Document Revision History
This table describes the changes to Game Center Programming Guide.
Added information on saving games and moved code examples to the appropriate API reference guides.
Added information on resolving turn-based exchanges.
Added information about leaderboard sets and exchanges.
Renamed to Game Center Programming Guide. Removed chapters not related to Game Center apps. Updated to include features added in iOS 5 and iOS 6. Also updated to include OS X support.
Added to the OS X Developer Library
Revised the process for authenticating the local player. Clarified many aspects of Game Center usage.
Clarified the requirements for performing server-based matchmaking. Improved the guidelines implementing voice chat in a Game Center application.
Updated to add Game Center classes.
Revised to include more conceptual material.
New document that describes how to use GameKit to implement local networking over Bluetooth as well as voice chat services over any network.