Chapter 14. Game Center

Game Center is Apple's social network solution. It enables you to authenticate players, store their scores and display leaderboards, and track and display their achievement progress. Furthermore, players can invite friends to play or choose to quickly find a match to play a game with anyone.

In this chapter I'll not only introduce you to Game Center and the Game Kit API, but also the basics of online multiplayer programming, and of course, how to use Game Center together with cocos2d.

Since a lot of Apple's examples are intentionally incomplete, I'll be developing a GameKitHelper class in this chapter. This class will remove some of the complexities of Game Center programming from you. It will make it easier for you to use ...

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