. . . "XCOM: Enemy Within is an expansion pack for the turn-based military alien invasion strategy wargaming simulator XCOM: Enemy Unknown. The Windows and OS X editions require XCOM: Enemy Unknown to play; Enemy Within was released for Xbox 360 and PlayStation 3 as part of the Commander Edition bundled with Enemy Unknown."@en . . "2013-11-15Z"^^ . "2014-06-19Z"^^ . . . . . . . . "2014-11-13Z"^^ .