diff --git a/src/openrct2-ui/windows/EditorObjectSelection.cpp b/src/openrct2-ui/windows/EditorObjectSelection.cpp
index 6c84790ced..2cda11bd12 100644
--- a/src/openrct2-ui/windows/EditorObjectSelection.cpp
+++ b/src/openrct2-ui/windows/EditorObjectSelection.cpp
@@ -1431,10 +1431,13 @@ static bool filter_source(const ObjectRepositoryItem * item)
     if (_FILTER_ALL)
         return true;
 
-    uint8_t source = item->Sources[0];
-    uint8_t secondSource = item->Sources[1];
+    for (auto source: item->Sources)
+    {
+        if (sources_match(source))
+            return true;
+    }
 
-    return sources_match(source) || (secondSource != OBJECT_SOURCE_CUSTOM && sources_match(secondSource));
+    return false;
 }
 
 static bool filter_chunks(const ObjectRepositoryItem* item)
diff --git a/src/openrct2/object/Object.cpp b/src/openrct2/object/Object.cpp
index 401c6b139c..287f3a31d5 100644
--- a/src/openrct2/object/Object.cpp
+++ b/src/openrct2/object/Object.cpp
@@ -24,11 +24,10 @@ Object::Object(const rct_object_entry& entry)
     char name[DAT_NAME_LENGTH + 1] = { 0 };
     std::copy_n(entry.name, DAT_NAME_LENGTH, name);
     _identifier = String::Duplicate(name);
-    _secondSourceGame = OBJECT_SOURCE_CUSTOM;
 
     if (IsOpenRCT2OfficialObject())
     {
-        SetSourceGame(OBJECT_SOURCE_OPENRCT2_OFFICIAL);
+        SetSourceGames({ OBJECT_SOURCE_OPENRCT2_OFFICIAL });
     }
 }
 
@@ -84,24 +83,14 @@ rct_object_entry Object::CreateHeader(const char name[DAT_NAME_LENGTH + 1], uint
     return header;
 }
 
-uint8_t Object::GetSourceGame()
+std::vector<uint8_t> Object::GetSourceGames()
 {
-    return _sourceGame;
+    return _sourceGames;
 }
 
-void Object::SetSourceGame(const uint8_t sourceGame)
+void Object::SetSourceGames(std::vector<uint8_t> sourceGames)
 {
-    _sourceGame = sourceGame;
-}
-
-uint8_t Object::GetSecondSourceGame()
-{
-    return _secondSourceGame;
-}
-
-void Object::SetSecondSourceGame(const uint8_t sourceGame)
-{
-    _secondSourceGame = sourceGame;
+    _sourceGames = sourceGames;
 }
 
 bool Object::IsOpenRCT2OfficialObject()
diff --git a/src/openrct2/object/Object.h b/src/openrct2/object/Object.h
index 31a2be48d7..13a57481aa 100644
--- a/src/openrct2/object/Object.h
+++ b/src/openrct2/object/Object.h
@@ -153,12 +153,12 @@ interface IReadObjectContext
 class Object
 {
 private:
+<<<<<<< HEAD
     char* _identifier;
     rct_object_entry _objectEntry{};
     StringTable _stringTable;
     ImageTable _imageTable;
-    uint8_t _sourceGame = OBJECT_SOURCE_CUSTOM;
-    uint8_t _secondSourceGame = OBJECT_SOURCE_CUSTOM;
+    std::vector<uint8_t> _sourceGames;
 
 protected:
     StringTable& GetStringTable()
@@ -216,10 +216,8 @@ public:
     virtual void SetRepositoryItem(ObjectRepositoryItem* /*item*/) const
     {
     }
-    uint8_t GetSourceGame();
-    void SetSourceGame(uint8_t sourceGame);
-    uint8_t GetSecondSourceGame();
-    void SetSecondSourceGame(uint8_t sourceGame);
+    std::vector<uint8_t> GetSourceGames();
+    void SetSourceGames(std::vector<uint8_t> sourceGames);
 
