minimal:
reqprocessor: Intel Quad Core 2.8 GHz (i7 900 series) or 3.5 GHz AMD (FX 6000 series)
reqgraphics: AMD/NVIDIA dedicated graphic card, with at least 1024MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD Radeon HD 7000 series and NVIDIA GeForce GTX 600 series)
reqmemory: 4 GB RAM
reqdiskspace: 5 GB available space
reqsystem: Ubuntu 16.04.3 LTS + SteamOS (latest)
reqother: directx: Version 11

recommended:
reqprocessor: Quad core 3.5 GHz or higher (Intel i5 4000 Series / AMD Ryzen 3 Series)
reqgraphics: AMD/NVIDIA dedicated graphic card, with at least 3072MB of dedicated VRAM and with at least DirectX 11 and Shader Model 5.0 support (AMD R9 300 Series and NVIDIA GeForce GTX 900 Series or better)
reqmemory: 8 GB RAM
reqdiskspace: 5 GB available space
reqsystem: Ubuntu 16.04.3 LTS + SteamOS (latest)