hello

hey there sorry for that but it important for me .... i play game called iron force and i pay much for this game with my real money and now i have problem with game center cuz my apple ipad stolen and there is my game center open and open the game there ... is there anyways i can make to sign out my game center there?

i already change password and everything but the old stolen device still open my game there .... i hope u answer me for that and thanks