1. Explain Explain Game Center in OS X Mountain Lion?

The Game Center application from iOS was added in OS X Mountain Lion. It is an online multiplayer social-gaming network, and 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.

2. What is OS X Mountain Lion Latest stable release?

Latest stable release for OS X Mountain Lion is 10.8.5 (Build 12F37) and its released September 12, 2013

3. What is OS X Mountain Lion System requirements?

The most basic system requirements of OS X Mountain Lion are 2 GB of RAM, 8 GB of available storage, and OS X 10.6.8 or later. The earliest models supported in Mountain Lion are the mid-2007 iMac, late 2008 aluminum or early 2009 unibody polycarbonate MacBook, mid-2007 MacBook Pro, late 2008 MacBook Air, early 2009 Mac Mini, early 2008 Mac Pro, or early 2009 Xserve.

4. What is OS X Mountain Lion?

OS X Mountain Lion is an operating system for Apple Inc.'s desktop and server operating system for Macintosh computers.