		frac = 0.5f;
+	} else if (totalhealth <= 0.6f) {
+		frac = (totalhealth - 0.125f) * 0.5f / 0.47500002384186f + 0.5f;
 	}
+
+	g_CctvWaitScale = 2;
+	g_CctvDamageRxScale = 2;
+	g_AutogunAccuracyScale = 0.5f * frac;
+	g_AutogunDamageTxScale = 0.5f * frac;
+	g_AutogunDamageRxScale = 2;
+	g_EnemyAccuracyScale = 0.6f;
+	g_PlayerDamageRxScale = 0.5f * frac;
+	g_PlayerDamageTxScale = 2;
+	g_ExplosionDamageTxScale = 0.25f * frac;
+	g_AutoAimScale = 1.5f;
+	g_AmmoQuantityScale = 2;
+	g_AttackWalkDurationScale = 0.2f;
 }
 
 #if PIRACYCHECKS
diff --git a/src/game/mainmenu.c b/src/game/mainmenu.c
index 0fbc7a3c6..0848ebb41 100644
--- a/src/game/mainmenu.c
+++ b/src/game/mainmenu.c
@@ -53,10 +53,6 @@ s32 menuhandlerControlStyleImpl(s32 operation, struct menuitem *item, union hand
 		L_OPTIONS_238, // "Double"
 	};
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpindex = g_Vars.currentplayerstats->mpindex;
-	}
-
 	switch (operation) {
 	case MENUOP_GETOPTIONCOUNT:
 		data->list.value = 8;
@@ -103,11 +99,7 @@ s32 menuhandlerReversePitch(s32 operation, struct menuitem *item, union handlerd
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -122,8 +114,7 @@ s32 menuhandlerReversePitch(s32 operation, struct menuitem *item, union handlerd
 
 s32 menuhandlerAimControl(s32 operation, struct menuitem *item, union handlerdata *data)
 {
-	u32 playernum = (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-		? g_Vars.currentplayerstats->mpindex : item->param3;
+	u32 playernum = item->param3;
 
 #if VERSION >= VERSION_PAL_FINAL
 	s32 index = 0;
@@ -315,11 +306,7 @@ s32 menuhandlerLookAhead(s32 operation, struct menuitem *item, union handlerdata
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -336,11 +323,7 @@ s32 menuhandlerHeadRoll(s32 operation, struct menuitem *item, union handlerdata
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -404,11 +387,6 @@ s32 menuhandlerHiRes(s32 operation, struct menuitem *item, union handlerdata *da
 		if (IS4MB()) {
 			return true;
 		}
-		if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-			if (PLAYERCOUNT() >= 2) {
-				return true;
-			}
-		}
 		break;
 	case MENUOP_GET:
 		return g_HiResEnabled == true;
@@ -424,11 +402,7 @@ s32 menuhandlerAmmoOnScreen(s32 operation, struct menuitem *item, union handlerd
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -445,11 +419,7 @@ s32 menuhandlerShowGunFunction(s32 operation, struct menuitem *item, union handl
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_CHECKDISABLED:
@@ -471,11 +441,7 @@ s32 menuhandlerShowMissionTime(s32 operation, struct menuitem *item, union handl
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -492,11 +458,7 @@ s32 menuhandlerAlwaysShowTarget(s32 operation, struct menuitem *item, union hand
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_CHECKDISABLED:
@@ -518,11 +480,7 @@ s32 menuhandlerShowZoomRange(s32 operation, struct menuitem *item, union handler
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_CHECKDISABLED:
@@ -544,11 +502,7 @@ s32 menuhandlerPaintball(s32 operation, struct menuitem *item, union handlerdata
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -565,11 +519,7 @@ s32 menuhandlerSightOnScreen(s32 operation, struct menuitem *item, union handler
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -586,11 +536,7 @@ s32 menuhandlerAutoAim(s32 operation, struct menuitem *item, union handlerdata *
 {
 	u32 mpchrnum;
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mpchrnum = g_Vars.currentplayerstats->mpindex;
-	} else {
-		mpchrnum = item->param3;
-	}
+	mpchrnum = item->param3;
 
 	switch (operation) {
 	case MENUOP_GET:
@@ -662,7 +608,7 @@ s32 menudialog0010559c(s32 operation, struct menudialogdef *dialogdef, union han
 	case MENUOP_OPEN:
 		break;
 	case MENUOP_CLOSE:
-		if ((g_Vars.modifiedfiles & MODFILE_GAME) && g_Vars.coopplayernum < 0 && g_Vars.antiplayernum < 0) {
+		if (g_Vars.modifiedfiles & MODFILE_GAME) {
 			if (filemgrSaveOrLoad(&g_GameFileGuid, FILEOP_SAVE_GAME_001, 0) == 0) {
 				data->dialog1.preventclose = true;
 			}
diff --git a/src/game/menu.c b/src/game/menu.c
index 3e3e03824..660ab860e 100644
--- a/src/game/menu.c
+++ b/src/game/menu.c
@@ -4128,14 +4128,6 @@ Gfx *dialogRender(Gfx *gdl, struct menudialog *dialog, struct menu *menu, bool l
 	bgx2 = dialog->x + dialog->width;
 	bgy2 = dialog->y + dialog->height;
 
-#if VERSION >= VERSION_NTSC_1_0
-	if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-			&& menuGetRoot() == MENUROOT_MPENDSCREEN
-			&& !var8009dfc0) {
-		return gdl;
-	}
-#endif
-
 	colour1 = MIXCOLOUR(dialog, unk28);
 
 	text0f156030(colour1);
@@ -4162,13 +4154,6 @@ Gfx *dialogRender(Gfx *gdl, struct menudialog *dialog, struct menu *menu, bool l
 #endif
 
 		sp170 = 1.0f - g_MenuData.unk010;
-
-#if VERSION >= VERSION_NTSC_1_0
-		if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && menuGetRoot() == MENUROOT_MPENDSCREEN) {
-			sp170 = 1.0f - dialog->statefrac;
-		}
-#endif
-
 		sp170 = 1.0f - sp170 * sp170;
 		dialogheight *= sp170;
 		bgy2 = dialog->y + dialogheight;
@@ -5950,19 +5935,9 @@ void menuReset(void)
 
 	g_MenuData.unk01c.unk004 = NULL;
 
-	if (g_Vars.stagenum == STAGE_CITRAINING) {
-		g_MissionConfig.iscoop = false;
-		g_MissionConfig.isanti = false;
-		g_MissionConfig.pdmode = false;
-	}
-
 	if (!g_Vars.mplayerisrunning) {
 		s32 max = 0;
 
-		if (g_Vars.stagenum == STAGE_CITRAINING) {
-			max = 4;
-		}
-
 		if (g_Vars.stagenum == STAGE_4MBMENU) {
 			max = 4;
 		}
@@ -6282,20 +6257,6 @@ void dialogTick(struct menudialog *dialog, struct menuinputs *inputs, u32 tickfl
 				dialog->redrawtimer = 0.0f;
 				dialog->statefrac = 0.5f;
 			}
-		} else if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && menuGetRoot() == MENUROOT_MPENDSCREEN) {
-			if (var8009dfc0) {
-#if VERSION >= VERSION_PAL_BETA
-				dialog->statefrac += g_Vars.diffframe240freal / 60.0f;
-#else
-				dialog->statefrac += g_Vars.diffframe240 / 60.0f;
-#endif
-
-				if (dialog->statefrac > 1.0f) {
-					dialog->state = MENUDIALOGSTATE_OPENING;
-					dialog->redrawtimer = 0.0f;
-					dialog->statefrac = 0.5f;
-				}
-			}
 		} else {
 			if (g_MenuData.nextbg == 255 || g_MenuData.bg != 0) {
 				dialog->state = MENUDIALOGSTATE_OPENING;
@@ -9042,12 +9003,6 @@ u32 func0f0fd118(u32 playernum)
 		if (g_MpSetup.chrslots & (1 << playernum)) {
 			result = playernum;
 		}
-	} else {
-		if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-				&& PLAYERCOUNT() >= 2
-				&& playernum == 1) {
-			result = 1;
-		}
 	}
 
 	return result;
diff --git a/src/game/menutick.c b/src/game/menutick.c
index 6636742f2..b9b249b07 100644
--- a/src/game/menutick.c
+++ b/src/game/menutick.c
@@ -541,19 +541,7 @@ void menuTick(void)
 			case MENUROOT_MPPAUSE:
 				break;
 			case MENUROOT_MPENDSCREEN:
-				if (g_Vars.normmplayerisrunning) {
-					var80087260 = 3;
-				} else if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-					struct mpplayerconfig tmp;
-
-					tmp = g_PlayerConfigsArray[4];
-					g_PlayerConfigsArray[4] = g_PlayerConfigsArray[0];
-					g_PlayerConfigsArray[0] = tmp;
-
-					tmp = g_PlayerConfigsArray[5];
-					g_PlayerConfigsArray[5] = g_PlayerConfigsArray[1];
-					g_PlayerConfigsArray[1] = tmp;
-				}
+				var80087260 = 3;
 
 				if (g_Vars.restartlevel) {
 					mainChangeToStage(mainGetStageNum());
@@ -573,19 +561,6 @@ void menuTick(void)
 					mainChangeToStage(STAGE_4MBMENU);
 				}
 				break;
-			case MENUROOT_COOPCONTINUE:
-				if (g_Vars.coopplayernum >= 0) {
-					mpSetPaused(MPPAUSEMODE_UNPAUSED);
-					g_Vars.mplayerisrunning = false;
-					g_Vars.normmplayerisrunning = false;
-					g_Vars.lvmpbotlevel = 0;
-					titleSetNextStage(STAGE_CITRAINING);
-					setNumPlayers(1);
-					titleSetNextMode(TITLEMODE_SKIP);
-					mainChangeToStage(STAGE_CITRAINING);
-					g_MissionConfig.iscoop = false;
-				}
-				break;
 			}
 		}
 	}
@@ -655,12 +630,6 @@ void menuTick(void)
 			}
 
 			g_Vars.players[i]->devicesinhibit = 0;
-
-			if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-					&& PLAYERCOUNT() >= 2
-					&& g_Menus[mpindex].curdialog) {
-				g_Vars.players[i]->devicesinhibit = 0;
-			}
 		}
 	}
 
diff --git a/src/game/mplayer/mplayer.c b/src/game/mplayer/mplayer.c
index 144d72701..d3c039faa 100644
--- a/src/game/mplayer/mplayer.c
+++ b/src/game/mplayer/mplayer.c
@@ -179,12 +179,7 @@ void mpReset(void)
 
 	g_MpNumChrs = 0;
 	g_Vars.mplayerisrunning = true;
-
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		g_Vars.normmplayerisrunning = false;
-	} else {
-		g_Vars.normmplayerisrunning = true;
-	}
+	g_Vars.normmplayerisrunning = true;
 
 	g_Vars.perfectbuddynum = 0;
 
@@ -192,59 +187,19 @@ void mpReset(void)
 		g_Vars.lvmpbotlevel = true;
 	}
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		struct mpplayerconfig tmp;
+	for (i = 0; i < 4; i++) {
+		if (g_MpSetup.chrslots & (1 << i)) {
+			g_Vars.playerstats[mpindex].mpindex = i;
 
-		tmp = g_PlayerConfigsArray[4];
-		g_PlayerConfigsArray[4] = g_PlayerConfigsArray[0];
-		g_PlayerConfigsArray[0] = tmp;
+			g_PlayerConfigsArray[i].contpad1 = i;
+			g_PlayerConfigsArray[i].contpad2 = 0;
 
