Game Center is Apple's social gaming network.
Game Center is an online multiplayer social gaming network released by Apple Inc. It allows users to invite friends to play a game, start a multiplayer game through matchmaking, track their achievements, and compare their high scores on a leader board. Game Center was originally announced on April 8, 2010, and became publicly available with the release of iOS 4.1 on September 8, and in November, became available in iOS 4.2 for iPad. The service underwent a major update in October 2011, for iOS 5, including support for turn-based matches.