OS: Windows 98/ ME / 2000 / XP / Vista / 7 Processor: Pentium III 800 MH Memory: 128 MB Ram Hard Disk Space: 2 GB hard disk space Video Card: 4 MB DirectX-compatible Sound: DirectX 9.0c Compatible DirectX®: DirectX 9.0 or higher Additional: Mouse with scroll wheel, keyboard and internet for multiplayer