Operating System: Microsoft® Windows® XP/Vista Processor: AMD® Athlon® 64 2.2 GHz or equivalent Memory: 1024 MB RAM Hard Disk Space: 300 MB Available HDD Space Video Card: Nvidia® Geforce® 7600 256 MB or equivalent, (ATI® 2400 worked just as well) Sound Card: DirectX® Compatible DirectX® Version: DirectX® 9.0c Controller Support: Xbox 360 controller and other DirectInput supported controller