Board Thread:General Discussion/@comment-24715973-20140526003125/@comment-10427184-20140526094356

Danial.dali.37 wrote: My friend told me that the reason is because most people login to gamecenter.Gamecenter has a bug that makes you lose your progress.And nerf,I hope this helped you.

Danialdali No it doesn't. I've had GC on my games for a long time, and I haven't had a single progress loss.