Minimum System Requirements
Windows
OS:
XP
Processor:
Dual Core 2.0 GHz
Memory:
256 MB RAM
Graphics:
128MB video RAM and at least Shader Model 3.0
Storage:
44 MB HD space
Notes:
10
macOS
OS:
Mac OS 10.6.8 (Snow Leopard) or higher
Processor:
Dual Core 2.0 GHz
Memory:
256 MB RAM
Graphics:
128MB video RAM and at least Shader Model 3.0
Storage:
72 MB HD space
Linux
OS:
Ubuntu 12.04 LTS, Mint 13 LTS or Fedora 17, fully updated
Processor:
Dual Core 2.0 GHz
Memory:
256 MB RAM
Graphics:
128MB video RAM and at least Shader Model 3.0
Storage:
80 MB HD space
These are the requirements the publisher lists on Steam.
