XCOM: Enemy Within encounters a new enemy as a rogue human faction known as the EXALT, try to threaten XCOM operations. Using strategic unit placements and suitable soldiers, players attempt to eliminate the EXALT before they cause any serious destruction.
XCOM: Enemy Within advances the XCOM technology and introduces human controlled, mechanized suits for increased damage and armor. The improvements to XCOM technology and shift to interspecies conflict, makes the EXALT the new target for the XCOM organization.
Firaxis and 2K revealed the XCOM expansion at gamescom in Cologne, Germany. At the event, Firaxis informed fans that the Enemy Within expansion will retail for $29.99 and release on November 12th for the PC and Mac. Xbox 360 and PS3 releases with come part of the Commander's Edition of XCOM: Enemy Unknown.