Game Center 15.3

With Mountain Lion, the Game Center social gaming network is now on the Mac, so you can enjoy games with friends who have a Mac, iPhone, iPad or iPod touch. The new Game Center app lets you set up and personalise your gaming experience. Simply use your Apple ID to create your Game Center account or use your existing account from iOS. See the friends in your gaming network and check out leaderboards and achievements you’ve earned. You can even browse recommendations for new games you may like.