Legend of Grimrock System Requirements

Minimum:

OS: Windows XP Service Pack 3
Processor: Dual Core 2GHz Intel or 2.8GHz AMD
Memory: 2 GB RAM
Graphics: ATI Radeon X1600 or NVIDIA GeForce 7600 or better (512MB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280x720 and 1024x768.
DirectX®: 9.0c
Hard Drive: 1 GB HD space
Sound: DirectX 9.0c compatible

Recommended:

OS: Windows Vista or Windows 7
Processor: Quad Core 2.66GHz Intel or 3.2GHz AMD
Memory: 4 GB RAM
Graphics: ATI Radeon HD 2900 or NVIDIA GeForce 8800 or better (512MB graphics memory or more. Shader Model 3.0 needs to be supported)
DirectX®: 9.0c
Hard Drive: 1 GB HD space
Sound: DirectX 9.0c compatible