Batman: Arkham (also known simply as Arkham) is a series of action-adventure video games based on the DC Comics character Batman, developed by Rocksteady Studios and WB Games Montréal, and published by Warner Bros. Interactive Entertainment. The franchise consists of four main installments and an upcoming spin-off, along with four smaller titles for mobile devices, a virtual reality game, and tie-in comic books and an animated film. The continuity established by the games is often referred to as the "Arkhamverse", and is part of the larger DC Multiverse.