It’s easy to start playing iPhone and iPod touch games with friends — and soon-to-be-friends — from all over the world. Just follow these steps to create a Game Center account. Learn more about Game Center
Make sure you have an iPhone or iPod touch running iOS 4.1 or later.
Tap the Game Center icon on the Home screen.
Tap Create New Account and fill in your information.
Tap the Request tab and confirm your friend requests from the list.
Already have a Game Center account?
In order to confirm your friend requests, you’ll need to make sure the email address where you receive these requests is added to your Game Center account. You can do this via the Game Center app on your iPhone or iPod touch.
To add a new email address to your account, tap the Me button in Game Center and tap the yellow banner with your name and email address. Then tap View Account. Under the Find Me By Email section, tap Add Another Email.