System requirements CPU: Intel Core/Pentium 4/AMD Athlon 2 GHz or equivalent (3 GHz recommended) RAM: 512 MB (1 GB Recommended) Video Card: 128MB DirectX compliant video card, Pixel shader 2.0 and above, only Ati and Nvidia chipsets are supported (256 MB of memory recommended) Sound Card: OpenAL compatible (full OpenAL hardware acceleration capable card recommended) Hard Drive space: 2 GB of free space is required to install and play the demo Internet connection: 256kbit Cable/DSL connection download