diff --git a/contributors.md b/contributors.md
index 4aaa035b5c..244a5e9921 100644
--- a/contributors.md
+++ b/contributors.md
@@ -232,6 +232,7 @@ Appreciation for contributors who have provided substantial work, but are no lon
 * Wenzhao Qiu (qwzhaox)
 * Michael Bernardi (mrmbernardi)
 * Aram Kazorian (aramk-hub)
+* Harry Hopkinson (Harry-Hopkinson)
 
 ## Toolchain
 * (Balletie) - macOS
diff --git a/src/openrct2/Editor.cpp b/src/openrct2/Editor.cpp
index 4bb5118f7b..6452bf901c 100644
--- a/src/openrct2/Editor.cpp
+++ b/src/openrct2/Editor.cpp
@@ -320,7 +320,7 @@ namespace Editor
         ResetAllEntities();
         UpdateConsolidatedPatrolAreas();
         gNumGuestsInPark = 0;
-        gNumGuestsHeadingForPark = 0;
+        gameState.NumGuestsHeadingForPark = 0;
         gNumGuestsInParkLastWeek = 0;
         gGuestChangeModifier = 0;
         if (fromSave)
diff --git a/src/openrct2/Game.cpp b/src/openrct2/Game.cpp
index 114b34f7df..f646437b6c 100644
--- a/src/openrct2/Game.cpp
+++ b/src/openrct2/Game.cpp
@@ -349,6 +349,8 @@ void RCT2StringToUTF8Self(char* buffer, size_t length)
 
 static void FixGuestsHeadingToParkCount()
 {
+    auto& gameState = GetGameState();
+
     uint32_t guestsHeadingToPark = 0;
 
     for (auto* peep : EntityList<Guest>())
@@ -359,12 +361,13 @@ static void FixGuestsHeadingToParkCount()
         }
     }
 
-    if (gNumGuestsHeadingForPark != guestsHeadingToPark)
+    if (gameState.NumGuestsHeadingForPark != guestsHeadingToPark)
     {
-        LOG_WARNING("Corrected bad amount of guests heading to park: %u -> %u", gNumGuestsHeadingForPark, guestsHeadingToPark);
+        LOG_WARNING(
+            "Corrected bad amount of guests heading to park: %u -> %u", gameState.NumGuestsHeadingForPark, guestsHeadingToPark);
     }
 
-    gNumGuestsHeadingForPark = guestsHeadingToPark;
+    gameState.NumGuestsHeadingForPark = guestsHeadingToPark;
 }
 
 static void FixGuestCount()
diff --git a/src/openrct2/GameState.h b/src/openrct2/GameState.h
index 037aa48297..f42db06b74 100644
--- a/src/openrct2/GameState.h
+++ b/src/openrct2/GameState.h
@@ -47,6 +47,7 @@ namespace OpenRCT2
         uint8_t GuestInitialHunger;
         uint8_t GuestInitialThirst;
         uint32_t NextGuestNumber;
+        uint32_t NumGuestsHeadingForPark;
         money64 WeeklyProfitAverageDividend;
         uint16_t WeeklyProfitAverageDivisor;
         money64 WeeklyProfitHistory[FINANCE_GRAPH_SIZE];
diff --git a/src/openrct2/entity/Guest.h b/src/openrct2/entity/Guest.h
index 7c92c54976..6277fe062c 100644
--- a/src/openrct2/entity/Guest.h
+++ b/src/openrct2/entity/Guest.h
@@ -463,7 +463,6 @@ enum
 extern uint8_t gGuestChangeModifier;
 extern uint32_t gNumGuestsInPark;
 extern uint32_t gNumGuestsInParkLastWeek;
-extern uint32_t gNumGuestsHeadingForPark;
 
 void PeepThoughtSetFormatArgs(const PeepThought* thought, Formatter& ft);
 
diff --git a/src/openrct2/entity/Peep.cpp b/src/openrct2/entity/Peep.cpp
index 35e3ddb3b8..07d13750b4 100644
--- a/src/openrct2/entity/Peep.cpp
+++ b/src/openrct2/entity/Peep.cpp
@@ -69,7 +69,6 @@ using namespace OpenRCT2::Audio;
 uint8_t gGuestChangeModifier;
 uint32_t gNumGuestsInPark;
 uint32_t gNumGuestsInParkLastWeek;
-uint32_t gNumGuestsHeadingForPark;
 
 uint8_t gPeepWarningThrottle[16];
 
