Family Guy Back to the Multiverse is a third person cooperative gameplay video game set to be released on November 20 2012 in North America for Xbox 360 PlayStation 3 and PC It s based on the Family Guy television series most notably the episode Road to the Multiverse and is also a continuation of The Big Bang Theory It is rated M for Mature for blood violence drug use mature humor and sexual content themes This game also features the return of Stewie s evil half brother Bertram who was killed in the show