-		tmp = g_PlayerConfigsArray[5];
-		g_PlayerConfigsArray[5] = g_PlayerConfigsArray[1];
-		g_PlayerConfigsArray[1] = tmp;
-
-		// Player index 0
-		g_Vars.playerstats[0].mpindex = 0;
-
-		g_PlayerConfigsArray[0].contpad1 = 0;
-		g_PlayerConfigsArray[0].contpad2 = 2;
-
-		if ((g_Vars.coopplayernum >= 0 && g_Vars.coopradaron)
-				|| (g_Vars.antiplayernum >= 0 && g_Vars.antiradaron)) {
-			g_PlayerConfigsArray[0].base.displayoptions |= MPDISPLAYOPTION_RADAR;
-		} else {
-			g_PlayerConfigsArray[0].base.displayoptions &= ~MPDISPLAYOPTION_RADAR;
-		}
-
-		// Player index 1
-		g_Vars.playerstats[1].mpindexu32 = 1;
-
-		g_PlayerConfigsArray[1].contpad1 = 1;
-		g_PlayerConfigsArray[1].contpad2 = 3;
-
-		if ((g_Vars.coopplayernum >= 0 && g_Vars.coopradaron)
-				|| (g_Vars.antiplayernum >= 0 && g_Vars.antiradaron)) {
-			g_PlayerConfigsArray[1].base.displayoptions |= MPDISPLAYOPTION_RADAR;
-		} else {
-			g_PlayerConfigsArray[1].base.displayoptions &= ~MPDISPLAYOPTION_RADAR;
-		}
-
-		g_MpNumChrs = 2;
-	} else {
-		for (i = 0; i < 4; i++) {
-			if (g_MpSetup.chrslots & (1 << i)) {
-				g_Vars.playerstats[mpindex].mpindex = i;
-
-				g_PlayerConfigsArray[i].contpad1 = i;
-				g_PlayerConfigsArray[i].contpad2 = 0;
-
-				mpCalculatePlayerTitle(&g_PlayerConfigsArray[i]);
+			mpCalculatePlayerTitle(&g_PlayerConfigsArray[i]);
 
 
-				g_PlayerConfigsArray[i].newtitle = g_PlayerConfigsArray[i].title;
-				g_MpNumChrs++;
-				mpindex++;
-			}
+			g_PlayerConfigsArray[i].newtitle = g_PlayerConfigsArray[i].title;
+			g_MpNumChrs++;
+			mpindex++;
 		}
 	}
 
@@ -1258,8 +1213,6 @@ Gfx *mpRenderModalText(Gfx *gdl)
 			&& g_Vars.currentplayer->isdead
 			&& g_Vars.currentplayer->redbloodfinished
 			&& g_Vars.currentplayer->deathanimfinished
-			&& !(g_Vars.coopplayernum >= 0 && ((g_Vars.bond->isdead && g_Vars.coop->isdead) || !g_Vars.currentplayer->coopcanrestart || g_InCutscene))
-			&& !(g_Vars.antiplayernum >= 0 && ((g_Vars.currentplayer != g_Vars.anti || g_InCutscene)))
 			&& g_NumReasonsToEndMpMatch == 0) {
 		// Render "Press START" text
 		gdl = text0f153628(gdl);
diff --git a/src/game/player.c b/src/game/player.c
index 3469c7323..133bc2cb4 100644
--- a/src/game/player.c
+++ b/src/game/player.c
@@ -488,7 +488,7 @@ void playerStartNewLife(void)
 
 	g_Vars.currentplayer->dostartnewlife = false;
 
-	if (g_Vars.coopplayernum < 0) {
+	{
 		struct prop *prop = g_Vars.currentplayer->prop->child;
 
 		while (prop) {
@@ -545,36 +545,10 @@ void playerStartNewLife(void)
 	playerSetCamPropertiesWithRoom(&pos, &g_Vars.currentplayer->bond2.unk28,
 			&g_Vars.currentplayer->bond2.unk1c, rooms[0]);
 
-	if (g_Vars.coopplayernum >= 0) {
-		u32 stack;
-		bool ammotypesheld[33];
-		s32 stack2[2];
+	invClear();
 
-		for (i = 0; i != ARRAYCOUNT(ammotypesheld); i++) {
-			ammotypesheld[i] = false;
-		}
-
-		for (i = 1; i != ARRAYCOUNT(g_Weapons); i++) {
-			if (invHasSingleWeaponOrProp(i)) {
-				s32 ammotype = bgunGetAmmoTypeForWeapon(i, FUNC_PRIMARY);
-
-				if (ammotype >= 0 && ammotype <= AMMOTYPE_ECM_MINE) {
-					ammotypesheld[ammotype] = true;
-				}
-			}
-		}
-
-		for (i = 0; i != ARRAYCOUNT(ammotypesheld); i++) {
-			if (ammotypesheld[i] == false) {
-				g_Vars.currentplayer->ammoheldarr[i] = 0;
-			}
-		}
-	} else {
-		invClear();
-
-		for (i = 0; i < ARRAYCOUNT(g_Vars.currentplayer->ammoheldarr); i++) {
-			g_Vars.currentplayer->ammoheldarr[i] = 0;
-		}
+	for (i = 0; i < ARRAYCOUNT(g_Vars.currentplayer->ammoheldarr); i++) {
+		g_Vars.currentplayer->ammoheldarr[i] = 0;
 	}
 
 	invGiveSingleWeapon(WEAPON_UNARMED);
@@ -587,63 +561,53 @@ void playerStartNewLife(void)
 		if (cmd);
 		if (cmd);
 
-		if (g_Vars.antiplayernum < 0 || g_Vars.currentplayer != g_Vars.anti) {
-			while (cmd[0] != INTROCMD_END) {
-				switch (cmd[0]) {
-				case INTROCMD_SPAWN:
-					cmd += 3;
-					break;
-				case INTROCMD_CASE:
-				case INTROCMD_CASERESPAWN:
-					cmd += 3;
-					break;
-				case INTROCMD_HILL:
-					cmd += 2;
-					break;
-				case INTROCMD_WEAPON:
-					if (cmd[3] == 0) {
-						if (cmd[2] >= 0) {
-							invGiveDoubleWeapon(cmd[1], cmd[2]);
-						} else {
-							invGiveSingleWeapon(cmd[1]);
-						}
+		while (cmd[0] != INTROCMD_END) {
+			switch (cmd[0]) {
+			case INTROCMD_SPAWN:
+				cmd += 3;
+				break;
+			case INTROCMD_CASE:
+			case INTROCMD_CASERESPAWN:
+				cmd += 3;
+				break;
+			case INTROCMD_HILL:
+				cmd += 2;
+				break;
+			case INTROCMD_WEAPON:
+				if (cmd[3] == 0) {
+					if (cmd[2] >= 0) {
+						invGiveDoubleWeapon(cmd[1], cmd[2]);
+					} else {
+						invGiveSingleWeapon(cmd[1]);
 					}
-					cmd += 4;
-					break;
-				case INTROCMD_AMMO:
-					if (cmd[3] == 0) {
-						bgunSetAmmoQuantity(cmd[1], cmd[2]);
-					}
-					cmd += 4;
-					break;
-				case INTROCMD_3:
-					cmd += 8;
-					break;
-				case INTROCMD_4:
-					cmd += 2;
-					break;
-				case INTROCMD_OUTFIT:
-					cmd += 2;
-					break;
-				case INTROCMD_6:
-					cmd += 10;
-					break;
-				default:
-					cmd++;
-					break;
 				}
+				cmd += 4;
+				break;
+			case INTROCMD_AMMO:
+				if (cmd[3] == 0) {
+					bgunSetAmmoQuantity(cmd[1], cmd[2]);
+				}
+				cmd += 4;
+				break;
+			case INTROCMD_3:
+				cmd += 8;
+				break;
+			case INTROCMD_4:
+				cmd += 2;
+				break;
+			case INTROCMD_OUTFIT:
+				cmd += 2;
+				break;
+			case INTROCMD_6:
+				cmd += 10;
+				break;
+			default:
+				cmd++;
+				break;
 			}
 		}
 	}
 
-	if (g_Vars.coopplayernum >= 0 && g_Vars.currentplayer->stealhealth > 0) {
-		g_Vars.currentplayer->bondhealth = g_Vars.currentplayer->stealhealth;
-		g_Vars.currentplayer->oldhealth = 0;
-		g_Vars.currentplayer->oldarmour = 0;
-		g_Vars.currentplayer->apparenthealth = 0;
-		g_Vars.currentplayer->apparentarmour = 0;
-	}
-
 	bmoveUpdateRooms(g_Vars.currentplayer);
 	playerSpawn();
 
@@ -802,123 +766,6 @@ void playerLoadDefaults(void)
 	g_Vars.currentplayer->unk1c3c = 0;
 }
 
-bool playerSpawnAnti(struct chrdata *hostchr, bool force)
-{
-	struct prop *hostprop;
-	union modelrwdata *chrrootrwdata;
-	struct chrdata *playerchr = g_Vars.currentplayer->prop->chr;
-	union modelrwdata *playerrootrwdata;
-
-	hostprop = hostchr->prop;
-
-	hostchr->chrflags |= CHRCFLAG_PERIMDISABLEDTMP;
-	playerchr->hidden |= CHRHFLAG_00100000;
-	playerchr->radius = hostchr->radius;
-
-	if (chrMoveToPos(playerchr, &hostchr->prop->pos, hostchr->prop->rooms, chrGetInverseTheta(hostchr), false) || force) {
-		if (hostchr->weapons_held[0] && hostchr->weapons_held[1]) {
-			// Dual wielding
-			struct weaponobj *weapon1 = hostchr->weapons_held[0]->weapon;
-			struct weaponobj *weapon2 = hostchr->weapons_held[1]->weapon;
-
-#if VERSION >= VERSION_NTSC_1_0
-			invGiveSingleWeapon(weapon1->weaponnum);
-			invGiveDoubleWeapon(weapon1->weaponnum, weapon1->weaponnum);
-			bgunEquipWeapon2(HAND_RIGHT, weapon1->weaponnum);
-			bgunEquipWeapon2(HAND_LEFT, weapon1->weaponnum);
-#else
-			invGiveDoubleWeapon(weapon1->weaponnum, weapon2->weaponnum);
-			bgunEquipWeapon2(HAND_RIGHT, weapon1->weaponnum);
-			bgunEquipWeapon2(HAND_LEFT, weapon2->weaponnum);
-#endif
-		} else if (hostchr->weapons_held[0]) {
-			// Right hand only
-			struct weaponobj *weapon = hostchr->weapons_held[0]->weapon;
-
-			if (weapon->weaponnum == WEAPON_SUPERDRAGON) {
-				invGiveSingleWeapon(WEAPON_DRAGON);
-				bgunEquipWeapon2(HAND_RIGHT, WEAPON_DRAGON);
-			} else {
-				invGiveSingleWeapon(weapon->weaponnum);
-				bgunEquipWeapon2(HAND_RIGHT, weapon->weaponnum);
-			}
-		} else if (hostchr->weapons_held[1]) {
-			// Left hand only
-			struct weaponobj *weapon = hostchr->weapons_held[1]->weapon;
-
-			if (weapon->weaponnum == WEAPON_SUPERDRAGON) {
-				invGiveSingleWeapon(WEAPON_DRAGON);
-				bgunEquipWeapon2(HAND_RIGHT, WEAPON_DRAGON);
-			} else {
-				invGiveSingleWeapon(weapon->weaponnum);
-				bgunEquipWeapon2(HAND_RIGHT, weapon->weaponnum);
-			}
-		} else {
-			// Unarmed
-			invGiveSingleWeapon(WEAPON_UNARMED);
-			bgunEquipWeapon2(HAND_RIGHT, WEAPON_UNARMED);
-		}
-
-		g_Vars.currentplayer->invdowntime = TICKS(-40);
-		g_Vars.currentplayer->usedowntime = TICKS(-40);
-
-		bgunGiveMaxAmmo(true);
-
-		g_Vars.currentplayer->bondhealth = (chrGetMaxDamage(hostchr) - hostchr->damage) * 0.125f;
-
-		if (g_Vars.currentplayer->bondhealth > 1) {
-			g_Vars.currentplayer->bondhealth = 1;
-		}
-
-		chrSetShield(playerchr, chrGetShield(hostchr));
-
-		g_Vars.currentplayer->haschrbody = false;
-		g_Vars.currentplayer->model00d4 = NULL;
-
-		chrRemove(g_Vars.currentplayer->prop, false);
-
-		if (hostchr->bodynum == BODY_SKEDAR) {
-			g_Vars.antiheadnum = HEAD_MRBLONDE;
-			g_Vars.antibodynum = BODY_MRBLONDE;
-		} else {
-			g_Vars.antiheadnum = hostchr->headnum;
-			g_Vars.antibodynum = hostchr->bodynum;
-		}
-
-		playerTickChrBody();
-		modelCopyAnimData(hostchr->model, playerchr->model);
-		func0f02e9a0(playerchr, 12);
-
-		chrrootrwdata = modelGetNodeRwData(hostchr->model, hostchr->model->filedata->rootnode);
-		playerrootrwdata = modelGetNodeRwData(playerchr->model, playerchr->model->filedata->rootnode);
-
-		playerrootrwdata->chrinfo = chrrootrwdata->chrinfo;
-
-		if (playerrootrwdata->chrinfo.unk34.y < 10) {
-			playerrootrwdata->chrinfo.unk34.y = 10;
-		}
-
-		if (playerrootrwdata->chrinfo.unk24.y < 10) {
-			playerrootrwdata->chrinfo.unk24.y = 10;
-		}
-
-		playerchr->radius = hostchr->radius;
-		g_Vars.currentplayer->bond2.radius = hostchr->radius;
-
-		chrRemove(hostprop, true);
-		propDeregisterRooms(hostprop);
-		propDelist(hostprop);
-		propDisable(hostprop);
-		propFree(hostprop);
-
-		return true;
-	}
-
-	hostchr->chrflags &= ~CHRCFLAG_PERIMDISABLEDTMP;
-
-	return false;
-}
-
 void playerSpawn(void)
 {
 	f32 xdiff;
@@ -949,145 +796,11 @@ void playerSpawn(void)
 	invGiveSingleWeapon(WEAPON_UNARMED);
 	playerSetShieldFrac(0);
 
