Now Available on Linux and SteamOS - XCOM: Enemy Unknown
Announcement - Valve
Jun 19, 2014
XCOM: Enemy Unknown and all available Expansion Packs and DLC are Now Available on Linux and SteamOS!
XCOM: Enemy Unknown will place you in control of a secret paramilitary organization called XCOM. As the XCOM commander, you will defend against a terrifying global alien invasion by managing resources, advancing technologies, and overseeing combat strategies and individual unit tactics.