OS: Windows 7, Windows Vista, Windows XP (SP2) Processor: 1.8 GHz Intel Core 2 Duo or better RAM: 1 GB for Windows XP or 2 GB for Windows 7/Windows Vista Graphics Card: 3D accelerated 256 MB video card with support for Pixel Shader 3.0 NVidia GeForce 6800 GT, ATI Radeon HD 3600, Intel's Sandy Bridge (HD Graphics 2000), and Ivy Bridge (HD Graphics 3000) or greater Graphics Memory: Direct X 9.0c Compatible or up Hard Drive: 8.0GB, with additional space required for saved games and DirectX 9.0c installation Input: Keyboard, Mouse, Dual Analogue gamepad, VOIP Headset