-	if (g_Vars.mplayerisrunning) {
-		if (g_Vars.antiplayernum >= 0 && g_Vars.currentplayer == g_Vars.anti) {
-			numsqdists = 0;
-			force = false;
+	bgunEquipWeapon2(HAND_LEFT, g_DefaultWeapons[HAND_LEFT]);
+	bgunEquipWeapon2(HAND_RIGHT, g_DefaultWeapons[HAND_RIGHT]);
 
-			invGiveSingleWeapon(WEAPON_SUICIDEPILL);
-			bgunEquipWeapon2(HAND_LEFT, WEAPON_NONE);
-			bgunEquipWeapon2(HAND_RIGHT, WEAPON_UNARMED);
-
-			if (g_Vars.lvframenum > 0) {
-				s32 prevplayernum = g_Vars.currentplayernum;
-				setCurrentPlayerNum(g_Vars.bondplayernum);
-				bgun0f0a0c08(&sp84, &sp9c);
-				mtx4RotateVec(camGetProjectionMtxF(), &sp9c, &sp90);
-				mtx4TransformVec(camGetProjectionMtxF(), &sp84, &sp78);
-				setCurrentPlayerNum(prevplayernum);
-			}
-
-			if (g_Vars.currentplayer->model00d4 == NULL) {
-				playerTickChrBody();
-			}
-
-			for (i = 0; i < chrsGetNumSlots(); i++) {
-				if (g_ChrSlots[i].model
-						&& g_ChrSlots[i].prop
-						&& (g_ChrSlots[i].hidden & CHRHFLAG_00400000)
-						&& (g_ChrSlots[i].chrflags & CHRCFLAG_HIDDEN) == 0
-						&& g_ChrSlots[i].prop->type == PROPTYPE_CHR
-						&& !chrIsDead(&g_ChrSlots[i])
-						&& (g_ChrSlots[i].prop->flags & PROPFLAG_ENABLED)) {
-					if (g_Vars.bond->prop) {
-						xdiff = g_ChrSlots[i].prop->pos.x - g_Vars.bond->prop->pos.x;
-						ydiff = g_ChrSlots[i].prop->pos.y - g_Vars.bond->prop->pos.y;
-						zdiff = g_ChrSlots[i].prop->pos.z - g_Vars.bond->prop->pos.z;
-					} else {
-						xdiff = g_ChrSlots[i].prop->pos.x - g_Vars.currentplayer->prop->pos.x;
-						ydiff = g_ChrSlots[i].prop->pos.y - g_Vars.currentplayer->prop->pos.y;
-						zdiff = g_ChrSlots[i].prop->pos.z - g_Vars.currentplayer->prop->pos.z;
-					}
-
-					sqdist = xdiff * xdiff + ydiff * ydiff + zdiff * zdiff;
-
-					if (g_Vars.lvframenum > 0
-							&& (g_ChrSlots[i].hidden & CHRHFLAG_00800000)
-							&& func0f06b39c(&sp78, &sp90, &g_ChrSlots[i].prop->pos, model0001af80(g_ChrSlots[i].model))
-							&& (random() % 8)) {
-						sqdist += 1000000;
-					}
-
-					// Insert sqdist to sorteddists, maintaining sort order,
-					// and mirror the changes into the sortedchrs array.
-
-					// Move j to the first sqdist that is further than the new one
-					for (j = 0; j < numsqdists; j++) {
-						if (sqdist < sorteddists[j]) {
-							break;
-						}
-					}
-
-					if (j < 10) {
-						// Move the higher sorteddists forward, removing the highest item
-						for (k = numsqdists; k > j; k--) {
-							if (k < 10) {
-								sortedchrs[k] = sortedchrs[k - 1];
-								sorteddists[k] = sorteddists[k - 1];
-							}
-						}
-
-						// Write new sqdist
-						sortedchrs[j] = &g_ChrSlots[i];
-						sorteddists[j] = sqdist;
-
-						if (numsqdists < 9) {
-							numsqdists++;
-						}
-					}
-				}
-			}
-
-			// Randomly swap some of the earlier elements so the player
-			// doesn't always spawn into the closest
-			if (numsqdists > 1 && (random() % 2) == 0) {
-				tmpchr = sortedchrs[0];
-				sqdist = sorteddists[0];
-				sortedchrs[0] = sortedchrs[1];
-				sorteddists[0] = sorteddists[1];
-				sortedchrs[1] = tmpchr;
-				sorteddists[1] = sqdist;
-			}
-
-			if (numsqdists > 2 && (random() % 4) == 0) {
-				tmpchr = sortedchrs[0];
-				sqdist = sorteddists[0];
-				sortedchrs[0] = sortedchrs[2];
-				sorteddists[0] = sorteddists[2];
-				sortedchrs[2] = tmpchr;
-				sorteddists[2] = sqdist;
-			}
-
-			// Iterate sortedchrs in order and try to spawn into any of them.
-			// The spawn may fail if the chr is on-screen, and potentially in
-			// some other conditions such as the chr being too close to a wall.
-			// If no chrs can be spawned into, iterate the list again but this
-			// time allowing the spawn to happen on-screen (force = true).
-			for (i = 0; i < numsqdists; i++) {
-				if (playerSpawnAnti(sortedchrs[i], force)) {
-					break;
-				}
-
-				if (i == numsqdists - 1) {
-					i = 0;
-
-					if (force) {
-						break;
-					}
-
-					force = true;
-				}
-			}
-
-			if (g_Vars.currentplayer->prop->chr) {
-				g_Vars.currentplayer->prop->chr->blurdrugamount = 0;
-				g_Vars.currentplayer->prop->chr->blurnumtimesdied = 0;
-			}
-		} else {
-			bgunEquipWeapon2(HAND_LEFT, g_DefaultWeapons[HAND_LEFT]);
-			bgunEquipWeapon2(HAND_RIGHT, g_DefaultWeapons[HAND_RIGHT]);
-
-#if VERSION >= VERSION_NTSC_1_0
-			if (g_Vars.currentplayer->model00d4 == NULL
-					&& (IS8MB() || g_Vars.fourmeg2player || g_MpAllChrPtrs[g_Vars.currentplayernum] == NULL)) {
-				playerTickChrBody();
-			}
-#else
-			if (g_Vars.currentplayer->model00d4 == NULL) {
-				playerTickChrBody();
-			}
-#endif
-		}
+	if (g_Vars.currentplayer->model00d4 == NULL) {
+		playerTickChrBody();
 	}
 
 	playerUpdatePerimInfo();
@@ -1129,110 +842,17 @@ void playersTickAllChrBodies(void)
 
 void playerChooseBodyAndHead(s32 *bodynum, s32 *headnum, s32 *arg2)
 {
-	s32 outfit;
-	bool solo;
+	if (g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum < mpGetNumHeads2()) {
+		*headnum = mpGetHeadId(g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum);
+	} else {
+		*headnum = g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum - mpGetNumHeads2();
 
-	if (g_Vars.antiplayernum >= 0
-			&& g_Vars.currentplayer == g_Vars.anti
-			&& g_Vars.antiheadnum >= 0
-			&& g_Vars.antibodynum >= 0) {
-		*headnum = g_Vars.antiheadnum;
-		*bodynum = g_Vars.antibodynum;
-		return;
-	}
-
-	if (g_Vars.normmplayerisrunning) {
-		if (g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum < mpGetNumHeads2()) {
-			*headnum = mpGetHeadId(g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum);
-		} else {
-			*headnum = g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpheadnum - mpGetNumHeads2();
-
-			if (arg2) {
-				*arg2 = true;
-			}
-		}
-
-		*bodynum = mpGetBodyId(g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpbodynum);
-		return;
-	}
-
-	outfit = g_Vars.currentplayer->bondtype;
-	solo = !(g_Vars.coopplayernum >= 0) || (g_Vars.currentplayer != g_Vars.coop);
-
-	if (g_Vars.stagenum == STAGE_VILLA && lvGetDifficulty() >= DIFF_PA) {
-		outfit = OUTFIT_NEGOTIATOR;
-	}
-
-	if (g_Vars.currentplayer->disguised) {
-		switch (g_Vars.stagenum) {
-		case STAGE_RESCUE:  outfit = OUTFIT_LAB; break;
-		case STAGE_AIRBASE: outfit = OUTFIT_STEWARDESS; break;
+		if (arg2) {
+			*arg2 = true;
 		}
 	}
 
