Windows
OS:Windows® XP (SP3) / Windows Vista® (SP2) / Windows® 7 (SP1) / Windows® 8 Processor:2.53 GHz Intel® Core™2 Duo E6400 or 2.80 GHz AMD Athlon™ 64 X2 5600+ or better Memory:2 GB RAM Graphics:512 MB DirectX® 10–compliant with Shader Model 4.0 or higher DirectX®:9 Hard Drive:25 GB HD space Sound:DirectX 10–compliant DirectX 9.0c–compliant Additional: Windows-compatible keyboard, mouse, headset, optional controller (Xbox 360 Controller for Windows recommended).