diff --git a/Config/DefaultEngine.ini b/Config/DefaultEngine.ini
index 07fabaa..7933311 100644
--- a/Config/DefaultEngine.ini
+++ b/Config/DefaultEngine.ini
@@ -2,6 +2,8 @@
 
 [/Script/EngineSettings.GameMapsSettings]
 GameDefaultMap=/Engine/Maps/Templates/OpenWorld
+GameInstanceClass=/Game/Gamemodes/BP_TankGameinstance.BP_TankGameinstance_C
+GlobalDefaultGameMode=/Game/Gamemodes/BP_TankGamemode.BP_TankGamemode_C
 
 [/Script/WindowsTargetPlatform.WindowsTargetSettings]
 DefaultGraphicsRHI=DefaultGraphicsRHI_DX12