How is my progress saved, and do I need Game Center?
Quick answer
Your bests, points, achievements and rank save on your phone and to your own iCloud. Leaderboards and online versus need Game Center; everything else works without it.
What saves where
- Your bests, points, achievements and rank save on your phone and to your own iCloud.
- A new phone on the same Apple Account picks them up.
- Style choices are kept per phone.
Game Center
- World leaderboards, level boards and online versus use Game Center.
- Sign in under iPhone Settings › Game Center.
Without Game Center
- Still works: every game, the daily challenge, achievements, unlocks and same-phone versus.