XCOM: Enemy Within trailer. br Shop CGR t-shirts and mugs! br br Classic Game Room’s CGR Trailers presents a “Security Breach” trailer for XCOM: ENEMY WITHIN from Firaxis and 2K Games. XCOM: Enemy Within will be released for the PC, PlayStation 3 and Xbox 360 video game platforms. The release date is set for November 12, 2013. This game is rated Mature (M) by the ESRB.