Working with Game Center

Players, Scores, and Achievements are at the core of the Game Center experience. See how these ideas are expressed in the Game Kit framework and understand how your users will interact with your Game Center enabled app. Understand the process of authenticating a player, updating leaderboards, and managing achievements. Learn from a variety of usage scenarios that can help you enrich your game and keep bringing your players back for more.

WWDC 2011 - iOS