Will my stats transfer over from the free to the paid version or vice versa?

Sorry, currently we do not store your local stats. The free and paid version operate independently and thus the scores cannot be transferred...

I purchased the ad free version but I see ads. What should I do?

The icons look very much alike, so it's possible to accidentally open the wrong version :) Besides the ads, there is also a small difference...

How do I sign out or change my nickname on Game Center?

On iOS 7 and higher, please follow these steps: Open the ‘Settings’ app on your deviceScroll down to the Game Center iconSign in/out by tapp...