In case a game is stuck, open a Task Manager by pressing Alt + F4 or Ctrl + Shift + Esc and terminate it. They might have to switch screens using windows key + Tab in some games followed by a force quit of windows games.
For more read - https://datarecovee.com/how-to-force-quit-on-windows/
For more read - https://datarecovee.com/how-to-force-quit-on-windows/
