Talk:Game Updates/@comment-11515721-20131011145619/@comment-5037679-20131011154340

Apple changed how you switch game center accounts in ios 7. Here is a link to the Backflip support page that explains what you need to do. Hope that helps!

https://support.backflipstudios.com/entries/22685780-iOS-7-and-You-A-How-to-Guide-on-Updating-PLEASE-READ-