Operating system:Windows® XP Processor: Intel® 2 GHz dual core CPU Memory: 2 GB Video: Nvidia GeForce 8600+ / AMD Radeon HD X2600+ Internet:Broadband Internet Connection DirectX®: DirectX® 9.0c Hard disk space: 16 GB Sound: DirectX® compatible Onboard Soundcard Supported Input Devices: Keyboard, Joystick, XBox Controller, Gamepad, Microsoft Controller for Windows Additional Notes: Also supports Razer Hydra.