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.
Get the complete edition of XCOM: Enemy Unknown and Enemy Within for just $10 today at Amazon. Includes Steam keys and hours of shooting of aliens in the face, then researching new weapons to shoot them in the face.
Requires Steam Client to activate. Steam key only valid in North America.