-	switch (outfit) {
-	default:
-	case OUTFIT_DEFAULT:
-		*bodynum = BODY_DARK_COMBAT;
-		*headnum = solo ? HEAD_DARK_COMBAT : HEAD_VD;
-		break;
-	case OUTFIT_ELVIS:
-		*bodynum = BODY_THEKING;
-		*headnum = solo ? HEAD_ELVIS : HEAD_ELVIS;
-		break;
-	case OUTFIT_TRENT:
-		*bodynum = BODY_TRENT;
-		*headnum = solo ? HEAD_TRENT : HEAD_TRENT;
-		break;
-	case OUTFIT_TRENCH:
-		*bodynum = BODY_DARK_TRENCH;
-		*headnum = solo ? HEAD_DARK_COMBAT : HEAD_VD;
-		break;
-	case OUTFIT_FROCK_RIPPED:
-		*bodynum = BODY_DARK_RIPPED;
-		*headnum = solo ? HEAD_DARK_FROCK : HEAD_VD;
-		break;
-	case OUTFIT_FROCK:
-		*bodynum = BODY_DARK_FROCK;
-		*headnum = solo ? HEAD_DARK_FROCK : HEAD_VD;
-		break;
-	case OUTFIT_LEATHER:
-		*bodynum = BODY_DARK_LEATHER;
-		*headnum = solo ? HEAD_DARK_COMBAT : HEAD_VD;
-		break;
-	case OUTFIT_DEEPSEA:
-		*bodynum = BODY_DARKWET;
-		*headnum = solo ? HEAD_DARK_COMBAT : HEAD_VD;
-		break;
-	case OUTFIT_WETSUIT:
-		*bodynum = BODY_DARKAQUALUNG;
-		*headnum = solo ? HEAD_DARKAQUA : HEAD_VD;
-		break;
-	case OUTFIT_SNOW:
-		*bodynum = BODY_DARKSNOW;
-		*headnum = solo ? HEAD_DARK_SNOW : HEAD_VD;
-		break;
-	case OUTFIT_LAB:
-		*bodynum = BODY_DARKLAB;
-		*headnum = solo ? HEAD_DARK_COMBAT : HEAD_VD;
-		break;
-	case OUTFIT_STEWARDESS:
-		*bodynum = BODY_DARK_AF1;
-		*headnum = solo ? HEAD_DARK_FROCK : HEAD_VD;
-		break;
-	case OUTFIT_NEGOTIATOR:
-		*bodynum = BODY_DARK_NEGOTIATOR;
-		*headnum = solo ? HEAD_DARK_FROCK : HEAD_VD;
-		break;
-	case OUTFIT_MRBLONDE:
-		*bodynum = BODY_MRBLONDE;
-		*headnum = solo ? HEAD_MRBLONDE : HEAD_MRBLONDE;
-		break;
-	case OUTFIT_MAIAN:
-		*bodynum = BODY_ELVIS1;
-		*headnum = solo ? HEAD_MAIAN_S : HEAD_MAIAN_S;
-		break;
-	}
+	*bodynum = mpGetBodyId(g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.mpbodynum);
 }
 
 /**
@@ -1456,15 +1076,6 @@ void playerTickChrBody(void)
 		chr->radius = g_Vars.currentplayer->bond2.radius;
 
 		g_Vars.currentplayer->vv_eyeheight = (s32)g_HeadsAndBodies[bodynum].height;
-
-#if VERSION >= VERSION_NTSC_1_0
-		if (g_Vars.antiplayernum >= 0
-				&& g_Vars.currentplayer == g_Vars.anti
-				&& g_Vars.currentplayer->vv_eyeheight > 159) {
-			g_Vars.currentplayer->vv_eyeheight = 159;
-		}
-#endif
-
 		g_Vars.currentplayer->vv_headheight = g_Vars.currentplayer->vv_eyeheight;
 
 		if (headnum >= 0) {
@@ -2733,54 +2344,31 @@ s16 playerGetFbHeight(void)
 	return height;
 }
 
-#if VERSION >= VERSION_NTSC_1_0
-bool playerHasSharedViewport(void)
-{
-	if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-			&& menuGetRoot() == MENUROOT_MPENDSCREEN
-			&& var8009dfc0 == 0) {
-		return true;
-	}
-
-	return (g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE;
-}
-#endif
-
 s16 playerGetViewportWidth(void)
 {
 	s16 width;
 
-#if VERSION >= VERSION_NTSC_1_0
-	if (!playerHasSharedViewport())
-#else
-	if ((!g_InCutscene || g_MainIsEndscreen) && menuGetRoot() != MENUROOT_COOPCONTINUE)
-#endif
-	{
-		if (PLAYERCOUNT() >= 3) {
-			// 3/4 players
+	if (PLAYERCOUNT() >= 3) {
+		// 3/4 players
+		width = g_ViModes[g_ViRes].width / 2;
+
+		if (g_Vars.currentplayernum == 0 || g_Vars.currentplayernum == 2) {
+			width--;
+		}
+	} else if (PLAYERCOUNT() == 2) {
+		if (optionsGetScreenSplit() == SCREENSPLIT_VERTICAL || g_Vars.fourmeg2player) {
+			// 2 players vsplit
 			width = g_ViModes[g_ViRes].width / 2;
 
-			if (g_Vars.currentplayernum == 0 || g_Vars.currentplayernum == 2) {
+			if (g_Vars.currentplayernum == 0) {
 				width--;
 			}
-		} else if (PLAYERCOUNT() == 2) {
-			if (optionsGetScreenSplit() == SCREENSPLIT_VERTICAL || g_Vars.fourmeg2player) {
-				// 2 players vsplit
-				width = g_ViModes[g_ViRes].width / 2;
-
-				if (g_Vars.currentplayernum == 0) {
-					width--;
-				}
-			} else {
-				// 2 players full width
-				width = g_ViModes[g_ViRes].width;
-			}
 		} else {
-			// 1 player
+			// 2 players full width
 			width = g_ViModes[g_ViRes].width;
 		}
 	} else {
-		// Probably cutscene
+		// 1 player
 		width = g_ViModes[g_ViRes].width;
 	}
 
@@ -2789,11 +2377,7 @@ s16 playerGetViewportWidth(void)
 
 s16 playerGetViewportLeft(void)
 {
-#if VERSION >= VERSION_NTSC_1_0
-	s32 something = !playerHasSharedViewport();
-#else
-	s32 something = !((g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE);
-#endif
+	s32 something = true;
 	s16 left;
 
 	if (PLAYERCOUNT() >= 3 && something != 0) {
@@ -2829,13 +2413,7 @@ s16 playerGetViewportHeight(void)
 {
 	s16 height;
 
-	if (PLAYERCOUNT() >= 2
-#if VERSION >= VERSION_NTSC_1_0
-			&& !playerHasSharedViewport()
-#else
-			&& !((g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE)
-#endif
-			) {
+	if (PLAYERCOUNT() >= 2) {
 		s16 tmp = g_ViModes[g_ViRes].fullheight;
 
 		if (IS4MB() && !g_Vars.fourmeg2player) {
@@ -2881,13 +2459,7 @@ s16 playerGetViewportTop(void)
 {
 	s16 top;
 
-	if (PLAYERCOUNT() >= 2
-#if VERSION >= VERSION_NTSC_1_0
-			&& !playerHasSharedViewport()
-#else
-			&& !((g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE)
-#endif
-			) {
+	if (PLAYERCOUNT() >= 2) {
 		top = g_ViModes[g_ViRes].fulltop;
 
 		if (optionsGetScreenSplit() != SCREENSPLIT_VERTICAL || PLAYERCOUNT() != 2) {
@@ -3424,10 +2996,6 @@ void playerTick(bool arg0)
 
 	g_ViRes = g_HiResEnabled;
 
-	if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && PLAYERCOUNT() > 1) {
-		g_ViRes = VIRES_LO;
-	}
-
 #if PAL
 	text0f1531dc(false);
 #else
@@ -4032,23 +3600,6 @@ void playerTick(bool arg0)
 		if (g_Vars.currentplayer->redbloodfinished == false) {
 			bgunHandlePlayerDead();
 		}
-
-		if (g_Vars.currentplayer->redbloodfinished && g_Vars.currentplayer->deathanimfinished) {
-			if (g_Vars.mplayerisrunning == false) {
-				mainEndStage();
-			} else if (g_Vars.coopplayernum >= 0) {
-				if (g_Vars.currentplayer == g_Vars.bond
-						&& g_Vars.coop->isdead
-						&& g_Vars.coop->redbloodfinished
-						&& g_Vars.coop->deathanimfinished) {
-					mainEndStage();
-				} else {
-					chrsClearRefsToPlayer(g_Vars.currentplayernum);
-				}
-			} else if (g_Vars.antiplayernum >= 0 && g_Vars.currentplayer == g_Vars.bond) {
-				mainEndStage();
-			}
-		}
 	}
 
 	if (g_Vars.tickmode == TICKMODE_GE_FADEOUT && playerIsFadeComplete()) {
@@ -4479,148 +4030,43 @@ Gfx *playerRenderHud(Gfx *gdl)
 			if (playerIsFadeComplete()) {
 				bool canrestart = false;
 
-				if (g_Vars.mplayerisrunning) {
-					if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-						// Coop or anti
-						struct chrdata *chr = g_Vars.currentplayer->prop->chr;
+				u32 playernum = g_Vars.currentplayernum;
+				s32 playercount = PLAYERCOUNT();
+				struct chrdata *chr = g_Vars.currentplayer->prop->chr;
+				s32 numdeaths = 0;
+				s32 i;
 
-						if (chr) {
-							chr->chrflags |= CHRCFLAG_HIDDEN;
-						}
+				if (chr) {
+					chr->chrflags |= CHRCFLAG_HIDDEN;
+				}
 
-						if (g_Vars.antiplayernum >= 0 && g_Vars.currentplayer == g_Vars.anti) {
-							// Anti
-							if (joyGetButtons(optionsGetContpadNum1(g_Vars.currentplayerstats->mpindex), 0xb000) && !mpIsPaused()) {
-								g_Vars.currentplayer->dostartnewlife = true;
-							}
-						} else {
-							// Coop
-							if (g_Vars.coopplayernum >= 0 &&
-									(!g_Vars.bond->isdead || !g_Vars.coop->isdead)) {
-								f32 totalhealth;
-								u32 buddyplayernum = g_Vars.bondplayernum;
-								u32 prevplayernum = g_Vars.currentplayernum;
-								f32 stealhealth;
-								f32 shield;
+				for (i = 0; i < playercount; i++) {
+					numdeaths += g_Vars.playerstats[i].kills[playernum];
+				}
 
-								canrestart = joyGetButtons(optionsGetContpadNum1(g_Vars.currentplayerstats->mpindex), 0xb000)
-									&& !mpIsPaused();
+				if (g_BossFile.locktype == MPLOCKTYPE_CHALLENGE) {
+					if (g_Vars.currentplayer->deadtimer < 0) {
+						g_Vars.currentplayer->deadtimer = TICKS(600);
+					}
 
-								// Get ready to respawn.
-								// The other player's health will be halved.
-								buddyplayernum = g_Vars.currentplayer == g_Vars.coop ? g_Vars.bondplayernum : g_Vars.coopplayernum;
+					if (g_Vars.currentplayer->deadtimer >= 0) {
+						g_Vars.currentplayer->deadtimer -= g_Vars.lvupdate60;
 
