Windows
OS: Windows XP® or Windows Vista® Processor: Intel Pentium 4 3GHz or AMD Athlon 64 3000+ Memory: 256 MB RAM, 512 MB for Vista Graphics: 128 MB with Shader Model 2.0 capability DirectX®: 9.0c (March 2009) Hard Drive: 2.5GB free hard drive space Sound: DirectX® 9.0c compliant sound card Controller support: Xbox 360 controller