minimal:
reqprocessor: Intel Core i3-2100 (3.1 GHz) or AMD Athlon II X4 645 AM3 (3.1 GHz)
reqgraphics: GeForce GT 440 (1024 MB) or Radeon HD 6670 (1024 MB)
reqmemory: 4096 MB RAM
reqdiskspace: 10 GB available space
reqsystem: Ubuntu 14.04.3 LTS or SteamOS Brewmaster
reqother: Recommended Graphics Drivers: Nvidia: 352, 355 or 358 series driver / AMD: AMD Catalyst (fglrx) 15.9 or better. MESA drivers and Intel Graphics are not currently supported.
recommended:
reqprocessor: Intel Core i5-2500K (3.3 GHz) or AMD FX-4300 (3.8 GHz)
reqgraphics: GeForce GTX 660 (2048 MB) or Radeon HD 6970 (2048 MB)
reqmemory: 8192 MB RAM
reqdiskspace: 10 GB available space
reqsystem: Ubuntu 14.04.3 LTS or SteamOS Brewmaster
reqother: Recommended Graphics Drivers: Nvidia: 352, 355 or 358 series driver / AMD: AMD Catalyst (fglrx) 15.9 or better. MESA drivers and Intel Graphics are not currently supported.