-								setCurrentPlayerNum(buddyplayernum);
-								shield = chrGetShield(g_Vars.currentplayer->prop->chr) * 0.125f;
-								totalhealth = g_Vars.currentplayer->bondhealth + shield;
-
-#if VERSION >= VERSION_NTSC_FINAL
-								// NTSC final prevents coop from being able to respawn
-								// in Deep Sea after the mid cutscene. Without this condition,
-								// the player could respawn on the other side of the exit trigger.
-								// Additionally, the logic for coopcanrestart is different.
-								if (totalhealth > 0.125f
-										&& !(mainGetStageNum() == STAGE_DEEPSEA && chrHasStageFlag(NULL, 0x00000200))) {
-									if (canrestart) {
-										playerDisplayHealth();
-
-										stealhealth = totalhealth * 0.5f;
-
-										if (stealhealth < shield) {
-											chrSetShield(g_Vars.currentplayer->prop->chr, (shield - stealhealth) * 8.0f);
-										} else {
-											chrSetShield(g_Vars.currentplayer->prop->chr, 0);
-											g_Vars.currentplayer->bondhealth -= stealhealth - shield;
-										}
-
-										// Back to the player who died
-										setCurrentPlayerNum(prevplayernum);
-										g_Vars.currentplayer->dostartnewlife = true;
-										g_Vars.currentplayer->oldhealth = 0;
-										g_Vars.currentplayer->oldarmour = 0;
-										g_Vars.currentplayer->apparenthealth = 0;
-										g_Vars.currentplayer->apparentarmour = 0;
-										g_Vars.currentplayer->stealhealth = stealhealth;
-									} else {
-										setCurrentPlayerNum(prevplayernum);
-									}
-
-									g_Vars.currentplayer->coopcanrestart = true;
-								} else {
-									// Can't respawn
-									setCurrentPlayerNum(prevplayernum);
-								}
-#else
-								if (totalhealth > 0.125f && canrestart) {
-									playerDisplayHealth();
-
-									stealhealth = totalhealth * 0.5f;
-
-									if (stealhealth < shield) {
-										chrSetShield(g_Vars.currentplayer->prop->chr, (shield - stealhealth) * 8.0f);
-									} else {
-										chrSetShield(g_Vars.currentplayer->prop->chr, 0);
-										g_Vars.currentplayer->bondhealth -= stealhealth - shield;
-									}
-
-									// Back to the player who died
-									setCurrentPlayerNum(prevplayernum);
-									g_Vars.currentplayer->dostartnewlife = true;
-									g_Vars.currentplayer->oldhealth = 0;
-									g_Vars.currentplayer->oldarmour = 0;
-									g_Vars.currentplayer->apparenthealth = 0;
-									g_Vars.currentplayer->apparentarmour = 0;
-									g_Vars.currentplayer->stealhealth = stealhealth;
-								} else {
-									setCurrentPlayerNum(prevplayernum);
-								}
-
-								if (totalhealth > 0.125f) {
-									g_Vars.currentplayer->coopcanrestart = true;
-								}
-#endif
-							}
-						}
-					} else {
-						u32 playernum = g_Vars.currentplayernum;
-						s32 playercount = PLAYERCOUNT();
-						struct chrdata *chr = g_Vars.currentplayer->prop->chr;
-						s32 numdeaths = 0;
-						s32 i;
-
-						if (chr) {
-							chr->chrflags |= CHRCFLAG_HIDDEN;
-						}
-
-						for (i = 0; i < playercount; i++) {
-							numdeaths += g_Vars.playerstats[i].kills[playernum];
-						}
-
-						if (g_BossFile.locktype == MPLOCKTYPE_CHALLENGE) {
-							if (g_Vars.currentplayer->deadtimer < 0) {
-								g_Vars.currentplayer->deadtimer = TICKS(600);
-							}
-
-							if (g_Vars.currentplayer->deadtimer >= 0) {
-								g_Vars.currentplayer->deadtimer -= g_Vars.lvupdate60;
-
-								if (g_Vars.currentplayer->deadtimer < 0) {
-									canrestart = true;
-								}
-							}
-						}
-
-						if (joyGetButtons(optionsGetContpadNum1(g_Vars.currentplayerstats->mpindex), 0xb000)
-								&& !mpIsPaused()
-								&& g_NumReasonsToEndMpMatch == 0) {
+						if (g_Vars.currentplayer->deadtimer < 0) {
 							canrestart = true;
 						}
-
-						if (canrestart) {
-							g_Vars.currentplayer->dostartnewlife = true;
-						}
 					}
 				}
+
+				if (joyGetButtons(optionsGetContpadNum1(g_Vars.currentplayerstats->mpindex), 0xb000)
+						&& !mpIsPaused()
+						&& g_NumReasonsToEndMpMatch == 0) {
+					canrestart = true;
+				}
+
+				if (canrestart) {
+					g_Vars.currentplayer->dostartnewlife = true;
+				}
 			}
 		}
 	}
@@ -4681,12 +4127,7 @@ void playerDieByShooter(u32 shooter, bool force)
 
 		chrUncloak(g_Vars.currentplayer->prop->chr, true);
 
-		if (g_Vars.mplayerisrunning &&
-				(g_Vars.antiplayernum < 0
-				 || g_Vars.currentplayernum != g_Vars.antiplayernum
-				 || shooter != g_Vars.antiplayernum)) {
-			currentPlayerDropAllItems();
-		}
+		currentPlayerDropAllItems();
 
 		g_Vars.currentplayer->isdead = true;
 		g_Vars.currentplayer->bonddie = g_Vars.currentplayer->bond2;
diff --git a/src/game/playermgr.c b/src/game/playermgr.c
index 793b36a27..7a33c9cdc 100644
--- a/src/game/playermgr.c
+++ b/src/game/playermgr.c
@@ -58,14 +58,6 @@ void playermgrAllocatePlayers(s32 count)
 
 		setCurrentPlayerNum(0);
 		g_Vars.bond = g_Vars.players[g_Vars.bondplayernum];
-
-		if (g_Vars.coopplayernum >= 0) {
-			g_Vars.coop = g_Vars.players[g_Vars.coopplayernum];
-			g_Vars.anti = NULL;
-		} else if (g_Vars.antiplayernum >= 0) {
-			g_Vars.coop = NULL;
-			g_Vars.anti = g_Vars.players[g_Vars.antiplayernum];
-		}
 	} else {
 		playermgrAllocatePlayer(0);
 		setCurrentPlayerNum(0);
@@ -76,10 +68,11 @@ void playermgrAllocatePlayers(s32 count)
 			playermgrSetViewSize(playerGetFbWidth(), playerGetFbHeight());
 		}
 
-		g_Vars.coop = NULL;
-		g_Vars.anti = NULL;
 		g_Vars.bond = g_Vars.players[0];
 	}
+
+	g_Vars.coop = NULL;
+	g_Vars.anti = NULL;
 }
 
 void playermgrAllocatePlayer(s32 index)
diff --git a/src/game/playerreset.c b/src/game/playerreset.c
index fb93177f4..da1b582a8 100644
--- a/src/game/playerreset.c
+++ b/src/game/playerreset.c
@@ -181,34 +181,10 @@ void playerReset(void)
 	propEnable(g_Vars.currentplayer->prop);
 	chrInit(g_Vars.currentplayer->prop);
 
-	if (g_Vars.coopplayernum >= 0) {
-		g_Vars.currentplayer->prop->chr->team = TEAM_ALLY;
-	} else if (g_Vars.antiplayernum >= 0) {
-		if (g_Vars.currentplayer == g_Vars.bond) {
-			g_Vars.currentplayer->prop->chr->team = TEAM_ALLY;
-		} else {
-			g_Vars.currentplayer->prop->chr->team = TEAM_ENEMY;
-		}
-	} else {
-		if (g_Vars.mplayerisrunning) {
-			g_Vars.currentplayer->prop->chr->team = 1 << g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.team;
-		} else {
-			g_Vars.currentplayer->prop->chr->team = TEAM_ALLY;
-		}
-	}
+	g_Vars.currentplayer->prop->chr->team = 1 << g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.team;
 
 	if (g_NumSpawnPoints > 0) {
-		if (g_Vars.coopplayernum >= 0) {
-			turnanglerad = M_BADTAU - scenarioChooseSpawnLocation(30, &pos, rooms, g_Vars.currentplayer->prop);
-		} else if (g_Vars.antiplayernum >= 0) {
-			turnanglerad = M_BADTAU - scenarioChooseSpawnLocation(30, &pos, rooms, g_Vars.currentplayer->prop);
-		} else {
-			if (g_Vars.mplayerisrunning == 0) {
-				g_NumSpawnPoints = 1;
-			}
-
-			turnanglerad = M_BADTAU - scenarioChooseSpawnLocation(30, &pos, rooms, g_Vars.currentplayer->prop);
-		}
+		turnanglerad = M_BADTAU - scenarioChooseSpawnLocation(30, &pos, rooms, g_Vars.currentplayer->prop);
 	}
 
 	groundy = cdFindGroundInfoAtCyl(&pos, 30, rooms,
diff --git a/src/game/propobj.c b/src/game/propobj.c
index 6ce353fcc..c69f11006 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -1505,34 +1505,7 @@ s32 func0f068fc8(struct prop *prop, bool arg1)
 	} else if (obj->type == OBJTYPE_DOOR) {
 		struct doorobj *door = (struct doorobj *)obj;
 
-		if (g_Vars.normmplayerisrunning) {
-			actual = 255;
-		} else {
-			actualptr = arg1 == 0 ? &actual : NULL;
-			extraptr = arg1 == 1 ? &extra : NULL;
-
-			door0f068c04(prop, actualptr, extraptr);
-
-			if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-				if (g_Vars.currentplayernum == 1) {
-					if (actualptr) {
-						door->actual1 = actual & 0xff;
-					}
-
-					if (extraptr) {
-						door->extra1 = extra & 0xff;
-					}
-				} else {
-					if (actualptr) {
-						door->actual2 = actual & 0xff;
-					}
-
-					if (extraptr) {
-						door->extra2 = extra & 0xff;
-					}
-				}
-			}
-		}
+		actual = 255;
 	} else {
 		actual = func0f068b14(prop->rooms, 0);
 		extra = func0f068b14(prop->rooms, 1);
@@ -1672,22 +1645,6 @@ void propCalculateShadeInfo(struct prop *prop, u8 *nextcol, u16 floorcol)
 	nextcol[0] >>= 1;
 	nextcol[1] >>= 1;
 	nextcol[2] >>= 1;
-
-	if (prop->type == PROPTYPE_DOOR && (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)) {
-		struct doorobj *door = prop->door;
-
-		if (g_Vars.currentplayernum == 0) {
-			door->shadeinfo1[0] = nextcol[0];
-			door->shadeinfo1[1] = nextcol[1];
-			door->shadeinfo1[2] = nextcol[2];
-			door->shadeinfo1[3] = nextcol[3];
-		} else {
-			door->shadeinfo2[0] = nextcol[0];
-			door->shadeinfo2[1] = nextcol[1];
-			door->shadeinfo2[2] = nextcol[2];
-			door->shadeinfo2[3] = nextcol[3];
-		}
-	}
 }
 
 /**
@@ -4396,27 +4353,7 @@ void weaponTick(struct prop *prop)
 			// If a player manages to throw a mine on themselves, it will not detonate.
 			// You can't throw a mine on yourself anyway, so this check always passes
 			if (prop->parent == NULL || parentchr == NULL || mpPlayerGetIndex(parentchr) != ownerplayernum) {
-				if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-					if (ownerplayernum == 2) {
-						u32 mask = 0;
-
-						if (g_Vars.coop && g_Vars.coop->prop) {
-							mask |= 1 << playermgrGetPlayerNumByProp(g_Vars.coop->prop);
-						}
-
-						if (g_Vars.bond && g_Vars.bond->prop) {
-							mask |= 1 << playermgrGetPlayerNumByProp(g_Vars.bond->prop);
-						}
-
-						g_PlayersDetonatingMines &= mask;
-
-						if (g_PlayersDetonatingMines != 0) {
-							weapon->timer240 = 0;
-						}
-					} else if (g_PlayersDetonatingMines & 1 << ownerplayernum) {
-						weapon->timer240 = 0;
-					}
-				} else if (g_PlayersDetonatingMines & 1 << ownerplayernum) {
+				if (g_PlayersDetonatingMines & 1 << ownerplayernum) {
 					weapon->timer240 = 0;
 				}
 			}
@@ -8984,16 +8921,7 @@ void cctvTick(struct prop *camprop)
 	f32 zdist;
 	bool canseeplayer = true;
 
-	// If playing in coop mode, cycle between players in alternating frames
-	if (g_Vars.coopplayernum >= 0) {
-		if (g_Vars.lvframenum & 1) {
-			playerprop = g_Vars.bond->prop;
-		} else {
-			playerprop = g_Vars.coop->prop;
-		}
-	} else {
-		playerprop = g_Vars.bond->prop;
-	}
+	playerprop = g_Vars.bond->prop;
 
 	// Check distance
 	xdist = playerprop->pos.x - camprop->pos.x;
@@ -9094,10 +9022,6 @@ void cctvTick(struct prop *camprop)
 		obj->flags |= OBJFLAG_CAMERA_BONDINVIEW;
 		camera->seebondtime60 += g_Vars.lvupdate60;
 
