Batman: Arkham Knight is a 2015 action-adventure video game developed by Rocksteady Studios and published by Warner Bros. Interactive Entertainment for the PlayStation 4 and Xbox One video game consoles, and Microsoft Windows. Based on the DC Comics superhero Batman, it is the successor to the 2013 video game Batman: Arkham Origins, and the fourth main installment in the Batman: Arkham series. Arkham Knight was released worldwide on June 23, 2015. Written by Sefton Hill, Ian Ball and Martin Lancaster, Arkham Knight is based on the franchise’s long-running comic book mythos. Set one year after the events of 2011’s Batman: Arkham City, the game’s main storyline follows Batman as he confronts Scarecrow, who has launched an attack on Gotham City, causing a city-wide evacuation. Scarecrow, with the help of the mysterious Arkham Knight, is also able to unite Batman’s greatest foes in an attempt to finally destroy Batman. The game is presented from a third-person perspective, with a primary focus on Batman’s melee combat, stealth abilities, detective skills, and gadgets. Arkham Knight also introduces the Batmobile as a playable vehicle, which is used for transportation and combat. The game expands Batman’s arsenal of gadgets and combat attacks and offers a more open world structure, allowing the player to complete side missions away from the primary storyline.