Steam account required for game activation and installation
Windows
MINIMUM:
OS: Windows 7
Processor: 2.0 GHz Dual core
Memory: 2 GB RAM
Graphics: Nvidia 8800 or ATI 2900
DirectX: Version 9.0c
Hard Drive: 3 GB available space
RECOMMENDED:
OS: Windows 7 or newer
Processor: 2.0 GHz Quad core or better
Memory: 4 GB RAM
Graphics: Nvidia 260 series or ATI 5850 or better
DirectX: Version 9.0c
Hard Drive: 3 GB available space
Additional Notes: Gamepad/Controller Recommended
Mac OS X
MINIMUM:
OS: OSX 10
Processor: Intel Core Duo Processor (2GHz)
Memory: 2 GB RAM
Graphics: 512 MB NVidia or ATI graphics card
Hard Drive: 3 GB available space
RECOMMENDED:
OS: OSX 10 or newer
Processor: Intel Core Duo Processor (2GHz or better)
Memory: 2 GB RAM
Graphics: 1024 MB NVidia or ATI graphics card
Hard Drive: 3 GB available space
Additional Notes: Gamepad/Controller Recommended
SteamOS + Linux
MINIMUM:
OS: Ubuntu 12.04
Processor: 2.0Ghz Dual Core
Memory: 2 GB RAM
Graphics: Shader Model 3.0, 256 MB VRAM
Hard Drive: 3 GB available space
RECOMMENDED:
OS: Ubuntu 12.04 or newer
Processor: 2.0Ghz Quad Core or better
Memory: 2 GB RAM
Graphics: Shader Model 3.0, 512 MB VRAM
Hard Drive: 3 GB available space
Additional Notes: Gamepad/Controller Recommended