-		if (g_Vars.coopplayernum >= 0) {
-			camera->seebondtime60 += g_Vars.lvupdate60;
-		}
-
 		if (camera->seebondtime60 >= (s32)(TICKS(300) * g_CctvWaitScale)) {
 			alarmActivate();
 			camera->seebondtime60 = 0;
@@ -9439,15 +9363,7 @@ void autogunTick(struct prop *prop)
 			}
 		} else {
 			// Not configured for teams, so target a player
-			if (g_Vars.coopplayernum >= 0) {
-				if (g_Vars.lvframenum & 1) {
-					target = g_Vars.bond->prop;
-				} else {
-					target = g_Vars.coop->prop;
-				}
-			} else {
-				target = g_Vars.bond->prop;
-			}
+			target = g_Vars.bond->prop;
 		}
 	}
 
@@ -9884,170 +9800,48 @@ void autogunTickShoot(struct prop *autogunprop)
 
 				// If multiplayer, or targeting a bad guy in solo
 				// (ie. autogun is a Defense autogun or a thrown laptop)
-				if (g_Vars.normmplayerisrunning
-						|| (targetprop && (targetprop->type == PROPTYPE_CHR))
-						|| (g_Vars.antiplayernum >= 0 && targetprop && targetprop == g_Vars.anti->prop)) {
-					if (cdExamLos08(&gunpos, gunrooms, &hitpos, CDTYPE_ALL, GEOFLAG_BLOCK_SHOOT) == CDRESULT_COLLISION) {
-#if VERSION >= VERSION_PAL_FINAL
-						cdGetPos(&hitpos, 11480, "prop/propobj.c");
-#elif VERSION >= VERSION_PAL_BETA
-						cdGetPos(&hitpos, 11480, "propobj.c");
-#elif VERSION >= VERSION_NTSC_1_0
-						cdGetPos(&hitpos, 11458, "propobj.c");
-#else
-						cdGetPos(&hitpos, 11296, "propobj.c");
-#endif
+				if (cdExamLos08(&gunpos, gunrooms, &hitpos, CDTYPE_ALL, GEOFLAG_BLOCK_SHOOT) == CDRESULT_COLLISION) {
+					cdGetPos(&hitpos, 11458, "propobj.c");
 
-						hitprop = cdGetObstacleProp();
+					hitprop = cdGetObstacleProp();
 
-						// SP: If the hit prop is a chr and it's our target
-						// MP: If the hit prop is a chr
-						if (hitprop
-								&& (hitprop->type == PROPTYPE_CHR || hitprop->type == PROPTYPE_PLAYER)
-								&& (g_Vars.normmplayerisrunning || targetprop == hitprop)) {
-							struct modelnode *hitnode = NULL;
-							struct model *hitmodel = NULL;
-							s32 hitside = -1;
-							s32 hitpart = HITPART_GENERAL;
-							f32 damage = gsetGetDamage(&gset);
-							struct chrdata *hitchr = hitprop->chr;
+					// SP: If the hit prop is a chr and it's our target
+					// MP: If the hit prop is a chr
+					if (hitprop
+							&& (hitprop->type == PROPTYPE_CHR || hitprop->type == PROPTYPE_PLAYER)
+							&& (g_Vars.normmplayerisrunning || targetprop == hitprop)) {
+						struct modelnode *hitnode = NULL;
+						struct model *hitmodel = NULL;
+						s32 hitside = -1;
+						s32 hitpart = HITPART_GENERAL;
+						f32 damage = gsetGetDamage(&gset);
+						struct chrdata *hitchr = hitprop->chr;
 
-							if (g_Vars.normmplayerisrunning) {
-								damage *= 0.5f;
-							}
-
-							if (ownerprop == hitprop || (ownerchr && chrCompareTeams(hitprop->chr, ownerchr, COMPARE_FRIENDS))) {
-								// A teammate entered the line of fire
-								makebeam = false;
-								fireleft = false;
-								fireright = false;
-								friendly = true;
-							}
-
-							if (fireleft || fireright) {
-								bgunPlayPropHitSound(&gset, hitprop, -1);
-
-								if (hitchr->model && chrGetShield(hitchr) > 0.0f) {
-									chrCalculateShieldHit(hitchr, &hitpos, &dir, &hitnode, &hitpart, &hitmodel, &hitside);
-								}
-
-								chrEmitSparks(hitchr, hitprop, hitpart, &hitpos, &dir, ownerchr);
-								func0f0341dc(hitchr, damage, &dir, &gset, ownerprop, HITPART_GENERAL, hitprop, hitnode, hitmodel, hitside, NULL);
-							}
-						} else {
-							missed = true;
+						if (g_Vars.normmplayerisrunning) {
+							damage *= 0.5f;
 						}
-					}
-				} else if (targetprop && targetprop->type == PROPTYPE_OBJ) {
-					// Laptop in firing range
-					struct prop *hitprop = NULL;
 
-					if (cdExamLos08(&gunpos, gunrooms, &hitpos,
-								CDTYPE_ALL & ~CDTYPE_PLAYERS,
-								GEOFLAG_BLOCK_SHOOT) == CDRESULT_COLLISION) {
-#if VERSION >= VERSION_PAL_FINAL
-						cdGetPos(&hitpos, 11535, "prop/propobj.c");
-#elif VERSION >= VERSION_PAL_BETA
-						cdGetPos(&hitpos, 11535, "propobj.c");
-#elif VERSION >= VERSION_NTSC_1_0
-						cdGetPos(&hitpos, 11513, "propobj.c");
-#else
-						cdGetPos(&hitpos, 11351, "propobj.c");
-#endif
+						if (ownerprop == hitprop || (ownerchr && chrCompareTeams(hitprop->chr, ownerchr, COMPARE_FRIENDS))) {
+							// A teammate entered the line of fire
+							makebeam = false;
+							fireleft = false;
+							fireright = false;
+							friendly = true;
+						}
 
-						hitprop = cdGetObstacleProp();
+						if (fireleft || fireright) {
+							bgunPlayPropHitSound(&gset, hitprop, -1);
+
+							if (hitchr->model && chrGetShield(hitchr) > 0.0f) {
+								chrCalculateShieldHit(hitchr, &hitpos, &dir, &hitnode, &hitpart, &hitmodel, &hitside);
+							}
+
+							chrEmitSparks(hitchr, hitprop, hitpart, &hitpos, &dir, ownerchr);
+							func0f0341dc(hitchr, damage, &dir, &gset, ownerprop, HITPART_GENERAL, hitprop, hitnode, hitmodel, hitside, NULL);
+						}
+					} else {
 						missed = true;
 					}
-
-					if (hitprop && hitprop->type == PROPTYPE_OBJ) {
-						struct defaultobj *hitobj = hitprop->obj;
-
-						if (hitobj->modelnum == MODEL_TARGET) {
-							struct gset gset = { WEAPON_LAPTOPGUN, 0, 0, FUNC_SECONDARY };
-
-							missed = false;
-
-							if (chrIsUsingPaintball(ownerchr)) {
-								sparksCreate(hitprop->rooms[0], hitprop, &hitpos, 0, 0, SPARKTYPE_PAINT);
-							} else {
-								sparksCreate(hitprop->rooms[0], hitprop, &hitpos, 0, 0, SPARKTYPE_DEFAULT);
-							}
-
-							bgunPlayPropHitSound(&gset, hitprop, TEXTURE_00F2);
-						}
-					}
-				} else {
-					// Enemy autogun in solo
-					if (cdExamLos08(&gunpos, gunrooms, &hitpos,
-								CDTYPE_DOORS | CDTYPE_BG,
-								GEOFLAG_BLOCK_SHOOT) == CDRESULT_COLLISION) {
-#if VERSION >= VERSION_PAL_FINAL
-						cdGetPos(&hitpos, 11561, "prop/propobj.c");
-#elif VERSION >= VERSION_PAL_BETA
-						cdGetPos(&hitpos, 11561, "propobj.c");
-#elif VERSION >= VERSION_NTSC_1_0
-						cdGetPos(&hitpos, 11539, "propobj.c");
-#else
-						cdGetPos(&hitpos, 11377, "propobj.c");
-#endif
-
-						missed = true;
-					}
-
-					if (g_Vars.lvframe60 == autogun->lastaimbond60
-							&& targetprop && targetprop->type == PROPTYPE_PLAYER) {
-						f32 x;
-						f32 y;
-						f32 z;
-						f32 sqguntotargetdist;
-						f32 sqguntohitdist;
-						f32 damage;
-
-						x = targetprop->pos.x - gunpos.x;
-						y = targetprop->pos.y - gunpos.y;
-						z = targetprop->pos.z - gunpos.z;
-
-						sqguntotargetdist = x * x + y * y + z * z;
-
-						x = hitpos.f[0] - gunpos.f[0];
-						y = hitpos.f[1] - gunpos.f[1];
-						z = hitpos.f[2] - gunpos.f[2];
-
-						sqguntohitdist = x * x + y * y + z * z;
-
-						if (sqguntohitdist >= sqguntotargetdist) {
-							f32 guntotargetdist = sqrtf(sqguntotargetdist);
-							f32 increment = 0.16f * g_Vars.lvupdate60freal * g_AutogunAccuracyScale;
-
-							if (guntotargetdist > 200.0f) {
-								increment *= 200.0f / guntotargetdist;
-							}
-
-							autogun->shotbondsum += increment;
-
-							if (autogun->shotbondsum >= 1.0f) {
-								hitpos.x = targetprop->pos.x;
-								hitpos.y = targetprop->pos.y;
-								hitpos.z = targetprop->pos.z;
-
-								missed = false;
-
-								if (random() % 2) {
-									hitpos.y += 2 + (random() % 10);
-								} else {
-									hitpos.y -= 2 + (random() % 10);
-								}
-
-								bgunPlayPropHitSound(&gset, targetprop, -1);
-
-								damage = 0.5f * g_AutogunDamageTxScale;
-
-								chrDamageByImpact(targetprop->chr, damage, &dir, &gset, 0, HITPART_GENERAL);
-
-								autogun->shotbondsum = 0.0f;
-							}
-						}
-					}
 				}
 
 				propSetPerimEnabled(autogunprop, true);
@@ -14472,31 +14266,12 @@ Gfx *objRender(struct prop *prop, Gfx *gdl, bool xlupass)
 		}
 	}
 
-	if (prop->type == PROPTYPE_DOOR
-			&& (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)) {
-		struct doorobj *door = prop->door;
+	colour[0] = obj->shadecol[0];
+	colour[1] = obj->shadecol[1];
+	colour[2] = obj->shadecol[2];
+	colour[3] = obj->shadecol[3];
 
-		if (g_Vars.currentplayernum == 0) {
-			colour[0] = door->shadeinfo1[0];
-			colour[1] = door->shadeinfo1[1];
-			colour[2] = door->shadeinfo1[2];
-			colour[3] = door->shadeinfo1[3];
-		} else {
-			colour[0] = door->shadeinfo2[0];
-			colour[1] = door->shadeinfo2[1];
-			colour[2] = door->shadeinfo2[2];
-			colour[3] = door->shadeinfo2[3];
-		}
-	} else {
-		colour[0] = obj->shadecol[0];
-		colour[1] = obj->shadecol[1];
-		colour[2] = obj->shadecol[2];
-		colour[3] = obj->shadecol[3];
-	}
-
-	if (g_Vars.normmplayerisrunning) {
-		scenarioHighlightProp(prop, colour);
-	}
+	scenarioHighlightProp(prop, colour);
 
 	if (g_Vars.currentplayer->visionmode == VISIONMODE_XRAY) {
 		colour[g_Vars.currentplayer->epcol_0] = xrayalphafrac * 255.0f;
@@ -16563,88 +16338,86 @@ void objHit(struct shotdata *shotdata, struct hit *hit)
 		}
 	}
 
