Windows
    OS: Windows XP SP2, Windows Vista, Windows 7
    Processor: Pentium IV 3.2Ghz, or any dual core processor
    Memory: 1GB (XP), 1.5GB (Vista), 1.5 GB (Windows 7)
    Hard Disk  Space: 8.5GB space free
    Video Card: 128 MB Video Card using Shader Model 3 (Nvidia GeForce 6600 GT / ATI X1600)
    Other: Online Steam Account