Batman: Arkham is a series of action-adventure video games based on the DC Comics character Batman, developed by Rocksteady Studios [1] [2] and WB Games Montréal, and published originally by Eidos Interactive and currently by Warner Bros. Games. The franchise consists of four main installments and a spin-off, along with four smaller titles for mobile devices, a virtual reality game, tie-in comic books, and an animated film.