     const ImageTable& GetImageTable() const
     {
diff --git a/src/openrct2/object/ObjectFactory.cpp b/src/openrct2/object/ObjectFactory.cpp
index 997432a246..9b4a3f2808 100644
--- a/src/openrct2/object/ObjectFactory.cpp
+++ b/src/openrct2/object/ObjectFactory.cpp
@@ -221,7 +221,7 @@ namespace ObjectFactory
             {
                 throw std::runtime_error("Object has errors");
             }
-            result->SetSourceGame(object_entry_get_source_game_legacy(&entry));
+            result->SetSourceGames({ object_entry_get_source_game_legacy(&entry) });
         }
         catch (const std::exception&)
         {
@@ -254,7 +254,7 @@ namespace ObjectFactory
             }
             else
             {
-                result->SetSourceGame(object_entry_get_source_game_legacy(entry));
+                result->SetSourceGames({ object_entry_get_source_game_legacy(entry) });
             }
         }
         return result;
@@ -420,19 +420,23 @@ namespace ObjectFactory
                 auto sourceGames = json_object_get(jRoot, "sourceGame");
                 if (json_is_array(sourceGames))
                 {
-                    auto sourceGame = json_string_value(json_array_get(sourceGames, 0));
-                    auto secondSourceGame = json_string_value(json_array_get(sourceGames, 1));
-                    result->SetSourceGame(ParseSourceGame(sourceGame));
-                    result->SetSecondSourceGame(ParseSourceGame(secondSourceGame));
+                    std::vector<uint8_t> sourceGameVector;
+                    for (size_t j = 0; j < json_array_size(sourceGames); j++)
+                    {
+                        sourceGameVector.push_back(
+                            ParseSourceGame(json_string_value(json_array_get(sourceGames, j))));
+                    }
+                    result->SetSourceGames(sourceGameVector);
                 }
                 else if (json_is_string(sourceGames))
                 {
                     auto sourceGame = json_string_value(sourceGames);
-                    result->SetSourceGame(ParseSourceGame(sourceGame));
+                    result->SetSourceGames({ ParseSourceGame(sourceGame) });
                 }
                 else
                 {
                     log_error("Object %s has an incorrect sourceGame parameter.", id);
+                    result->SetSourceGames({ OBJECT_SOURCE_CUSTOM });
                 }
             }
         }
diff --git a/src/openrct2/object/ObjectRepository.cpp b/src/openrct2/object/ObjectRepository.cpp
index 8b8f160389..94df82e747 100644
--- a/src/openrct2/object/ObjectRepository.cpp
+++ b/src/openrct2/object/ObjectRepository.cpp
@@ -112,8 +112,7 @@ public:
             item.ObjectEntry = *object->GetObjectEntry();
             item.Path = path;
             item.Name = object->GetName();
-            item.Sources[0] = object->GetSourceGame();
-            item.Sources[1] = object->GetSecondSourceGame();
+            item.Sources = object->GetSourceGames();
             object->SetRepositoryItem(&item);
             delete object;
             return std::make_tuple(true, item);
@@ -127,7 +126,12 @@ protected:
         stream->WriteValue(item.ObjectEntry);
         stream->WriteString(item.Path);
         stream->WriteString(item.Name);
-        stream->WriteArray(item.Sources, 2);
+        uint8_t sourceLength = (uint8_t)item.Sources.size();
+        stream->WriteValue(sourceLength);
+        for (auto source : item.Sources)
+        {
+            stream->WriteValue(source);
+        }
 
         switch (object_entry_get_type(&item.ObjectEntry))
         {
@@ -160,10 +164,12 @@ protected:
         item.ObjectEntry = stream->ReadValue<rct_object_entry>();
         item.Path = stream->ReadStdString();
         item.Name = stream->ReadStdString();
-        auto sources = stream->ReadArray<uint8_t>(2);
-        item.Sources[0] = sources[0];
-        item.Sources[1] = sources[1];
-        Memory::Free(sources);
+        auto sourceLength = stream->ReadValue<uint8_t>();
+        for (size_t i = 0; i < sourceLength; i++)
+        {
+            auto value = stream->ReadValue<uint8_t>();
+            item.Sources.push_back(value);
+        }
 
         switch (object_entry_get_type(&item.ObjectEntry))
         {
diff --git a/src/openrct2/object/ObjectRepository.h b/src/openrct2/object/ObjectRepository.h
index 037cdbd564..5317c43da6 100644
--- a/src/openrct2/object/ObjectRepository.h
+++ b/src/openrct2/object/ObjectRepository.h
@@ -36,7 +36,7 @@ struct ObjectRepositoryItem
     rct_object_entry ObjectEntry;
     std::string Path;
     std::string Name;
-    uint8_t Sources[2];
+    std::vector<uint8_t> Sources;
     Object* LoadedObject{};
     struct
     {