XCOM: Enemy Within Announcement Trailer

XCOM: Enemy Within is the expansion to the 2012 Game of the Year award-winning strategy game XCOM: Enemy Unknown. Enemy Within adds an incredible array of new abilities, upgrades and weapons to combat new enemy and alien threats. This expansion pack also introduces new maps, new tactical and strategic gameplay, and new multiplayer content providing a fresh new gameplay experience.

XCOM: Enemy Within will be available in North America on November 12, 2013 and internationally on November 15, 2013