How to Disable Game Center on iPhone Latest update on Natalia Kudryavtseva . Game Center is a service that was previously a standalone app built-in into your iPhone aiming to help you to manage your video games and discover new ones. It still remains on earlier iPhone and iPad versions. If you don’t use it, you can easily be disturbed by Game Center login pop-ups. Don’t worry, you can quickly turn it off. In this article, we will explain to you how to disable the Game Center on iOS. How to Disable Game Center First of all, you need to sign out from Game Center in settings (as the app no longer exists) and this will automatically disable Game Center on your device until you sign-in again.