Minimum System Requirements
Windows
OS:
Windows XP Service Pack 3
Processor:
1.7 GHz Dual Core
Memory:
2 GB RAM
Graphics:
NVIDIA GeForce GTX 260, ATI Radeon 4870 HD, Intel HD 3000, or equivalent card with at least 512 MB VRAM
Storage:
2500 MB available space
Notes:
Version 9.0; DirectX Compatible Sound Card; Must have OpenGL 3 with GLSL version 1.3
macOS
OS:
Snow Leopard 10.6.8 or later
Processor:
Intel Core Duo
Memory:
2 GB RAM
Graphics:
ATI Radeon HD 4850, NVIDIA GeForce GT 120, Intel HD 3000, or equivalent card with at least 512 MB VRAM
Storage:
2500 MB available space
Notes:
Must have OpenGL 3 with GLSL version 1.3
Linux
OS:
Ubuntu 12.04 LTS
Processor:
1.7 GHz Dual Core
Memory:
2 GB RAM
Graphics:
NVIDIA GeForce GTX 260, ATI Radeon 4870 HD, Intel HD 4000, or equivalent card with at least 512 MB VRAM
Storage:
2500 MB available space
Notes:
Must have OpenGL 3 with GLSL version 1.3
Recommended System Requirements
Windows
OS:
Windows 7
Processor:
Intel Core 2 Duo at 2.2 GHz, AMD Athlon 64 2.2Ghz
Memory:
3 GB RAM
Graphics:
NVIDIA GeForce GTX 460, AMD Radeon HD 6850
Storage:
2500 MB available space
Notes:
Version 11; DirectX Compatible Sound Card; Must have OpenGL 3 with GLSL version 1.3. Some users may need to disable Steam overlay.
macOS
OS:
Lion 10.7.X
Processor:
Intel Core i series processor
Memory:
4 GB RAM
Graphics:
AMD Radeon HD 6770, NVIDIA GeForce GTX 460
Storage:
2500 MB available space
Notes:
Compatible Sound Card; Must have OpenGL 3 with GLSL version 1.3. Some users may need to disable Steam overlay.
Linux
OS:
Ubuntu 12.04 LTS or higher
Processor:
Intel Core 2 Duo at 2.2 GHz, AMD Athlon 64 2.2Ghz
Memory:
3 GB RAM
Graphics:
NVIDIA GeForce GTX 460, AMD Radeon HD 6850
Storage:
2500 MB available space
Notes:
Compatible Sound Card; Must have OpenGL 3 with GLSL version 1.3. Some users may need to disable Steam overlay.
These are the requirements the publisher lists on Steam.
