Rocksteady Studios is a British game developer responsible for Batman: Arkham Asylum, Batman: Arkham City, and Batman: Arkham Knight, as well as Urban Chaos: Riot Response. They are based in London, England.
- Rocksteady Studios has created several original characters for the Batman universe. Such as Quincy Sharp, Frank Boles, and the four victims of Joker's Blood: Albert King, Christina Bell, Johnny Charisma, and Henry Adams. This is not counting the several named workers/guards in all of the games.