diff --git a/data/status_query.yml b/data/status_query.yml
index 0f213d13..d39c2cb7 100644
--- a/data/status_query.yml
+++ b/data/status_query.yml
@@ -197,7 +197,7 @@ query::CheckWeather:
 query::CompareGameDataFloat:
   status: done
 query::CompareGameDataInt:
-  status: pending
+  status: done
 query::CompareGameDataTime:
   status: pending
 query::ComparePlayerFireResistantLevel:
diff --git a/data/uking_functions.csv b/data/uking_functions.csv
index 5bf277eb..1a0c3db3 100644
--- a/data/uking_functions.csv
+++ b/data/uking_functions.csv
@@ -41239,7 +41239,7 @@
 0x0000007100697ca4,AI_Query_CompareGameDataInt::ctor,80,_ZN5uking5query18CompareGameDataIntC1ERKN4ksys3act2ai5Query7InitArgE
 0x0000007100697cf4,AI_Query_CompareGameDataInt::dtor,20,_ZN5uking5query18CompareGameDataIntD1Ev
 0x0000007100697d08,AI_Query_CompareGameDataInt::dtorDelete,52,_ZN5uking5query18CompareGameDataIntD0Ev
-0x0000007100697d3c,AI_Query_CompareGameDataInt::doQuery,1216,
+0x0000007100697d3c,AI_Query_CompareGameDataInt::doQuery,1216,_ZN5uking5query18CompareGameDataInt7doQueryEv
 0x00000071006981fc,AI_Query_CompareGameDataInt::m10,140,_ZN5uking5query18CompareGameDataInt10loadParamsERKN4evfl8QueryArgE
 0x0000007100698288,AI_Query_CompareGameDataInt::loadParams,128,_ZN5uking5query18CompareGameDataInt10loadParamsEv
 0x0000007100698308,AI_Query_CompareGameDataInt::rtti1,204,_ZNK5uking5query18CompareGameDataInt27checkDerivedRuntimeTypeInfoEPKN4sead15RuntimeTypeInfo9InterfaceE
diff --git a/src/Game/AI/Query/queryCompareGameDataInt.cpp b/src/Game/AI/Query/queryCompareGameDataInt.cpp
index ed30a99e..429f058e 100644
--- a/src/Game/AI/Query/queryCompareGameDataInt.cpp
+++ b/src/Game/AI/Query/queryCompareGameDataInt.cpp
@@ -1,5 +1,7 @@
 #include "Game/AI/Query/queryCompareGameDataInt.h"
 #include <evfl/query.h>
+#include <functional>
+#include "KingSystem/GameData/gdtManager.h"
 
 namespace uking::query {
 
@@ -7,9 +9,35 @@ CompareGameDataInt::CompareGameDataInt(const InitArg& arg) : ksys::act::ai::Quer
 
 CompareGameDataInt::~CompareGameDataInt() = default;
 
-// FIXME: implement
 int CompareGameDataInt::doQuery() {
-    return -1;
+    int flag_value_a = 0;
+    int flag_value_b = 0;
+
+    auto* gdt = ksys::gdt::Manager::instance();
+    if (!gdt)
+        return 0;
+    if (!gdt->getParamBypassPerm().get().getS32(&flag_value_a, mGameDataIntName_A))
+        return 0;
+    if (!gdt->getParamBypassPerm().get().getS32(&flag_value_b, mGameDataIntName_B))
+        return 0;
+
+    const auto invert = std::logical_not<>();
+
+    sead::FixedSafeString<32> op = mOperator;
+    if (op == "Equal")
+        return invert(flag_value_a == flag_value_b);
+    if (op == "NotEqual")
+        return invert(flag_value_a != flag_value_b);
+    if (op == "GreaterThan")
+        return invert(flag_value_a > flag_value_b);
+    if (op == "GreaterThanOrEqualTo")
+        return invert(flag_value_a >= flag_value_b);
+    if (op == "LessThan")
+        return invert(flag_value_a < flag_value_b);
+    if (op == "LessThanOrEqualTo")
+        return invert(flag_value_a <= flag_value_b);
+
+    return 0;
 }
 
 void CompareGameDataInt::loadParams(const evfl::QueryArg& arg) {
diff --git a/src/Game/AI/Query/queryCompareGameDataInt.h b/src/Game/AI/Query/queryCompareGameDataInt.h
index b0a70a03..6fafd875 100644
--- a/src/Game/AI/Query/queryCompareGameDataInt.h
+++ b/src/Game/AI/Query/queryCompareGameDataInt.h
@@ -16,8 +16,8 @@ public:
 
 protected:
     sead::SafeString mGameDataIntName_A{};
-    sead::SafeString mGameDataIntName_B{};
     sead::SafeString mOperator{};
+    sead::SafeString mGameDataIntName_B{};
 };
 
 }  // namespace uking::query