Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the ...
X Rebirth is a space simulation game from Egosoft and Deep Silver.
XCOM: Enemy Within
XCOM: Enemy Within is an expansion to the strategy game XCOM: Enemy Unknown. It adds new abilities, upgrades, and weapons to combat new enemy and alien threats. This expansion pack ...
XCOM: Enemy Unknown
The developer of the Civilization franchise takes a shot at another cherished strategy series.