Remember the rumor that Neversoft, creators of Guitar Hero , at work on the next CoD? In the end it turned out to be completely false: the official Twitter account of the game informs us that both Neversoft that Raven Software are collaborating with Infinity Ward development of Call of Duty: Ghosts . Raven Software has already worked on chapters Black Ops and Modern Warfare 3 , while for Neversoft is the first-ever collaboration.