Steam account required for game activation and installation
PC System Requirements
MINIMUM:
OS Version: Windows Vista SP2
Processor: 2.2 GHz Dual Core CPU
Memory: 2 GB RAM
Graphics:ATI Radeon HD 3400 Series, GeForce 8600 GS
DirectX Version: Version 9.0c
Disk Space: 400 MB available disk space
Sound Card: DirectX 9.0c Compatible Sound Card with Latest Drivers
Mac System Requirements
MINIMUM:
OS Version: Mac OS X 10.10
Processor: 2.0 GHz Dual Core CPU
Memory: 4 GB RAM
Graphics: Intel HD 4000, Nvidia Geforce 9400M or AMD HD 4700 Graphics Card
Disk Space: 600 MB available disk space
Sound Card: Mac OS X Compatible Sound Card
Linux System Requirements
MINIMUM:
OS Version: Ubuntu 12.04
Processor: 2.2 GHz Dual Core CPU
Memory: 2 GB RAM
Graphics: GeForce 8600 GS, ATI Radeon HD 3600 Series with proprietary drivers!
Disk Space: 510 MB available disk space
Sound Card: Sound Card with Latest Drivers
Language Support:
Interface: English, German, French, Spanish, Japanese, Korean, Portuguese-Brazil, Russian, Simplified Chinese, Turkish