OS: Windows XP (Service Pack 3) / Windows Vista (Service Pack 2) / Windows 7 Processor: 1.6GHz Intel Core2 or faster/AMD X2 3800+ or faster Memory: (Windows XP) 1 GB RAM; (Windows Vista/Windows 7) 1.5 GB RAM Graphics: 256 MB Video Card, with support for Pixel Shader 3.0* DirectX®: DirectX 9.0c compatible Hard Drive: 6 GB Sound: DirectX 9.0c compatible Controller Support: USB Steering Wheel/Dual Analog Gamepad Online Multiplayer: 512 Kbps or faster; 2-8 players