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 XCOM: Enemy Unknown - Elite Soldier Pack
Front cover for X-COM: Enforcer
Front cover for UFO: Enemy Unknown / X-COM: Terror from the Deep
Front cover for X-COM Collection
Front cover for The Bureau: XCOM Declassified
Screenshot from X-COM: Enforcer
Screenshot from Em@il Games: X-COM
Screenshot from XCOM: Enemy Unknown
Screenshot from XCOM: Enemy Within
Screenshot from X-COM: UFO Defense