Steam account required for game activation and installation
PC System Requirements
MINIMUM:
OS:Windows XP SP3 (32 bit) / Vista
Processor:Intel(R) Core(TM)2 Duo 2.4, AMD Athlon(TM) X2 2.8 Ghz
Memory:2 GB RAM
Graphics:Geforce 9600 GS, Radeon HD4000, Shader Model 3.0, 512 MB
DirectX®:9.0c
Hard Drive:3 GB HD space
Sound:DirectX compatible
MAC System Requirements
MINIMUM:
OS:10.6
Processor:Intel(R) Core(TM)2 Duo 2.4, AMD Athlon(TM) X2 2.8 Ghz
Memory:2 GB RAM
Graphics:Geforce 9600 GS, Radeon HD4000, Shader Model 3.0, 512 MB
Hard Drive:3 GB HD space
Sound:Integrated
Linux System Requirements
MINIMUM:
OS:Ubuntu 12.04
Processor:Intel(R) Core(TM)2 Duo 2.4, AMD Athlon(TM) X2 2.8 Ghz
Memory:2 GB RAM
Graphics:Geforce 9600 GS, Radeon HD4000, Shader Model 3.0, 512 MB
Hard Drive:3 GB HD space