minimal:
reqprocessor: 1,3 GHz CPU
reqgraphics: Graphics card: DX9 (shader model 2.0) capabilities
reqmemory: 1 GB RAM
reqdiskspace: 1 GB available space
reqsystem: Ubuntu 12.04+
recommended:
reqprocessor: Dual-core 2Ghz CPU
reqgraphics: Graphics card: DX9 (shader model 2.0) capabilities
reqmemory: 2 GB RAM
reqdiskspace: 1 GB available space
reqsystem: Ubuntu 12.04+, SteamOS+