-	if (g_Vars.antiplayernum < 0 || g_Vars.currentplayer != g_Vars.anti || (obj->flags2 & OBJFLAG2_IMMUNETOANTI) == 0) {
-		if (hit->hitthing.texturenum != 10000) {
-			f32 damage = gsetGetDamage(&shotdata->gset);
+	if (hit->hitthing.texturenum != 10000) {
+		f32 damage = gsetGetDamage(&shotdata->gset);
 
-			if (obj->type == OBJTYPE_AUTOGUN) {
-				damage *= g_AutogunDamageRxScale;
-			} else if (obj->type == OBJTYPE_CCTV) {
-				// Leftover from GE: shots to a CCTV's lens is a one hit kill
-				if (obj->model->filedata->skel == &g_SkelCctv) {
-					if (modelGetPart(obj->model->filedata, MODELPART_CCTV_LENS) == hit->unk44) {
-						damage *= 100.0f;
-						cctvHandleLensShot(obj);
-					}
-				}
-
-				damage *= g_CctvDamageRxScale;
-			} else if (explosiveshells) {
-				if (obj->type == OBJTYPE_GLASS || obj->type == OBJTYPE_TINTEDGLASS) {
+		if (obj->type == OBJTYPE_AUTOGUN) {
+			damage *= g_AutogunDamageRxScale;
+		} else if (obj->type == OBJTYPE_CCTV) {
+			// Leftover from GE: shots to a CCTV's lens is a one hit kill
+			if (obj->model->filedata->skel == &g_SkelCctv) {
+				if (modelGetPart(obj->model->filedata, MODELPART_CCTV_LENS) == hit->unk44) {
 					damage *= 100.0f;
-				} else {
-					damage *= 5.0f;
+					cctvHandleLensShot(obj);
 				}
 			}
 
-			objTakeGunfire(obj, damage, &sp110, shotdata->gset.weaponnum, g_Vars.currentplayernum);
-
-			if (obj->model->filedata->skel == &g_SkelWindowedDoor && !hit->unk4c) {
-				struct doorobj *door = (struct doorobj *)obj;
-				door->glasshits++;
-
-				if (door->glasshits >= 3) {
-					doorDestroyGlass(door);
-				}
+			damage *= g_CctvDamageRxScale;
+		} else if (explosiveshells) {
+			if (obj->type == OBJTYPE_GLASS || obj->type == OBJTYPE_TINTEDGLASS) {
+				damage *= 100.0f;
+			} else {
+				damage *= 5.0f;
 			}
 		}
 
-		objDropRecursively(hit->prop, false);
+		objTakeGunfire(obj, damage, &sp110, shotdata->gset.weaponnum, g_Vars.currentplayernum);
 
-		// Handle pushing and bouncing
-		if ((obj->hidden & OBJHFLAG_MOUNTED) == 0 && (obj->hidden & OBJHFLAG_GRABBED) == 0) {
-			if (obj->flags3 & OBJFLAG3_PUSHABLE) {
-				struct coord spb0;
-				struct coord spa4;
-				struct coord pushdir;
-				Mtxf sp58;
+		if (obj->model->filedata->skel == &g_SkelWindowedDoor && !hit->unk4c) {
+			struct doorobj *door = (struct doorobj *)obj;
+			door->glasshits++;
 
-				spb0.x = shotdata->dir.x * 3.0f;
-				spb0.y = shotdata->dir.y * 3.0f;
-				spb0.z = shotdata->dir.z * 3.0f;
+			if (door->glasshits >= 3) {
+				doorDestroyGlass(door);
+			}
+		}
+	}
 
-				mtx4MultMtx4(camGetProjectionMtxF(), &obj->model->matrices[hit->mtxindex], &sp58);
-				mtx4TransformVec(&sp58, &hit->hitthing.unk00, &spa4);
+	objDropRecursively(hit->prop, false);
 
-				pushdir.x = shotdata->dir.x;
-				pushdir.y = shotdata->dir.y;
-				pushdir.z = shotdata->dir.z;
+	// Handle pushing and bouncing
+	if ((obj->hidden & OBJHFLAG_MOUNTED) == 0 && (obj->hidden & OBJHFLAG_GRABBED) == 0) {
+		if (obj->flags3 & OBJFLAG3_PUSHABLE) {
+			struct coord spb0;
+			struct coord spa4;
+			struct coord pushdir;
+			Mtxf sp58;
 
-				func0f082e84(obj, &spa4, &pushdir, &spb0, true);
-			} else {
-				bool bounce = false;
+			spb0.x = shotdata->dir.x * 3.0f;
+			spb0.y = shotdata->dir.y * 3.0f;
+			spb0.z = shotdata->dir.z * 3.0f;
 
-				if (func0f085194(obj)) {
-					if ((obj->flags & OBJFLAG_00400000) == 0) {
-						bounce = true;
-					}
-				} else if (obj->flags & OBJFLAG_BOUNCEIFSHOT) {
+			mtx4MultMtx4(camGetProjectionMtxF(), &obj->model->matrices[hit->mtxindex], &sp58);
+			mtx4TransformVec(&sp58, &hit->hitthing.unk00, &spa4);
+
+			pushdir.x = shotdata->dir.x;
+			pushdir.y = shotdata->dir.y;
+			pushdir.z = shotdata->dir.z;
+
+			func0f082e84(obj, &spa4, &pushdir, &spb0, true);
+		} else {
+			bool bounce = false;
+
+			if (func0f085194(obj)) {
+				if ((obj->flags & OBJFLAG_00400000) == 0) {
 					bounce = true;
 				}
+			} else if (obj->flags & OBJFLAG_BOUNCEIFSHOT) {
+				bounce = true;
+			}
 
-				if (obj->flags2 & OBJFLAG2_00000002) {
-					if (!objIsHealthy(obj)) {
-						bounce = true;
-					}
+			if (obj->flags2 & OBJFLAG2_00000002) {
+				if (!objIsHealthy(obj)) {
+					bounce = true;
 				}
+			}
 
-				if (obj->flags2 & OBJFLAG2_LINKEDTOSAFE) {
-					bounce = false;
-				}
+			if (obj->flags2 & OBJFLAG2_LINKEDTOSAFE) {
+				bounce = false;
+			}
 
-				if (bounce) {
-					objBounce(obj, &shotdata->unk0c);
-				}
+			if (bounce) {
+				objBounce(obj, &shotdata->unk0c);
 			}
 		}
 	}
@@ -16828,15 +16601,7 @@ bool propobjInteract(struct prop *prop)
 		bmoveGrabProp(prop);
 	}
 
-	if (g_Vars.normmplayerisrunning) {
-		scenarioHandleActivatedProp(g_Vars.currentplayer->prop->chr, prop);
-	} else {
-		if (g_Vars.currentplayernum == g_Vars.coopplayernum) {
-			obj->hidden |= OBJHFLAG_ACTIVATED_BY_COOP;
-		} else if (g_Vars.currentplayernum == g_Vars.bondplayernum) {
-			obj->hidden |= OBJHFLAG_ACTIVATED_BY_BOND;
-		}
-	}
+	scenarioHandleActivatedProp(g_Vars.currentplayer->prop->chr, prop);
 
 	doorCallLift(prop, false);
 
@@ -21177,9 +20942,7 @@ void doorsActivate(struct prop *doorprop, bool allowliftclose)
 		}
 	}
 
-	if (g_Vars.currentplayernum == g_Vars.coopplayernum) {
-		door->base.hidden |= OBJHFLAG_ACTIVATED_BY_COOP;
-	} else if (g_Vars.currentplayernum == g_Vars.bondplayernum) {
+	if (g_Vars.currentplayernum == g_Vars.bondplayernum) {
 		door->base.hidden |= OBJHFLAG_ACTIVATED_BY_BOND;
 	}
 
@@ -21265,9 +21028,7 @@ bool propdoorInteract(struct prop *doorprop)
 			}
 		}
 
-		if (g_Vars.currentplayernum == g_Vars.coopplayernum) {
-			door->base.hidden |= OBJHFLAG_ACTIVATED_BY_COOP;
-		} else if (g_Vars.currentplayernum == g_Vars.bondplayernum) {
+		if (g_Vars.currentplayernum == g_Vars.bondplayernum) {
 			door->base.hidden |= OBJHFLAG_ACTIVATED_BY_BOND;
 		}
 
@@ -21607,63 +21368,7 @@ void currentPlayerDropAllItems(void)
 					|| (g_Vars.normmplayerisrunning
 						&& g_MpSetup.scenario == MPSCENARIO_HACKERCENTRAL
 						&& i == WEAPON_DATAUPLINK)) {
-#if VERSION >= VERSION_NTSC_1_0
-				if (g_Vars.coopplayernum >= 0) {
-					bool canremove = true;
-					struct prop *child = g_Vars.currentplayer->prop->child;
-
-					while (child) {
-						struct defaultobj *obj = child->obj;
-
-						if (obj->type == OBJTYPE_WEAPON) {
-							struct weaponobj *weapon = child->weapon;
-
-							if (i == weapon->weaponnum && (obj->flags3 & OBJFLAG3_PLAYERUNDROPPABLE)) {
-								canremove = false;
-								break;
-							}
-						}
-
-						child = child->next;
-					}
-
-					if (canremove) {
-						invRemoveItemByNum(i);
-					}
-
-					if (!bgunIsMissionCritical(i)) {
-						weaponCreateForPlayerDrop(i);
-					}
-				} else {
-					weaponCreateForPlayerDrop(i);
-				}
-#else
-				if (g_Vars.coopplayernum >= 0) {
-					bool canremove = true;
-					struct prop *child = g_Vars.currentplayer->prop->child;
-
-					while (child) {
-						struct defaultobj *obj = child->obj;
-
-						if (obj->type == OBJTYPE_WEAPON) {
-							struct weaponobj *weapon = child->weapon;
-
-							if (i == weapon->weaponnum && (obj->flags3 & OBJFLAG3_PLAYERUNDROPPABLE)) {
-								canremove = false;
-								break;
-							}
-						}
-
-						child = child->next;
-					}
-
-					if (canremove) {
-						invRemoveItemByNum(i);
-					}
-				}
-
 				weaponCreateForPlayerDrop(i);
-#endif
 			}
 		}
 	}
diff --git a/src/game/radar.c b/src/game/radar.c
index a07471ffa..ea345133c 100644
--- a/src/game/radar.c
+++ b/src/game/radar.c
@@ -253,18 +253,12 @@ Gfx *radarRender(Gfx *gdl)
 	playernum = g_Vars.currentplayernum;
 	playercount = PLAYERCOUNT();
 
-	if (g_Vars.mplayerisrunning) {
-		if (g_Vars.normmplayerisrunning && (g_MpSetup.options & MPOPTION_NORADAR)) {
-			return gdl;
-		}
+	if (g_MpSetup.options & MPOPTION_NORADAR) {
+		return gdl;
+	}
 
-		if ((g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.displayoptions & 0x00000004) == 0) {
-			return gdl;
-		}
-	} else if ((g_Vars.currentplayer->devicesactive & ~g_Vars.currentplayer->devicesinhibit & DEVICE_RTRACKER) == 0) {
-		if (!g_MissionConfig.iscoop || !g_Vars.coopradaron) {
-			return gdl;
-		}
+	if ((g_PlayerConfigsArray[g_Vars.currentplayerstats->mpindex].base.displayoptions & 0x00000004) == 0) {
+		return gdl;
 	}
 
 	if (g_Vars.currentplayer->mpmenuon || g_Vars.currentplayer->isdead) {
@@ -348,43 +342,22 @@ Gfx *radarRender(Gfx *gdl)
 		}
 	}
 