@@ -2646,9 +2645,11 @@ void IncrementGuestsInPark()
 
 void IncrementGuestsHeadingForPark()
 {
-    if (gNumGuestsHeadingForPark < UINT32_MAX)
+    auto& gameState = GetGameState();
+
+    if (gameState.NumGuestsHeadingForPark < UINT32_MAX)
     {
-        gNumGuestsHeadingForPark++;
+        gameState.NumGuestsHeadingForPark++;
     }
     else
     {
@@ -2670,9 +2671,11 @@ void DecrementGuestsInPark()
 
 void DecrementGuestsHeadingForPark()
 {
-    if (gNumGuestsHeadingForPark > 0)
+    auto& gameState = GetGameState();
+
+    if (gameState.NumGuestsHeadingForPark > 0)
     {
-        gNumGuestsHeadingForPark--;
+        gameState.NumGuestsHeadingForPark--;
     }
     else
     {
diff --git a/src/openrct2/park/ParkFile.cpp b/src/openrct2/park/ParkFile.cpp
index 9d50aa6168..ba04ad55ec 100644
--- a/src/openrct2/park/ParkFile.cpp
+++ b/src/openrct2/park/ParkFile.cpp
@@ -888,7 +888,7 @@ namespace OpenRCT2
                     cs.ReadWrite(gCompanyValue);
                     cs.ReadWrite(gameState.ParkSize);
                     cs.ReadWrite(gNumGuestsInPark);
-                    cs.ReadWrite(gNumGuestsHeadingForPark);
+                    cs.ReadWrite(gameState.NumGuestsHeadingForPark);
                     cs.ReadWrite(gameState.ParkRating);
                     cs.ReadWrite(gParkRatingCasualtyPenalty);
                     cs.ReadWrite(gCurrentExpenditure);
diff --git a/src/openrct2/rct2/S6Importer.cpp b/src/openrct2/rct2/S6Importer.cpp
index a9bd8b5e95..21d13370c2 100644
--- a/src/openrct2/rct2/S6Importer.cpp
+++ b/src/openrct2/rct2/S6Importer.cpp
@@ -289,7 +289,7 @@ namespace RCT2
             // _s6.ResearchedTrackTypesB
 
             gNumGuestsInPark = _s6.GuestsInPark;
-            gNumGuestsHeadingForPark = _s6.GuestsHeadingForPark;
+            gameState.NumGuestsHeadingForPark = _s6.GuestsHeadingForPark;
 
             for (size_t i = 0; i < Limits::ExpenditureTableMonthCount; i++)
             {
diff --git a/src/openrct2/world/Park.cpp b/src/openrct2/world/Park.cpp
index d9c0d8a572..6bd3ffcc37 100644
--- a/src/openrct2/world/Park.cpp
+++ b/src/openrct2/world/Park.cpp
@@ -260,7 +260,7 @@ void Park::Initialise()
     gStaffSecurityColour = COLOUR_YELLOW;
     gNumGuestsInPark = 0;
     gNumGuestsInParkLastWeek = 0;
-    gNumGuestsHeadingForPark = 0;
+    gameState.NumGuestsHeadingForPark = 0;
     gGuestChangeModifier = 0;
     gameState.ParkRating = 0;
     _guestGenerationProbability = 0;
@@ -606,7 +606,7 @@ uint32_t Park::CalculateGuestGenerationProbability() const
     uint32_t probability = 50 + std::clamp(gameState.ParkRating - 200, 0, 650);
 
     // The more guests, the lower the chance of a new one
-    uint32_t numGuests = gNumGuestsInPark + gNumGuestsHeadingForPark;
+    uint32_t numGuests = gNumGuestsInPark + gameState.NumGuestsHeadingForPark;
     if (numGuests > _suggestedGuestMaximum)
     {
         probability /= 4;