XCOM

XCOM: Enemy Within is an Turn-Based Strategy game that was developed by Firaxis Games and published by 2K Games. It was released on November 12, 2013 in North America and on November 15, 2013 in Europe for Microsoft Windows, PlayStation 3, Xbox 360, and iOS. The game is a sequel to the 2012 game XCOM: Enemy Unknown, and features the return of the base-building element, which was absent in Enemy Unknown. Enemy Within adds new content, including new soldier classes, enemies, missions, and abilities.