diff --git a/CollapseLauncher/MainPage.xaml.cs b/CollapseLauncher/MainPage.xaml.cs
index 25ff45a67..e37db74c3 100644
--- a/CollapseLauncher/MainPage.xaml.cs
+++ b/CollapseLauncher/MainPage.xaml.cs
@@ -43,6 +43,8 @@ public MainPage()
 
                 LauncherUpdateWatcher.StartCheckUpdate();
 
+                Task.Run(() => CheckRunningGameInstance());
+
                 InitializeStartup().GetAwaiter();
             }
             catch (Exception ex)
@@ -52,6 +54,16 @@ public MainPage()
             }
         }
 
+        private async void CheckRunningGameInstance()
+        {
+            while (true && !App.IsAppKilled)
+            {
+                string execName = Path.GetFileNameWithoutExtension(CurrentRegion.GameExecutableName);
+                App.IsGameRunning = Process.GetProcessesByName(execName).Length != 0 && !App.IsAppKilled;
+                await Task.Delay(3000);
+            }
+        }
+
         private void NotificationInvoker_EventInvoker(object sender, NotificationInvokerProp e)
         {
             SpawnNotificationPush(e.Notification.Title, e.Notification.Message, e.Notification.Severity,