This update from Apple will improve the functionality of this app. No new features are included.

Bug fix

Stability improvements
New tutorial

+ Fixes bugs in unlocking some abilities
+ Fixes bugs in the effects of abilities
+ Performance improvements

+ Minor bug fixes
+ Performance improvements

+ Fixed memory related crashes
+ Important bug fixes

+ Save your game
+ Frenzy mode!
+ Share your scores

+ Have a last chance to end the human race
+ Bug fixes
+ Performance improvements

+ Bug fixes
+ Performance improvements