Guardians of Middle-earth The Mouth of Sauron DLC trailer. CGR Trailers, from Classic Game Room®, presents a “The Mouth of Sauron” DLC update trailer for GUARDIANS OF MIDDLE-EARTH from Monolith and Warner Bros. Interactive Entertainment. This multiplayer online battle arena (MOBA) game was released for the PlayStation 3 and Xbox 360. It is a digital download that is available through the PlayStation Network and Xbox Live Arcade. Guardians of Middle-earth was released on December 4, 2012. This is the PEGI version of the trailer. Enjoy!