
Don't just defy gravity. Command it. Master the fundamental forces of gravity and save the world.
Minimum OS *:Windows XP, Vista, Windows 7 Processor:Intel Core2 Duo, AMD Athlon 64 X2, 2GHz Memory:2 GB RAM Graphics:NVIDIA Geforce 8800, ATI Radeon 2900 XT, 512 mb Graphics Memory DirectX®:9.0c Hard Drive:5 GB HD space Additional:Internet connection required for online matchmaking. Recommended OS *:Windows XP, Vista, Windows 7 Processor:Intel Core2 Quad, AMD Phenom X4 9950, 2.6GHz Memory:3 GB RAM Graphics:NVIDIA Geforce GTX 460, ATI Radeon 5850, 1gb Graphics Memory DirectX®:11 Hard Drive:5 GB HD space Additional:Internet connection required for online matchmaking.