Batman: Arkham Knight is a 2015 action-adventure video game developed by Rocksteady Studios and published by Warner Bros. Interactive Entertainment. It is the fourth main entry in the Batman: Arkham series and serves as the conclusion to Rocksteady’s Batman trilogy. Set in an open-world Gotham City, the game follows Batman as he faces Scarecrow, the mysterious Arkham Knight, and numerous other villains while using stealth, combat, detective skills, and the Batmobile.