XCOM: Enemy Unknown (2012)
XCOM: Enemy Unknown is a video game from the makers of the Civilization series about humanity's fight against an unknown enemy. The governments of Earth have joined forces to form XCOM, a secret paramilitary organization tasked with defending the planet from extraterrestrial invasion. Players will be put in command of XCOM and must build and manage their base, research alien technology, plan combat missions and direct soldiers in battle in order to save mankind.