Peripherals: Keyboard and mouse or Windows compatible gamepad
Other Requirements: Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game)include nVidia PhysX_drivers 10.04.02_9.10.0522and nVidia GPU drivers 197.13 or latest, Steam Client and Microsoft DirectX.
RECOMMENDED:
OS: Microsoft Windows XP (SP2 or later) / Windows Vista / Windows 7
Processor: 2.4 GHz Quad Core processor
RAM: 2GB
Hard Disk Space: 10GB
Video Card: nVidia GeForce 9800 GTX / ATI Radeon HD 3870 or better