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. The iOS and Android versions were released as stand-alone apps not requiring the original mobile port of Enemy Unknown to play. Enemy Within primarily adds new gameplay elements to the base game, as well as introducing new themes of transhumanism via aggressive gene therapy.Please Note: Products may not include additional material like Downloadable Content (DLC) Codes, Additional Content, or Online Passes. All images on the website are representative of the final product, and not the final product itself. All of our games are tested, cleaned, and graded. The grading system can be used to help gauge the condition of the item you are purchasing.