-	// Draw dots for coop AI buddies
-	if (!g_Vars.normmplayerisrunning && g_MissionConfig.iscoop) {
-		for (i = 0; i < g_Vars.numaibuddies && i < 4; i++) {
-			struct prop *prop = g_Vars.aibuddies[i];
-
-			if (prop
-					&& prop->type == PROPTYPE_CHR
-					&& prop->chr
-					&& prop->chr->actiontype != ACT_DIE
-					&& prop->chr->actiontype != ACT_DEAD) {
-				pos.x = prop->pos.x - g_Vars.currentplayer->prop->pos.x;
-				pos.y = prop->pos.y - g_Vars.currentplayer->prop->pos.y;
-				pos.z = prop->pos.z - g_Vars.currentplayer->prop->pos.z;
-
-				gdl = radarDrawDot(gdl, prop, &pos, 0x00ff0000, 0, 0);
-			}
-		}
-	}
-
 	// Draw dots for MP simulants
-	if (g_Vars.normmplayerisrunning != 0) {
-		for (i = 0; i < g_BotCount; i++) {
-			if (!chrIsDead(g_MpBotChrPtrs[i])
-					&& (g_MpBotChrPtrs[i]->hidden & CHRHFLAG_CLOAKED) == 0
-					&& scenarioRadarChr(&gdl, g_MpBotChrPtrs[i]->prop) == false) {
-				pos.x = g_MpBotChrPtrs[i]->prop->pos.x - g_Vars.currentplayer->prop->pos.x;
-				pos.y = g_MpBotChrPtrs[i]->prop->pos.y - g_Vars.currentplayer->prop->pos.y;
-				pos.z = g_MpBotChrPtrs[i]->prop->pos.z - g_Vars.currentplayer->prop->pos.z;
+	for (i = 0; i < g_BotCount; i++) {
+		if (!chrIsDead(g_MpBotChrPtrs[i])
+				&& (g_MpBotChrPtrs[i]->hidden & CHRHFLAG_CLOAKED) == 0
+				&& scenarioRadarChr(&gdl, g_MpBotChrPtrs[i]->prop) == false) {
+			pos.x = g_MpBotChrPtrs[i]->prop->pos.x - g_Vars.currentplayer->prop->pos.x;
+			pos.y = g_MpBotChrPtrs[i]->prop->pos.y - g_Vars.currentplayer->prop->pos.y;
+			pos.z = g_MpBotChrPtrs[i]->prop->pos.z - g_Vars.currentplayer->prop->pos.z;
 
-				if (g_Vars.normmplayerisrunning && (g_MpSetup.options & MPOPTION_TEAMSENABLED)) {
-					colour = g_TeamColours[radarGetTeamIndex(g_MpBotChrPtrs[i]->team)];
-				} else {
-					colour = 0x00ff0000;
-				}
-
-				gdl = radarDrawDot(gdl, g_MpBotChrPtrs[i]->prop, &pos, colour, 0, 0);
+			if (g_Vars.normmplayerisrunning && (g_MpSetup.options & MPOPTION_TEAMSENABLED)) {
+				colour = g_TeamColours[radarGetTeamIndex(g_MpBotChrPtrs[i]->team)];
+			} else {
+				colour = 0x00ff0000;
 			}
+
+			gdl = radarDrawDot(gdl, g_MpBotChrPtrs[i]->prop, &pos, colour, 0, 0);
 		}
 	}
 
diff --git a/src/game/setup.c b/src/game/setup.c
index 1667c54a9..2066a59d1 100644
--- a/src/game/setup.c
+++ b/src/game/setup.c
@@ -706,10 +706,6 @@ void setupCreateMine(struct mineobj *mine, s32 cmdindex)
 
 	setupCreateObject(&mine->base, cmdindex);
 
-	if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-		mine->base.hidden = (mine->base.hidden & 0x0fffffff) | OBJHFLAG_20000000;
-	}
-
 	mine->base.prop->forcetick = true;
 }
 
@@ -1272,12 +1268,6 @@ void setupLoadFiles(s32 stagenum)
 		// Count the number of chrs and objects so enough model slots can be allocated
 		numchrs += setupCountCommandType(OBJTYPE_CHR);
 
-		if (!g_Vars.normmplayerisrunning && g_MissionConfig.iscoop && g_Vars.numaibuddies > 0) {
-			// @bug? The Hotshot buddy has two guns, but only one is counted here.
-			numchrs += g_Vars.numaibuddies;
-			numobjs += g_Vars.numaibuddies; // the buddy's weapon
-		}
-
 		numobjs += setupCountCommandType(OBJTYPE_WEAPON);
 		numobjs += setupCountCommandType(OBJTYPE_KEY);
 		numobjs += setupCountCommandType(OBJTYPE_HAT);
@@ -1350,8 +1340,7 @@ void setupCreateProps(s32 stagenum)
 	s32 j;
 	s32 liftnum = 0;
 
-	withhovercars = !(stagenum == STAGE_EXTRACTION || stagenum == STAGE_DEFECTION)
-		|| !(g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0);
+	withhovercars = true;
 
 	escstepx = 0;
 	escstepy = 0;
@@ -1376,12 +1365,6 @@ void setupCreateProps(s32 stagenum)
 
 			numchrs += setupCountCommandType(OBJTYPE_CHR);
 
-			if (g_Vars.normmplayerisrunning == false
-					&& g_MissionConfig.iscoop
-					&& g_Vars.numaibuddies > 0) {
-				numchrs += g_Vars.numaibuddies;
-			}
-
 			chrmgrConfigure(numchrs);
 		} else {
 			chrmgrConfigure(0);
diff --git a/src/game/sight.c b/src/game/sight.c
index 228050a8b..15d2d6dc5 100644
--- a/src/game/sight.c
+++ b/src/game/sight.c
@@ -37,14 +37,6 @@ bool sightIsPropFriendly(struct prop *prop)
 		return false;
 	}
 
-	if (g_Vars.coopplayernum >= 0 && prop->type == PROPTYPE_PLAYER) {
-		return true;
-	}
-
-	if (g_Vars.antiplayernum >= 0 && prop->type == PROPTYPE_PLAYER) {
-		return false;
-	}
-
 	if (g_Vars.normmplayerisrunning == false
 			&& prop->chr
 			&& (prop->chr->hidden2 & CHRH2FLAG_BLUESIGHT)) {
@@ -1433,7 +1425,7 @@ Gfx *sightDraw(Gfx *gdl, bool sighton, s32 sight)
 	}
 #endif
 
-	if (PLAYERCOUNT() >= 2 && g_Vars.coopplayernum < 0 && g_Vars.antiplayernum < 0) {
+	if (PLAYERCOUNT() >= 2) {
 		sight = SIGHT_DEFAULT;
 	}
 
diff --git a/src/game/wallhitreset.c b/src/game/wallhitreset.c
index 11dd79b95..1eb82e062 100644
--- a/src/game/wallhitreset.c
+++ b/src/game/wallhitreset.c
@@ -35,8 +35,6 @@ void wallhitReset(void)
 
 	if (IS4MB()) {
 		type = 0;
-	} else if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && PLAYERCOUNT() == 2) {
-		type = 1;
 	} else if (PLAYERCOUNT() >= 2) {
 		type = 0;
 	}
@@ -54,18 +52,6 @@ void wallhitReset(void)
 		var8009cc74 = 15;
 		g_WallhitTargetBloodRatio = 0.3f;
 		break;
-	case 1:
-		// 2 player coop/anti
-		g_WallhitsMax = 200;
-		g_MinPropWallhits = 25;
-		g_MaxPropWallhits = 100;
-		g_MinBgWallhitsPerRoom = 4;
-		g_MaxBgWallhitsPerRoom = 40;
-		var8009cc6c = 80;
-		var8009cc70 = 20;
-		var8009cc74 = 30;
-		g_WallhitTargetBloodRatio = 0.4f;
-		break;
 	case 2:
 	default:
 		// 1 player 8MB
diff --git a/src/lib/main.c b/src/lib/main.c
index 8c1cbf8e8..a572028af 100644
--- a/src/lib/main.c
+++ b/src/lib/main.c
@@ -1176,28 +1176,7 @@ void mainLoop(void)
 			g_Vars.lvmpbotlevel = 1;
 		}
 
-		if (g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) {
-			g_MpSetup.chrslots = 0x03;
-			mpReset();
-		} else if (g_Vars.perfectbuddynum) {
-			mpReset();
-		} else if (g_Vars.mplayerisrunning == false
-				&& (numplayers >= 2 || g_Vars.lvmpbotlevel || argFindByPrefix(1, "-play"))) {
-			g_MpSetup.chrslots = 1;
-
-			if (numplayers >= 2) {
-				g_MpSetup.chrslots |= 1 << 1;
-			}
-
-			if (numplayers >= 3) {
-				g_MpSetup.chrslots |= 1 << 2;
-			}
-
-			if (numplayers >= 4) {
-				g_MpSetup.chrslots |= 1 << 3;
-			}
-
-			g_MpSetup.stagenum = g_StageNum;
+		if (g_Vars.perfectbuddynum) {
 			mpReset();
 		}
 
diff --git a/src/lib/music.c b/src/lib/music.c
index 5033d9701..8fcddcde0 100644
--- a/src/lib/music.c
+++ b/src/lib/music.c
@@ -1027,10 +1027,7 @@ void musicTick(void)
 	bool playnrg = false;
 
 	if (!g_SndDisabled) {
-		if (g_MusicDeathTimer240 > 0
-				&& (g_Vars.normmplayerisrunning
-					|| (g_Vars.antiplayernum >= 0 && !g_Vars.bond->isdead)
-					|| (g_Vars.coopplayernum >= 0 && (!g_Vars.bond->isdead || !g_Vars.coop->isdead)))) {
+		if (g_MusicDeathTimer240 > 0) {
 			// Someone is dying in MP, or anti is dying, or *one* person is dying in coop
 			g_MusicSilenceTimer60 = 0;
 			g_MusicDeathTimer240 -= g_Vars.lvupdate240;
diff --git a/src/lib/vi.c b/src/lib/vi.c
index 1c8c7746a..7e738586e 100644
--- a/src/lib/vi.c
+++ b/src/lib/vi.c
@@ -210,16 +210,6 @@ void viReset(s32 stagenum)
 			fbsize = 320 * 240;
 #endif
 			g_Vars.fourmeg2player = true;
-		} else if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && PLAYERCOUNT() == 2) {
-#if VERSION >= VERSION_JPN_FINAL
-			fbsize = 320 * 220 * 2;
-#elif VERSION >= VERSION_PAL_FINAL
-			fbsize = 320 * 266 * 2;
-#elif VERSION >= VERSION_PAL_BETA
-			fbsize = 320 * 252 * 2;
-#else
-			fbsize = 320 * 220 * 2;
-#endif
 		}
 	}
 
@@ -2526,18 +2516,7 @@ Gfx *viRenderViewportEdges(Gfx *gdl)
 	gDPSetScissor(gdl++, G_SC_NON_INTERLACE, 0, 0, viGetWidth(), viGetHeight());
 	gDPSetFillColor(gdl++, GPACK_RGBA5551(0, 0, 0, 1) << 16 | GPACK_RGBA5551(0, 0, 0, 1));
 
-#if VERSION >= VERSION_NTSC_1_0
-	if (PLAYERCOUNT() == 1
-			|| ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-				&& playerHasSharedViewport() && g_Vars.currentplayernum == 0))
-#else
-	if (PLAYERCOUNT() == 1
-			|| ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0)
-				&& (
-					(g_InCutscene && !g_MainIsEndscreen) || menuGetRoot() == MENUROOT_COOPCONTINUE
-					) && g_Vars.currentplayernum == 0))
-#endif
-	{
+	if (PLAYERCOUNT() == 1) {
 		// Single viewport
 		if (viGetViewTop() > 0) {
 			// Fill above