@2uyzi5bnb2wv Does the new city start the first time you open a freshly installed game? I believe that is intended behavior and you can sync your city when you get the option to log in.
I sync my game through Facebook. When I want to restore my city I have to go through the tutorial on a new city, and I get the option to log in sometime after the game explains Daniel's City. After that, my main city gets restored.
The same should work for Game Center too, since both login options are located in the same Settings menu. If it does not, and after logging in to Game Center you still don't see your city, please reach out to the SimCity help desk.
