XCOM: Enemy Within (Pre-Owned)

As the commander of XCOM, build and expand your base, recruit and train your soldiers, and research alien technology to advance your capabilities in fierce battles against a terrifying alien invasion.

XCOM^®: Enemy Within is the standalone 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 also introduces new maps and missions, new tactical and strategic gameplay, and new multiplayer content providing a fresh new gameplay experience.