Fix pause menu can only be displayed after game started

Assets/Game Manager/Game Manager.cs

@@ -7,6 +7,9 @@ public class GameManager : MonoBehaviour
     public static int MinautorKills = 0;
     public static int BringerOfDeathKills = 0;
 
+    // Can pause menu
+    public static bool GameStarted = false;
+
     private void Awake()
     {
         DontDestroyOnLoad(gameObject);