OS: Windows XP/Vista/7 Processor: Intel Core2 Duo or AMD Athlon 64 X2, 2GHz RAM: 2GB RAM Hard Drive: 5GB available space Video Card: NVIDIA Geforce 8800 or ATI Radeon 2900 XT DirectX: Version 9.0c Inversion PC Game Free Download Full Version - 53Inversion PC Game Free Download Full Version - 47Inversion PC Game Free Download Full Version - 52Inversion PC Game Free Download Full Version - 78