Group DescriptionMicroProse's series of human "eXtraterrestrial COMbat units" fighting against alien invaders, initially in turn-based tactical squad combat on land and underwater, and eventually in other gameplay styles and environments and from other perspectives.
The last game in the series was X-COM: Enforcer in 2001. The series was revived in April 2010 when 2K Games announced a new title based on the franchise.
Front cover for X-COM: Unknown Terror
Front cover for XCOM: Enemy Unknown - Complete Pack
Front cover for Civilization II: Fantastic Worlds
Front cover for XCOM: Enemy Unknown - Slingshot
Front cover for XCOM: Enemy Unknown (Special Edition)
Screenshot from Civilization II: Fantastic Worlds
Screenshot from XCOM: Enemy Unknown - Slingshot
Screenshot from X-COM: Apocalypse
Screenshot from XCOM: Enemy Within
Screenshot from The Bureau: XCOM Declassified