Minimum System Requirements
Windows
OS:
Windows XP
Processor:
Dual Core
Memory:
1 GB RAM
Graphics:
DirectX 9.0c compatible, PixelShader & Vertex Shader 1.1
Storage:
400 MB available space
Notes:
Version 9.0; DirectX 9.0c compatible
macOS
OS:
Lion 10.7.5
Processor:
Dual Core
Memory:
1 GB RAM
Graphics:
OpenGL 3.0+ support (2.1 with ARB extensions acceptable)
Storage:
400 MB available space
Notes:
SDL_GameController devices fully supported
Linux
OS:
glibc 2.15+, 32/64-bit
Processor:
Dual Core
Memory:
1 GB RAM
Graphics:
OpenGL 3.0+ support (2.1 with ARB extensions acceptable)
Storage:
415 MB available space
Notes:
SDL_GameController devices fully supported
These are the requirements the publisher lists on Steam.