Windows
OS: XP or later
Processor: 2.0Ghz CPU
Memory: 1 GB RAM
Graphics: graphics card that supports Shader Model 2.0 or greater
DirectX: Version 9.0c
Storage: 200 MB available space
Mac
OS: OSX 10.7 or later
Processor: 2.0Ghz CPU
Memory: 1 GB RAM
Graphics: graphics card that supports OpenGL 2.1
Storage: 200 MB available space
Linux
OS: Any Linux distribution that can run Steam
Processor: 2.0Ghz CPU
Memory: 1 GB RAM
Graphics: graphics card that supports OpenGL 2.1
Storage: 200 MB available space