Game Center is an app released by Apple that allows users play and challenge friends when playing online multiplayer social gaming network games. Games can now share multiplayer functionality between the Mac and iOS versions of the app. 
|Game Center on OS X Yosemite.|
|Launch date||September 8, 2010; 7 years ago|
|Current version||11.0.3 (15A432) (October 11, 2017; 12 days ago) [±]|
|Platform||iOS 4 or later, OS X Mountain Lion or later|
|Operating system||macOS, iOS|
|Members||67 million (as of October 22, 2011)|
Game Center can be implemented by developers as of iOS 4.1 or later, and Mac OS X 10.8 or later, through the GameKit framework. Game Center is available on iPod Touch 2nd generation and later (iOS 4.1 or higher required); iPhone 3GS and later (iOS 4.1 or higher required); all models of the iPad (iOS 4.2 or higher required); Mac computers running OS X 10.8 Mountain Lion or later, Apple TV 4 running tvOS, and Apple Watchrunning watchOS 3.