Operating System: Steam OS. (However, other distros with Steam installed
should run the game just fine.)
Processor (CPU): Intel Core 2 Duo 2.6 GHz or AMD Athlon X2 2.8 GHz (a dual-core CPU is
required)
Memory (RAM): 2 GB RAM
Graphics Card: ATI Radeon HD 4850, or Nvidia GeForce 9800 GT or equivalent. (With respective proprietary drivers). 512MB VRAM.
Hard Drive: 7 GB HD space
Other Requirements: Steam client + runtime environment. If using open source drivers, S2TC is required to
approximate S3TC texture support.