Arkham City is an open-world action-adventure video game developed by Rocksteady Studios and released in 2011. It is set in a sprawling, walled-off section of Gotham City that serves as a prison for the city's most dangerous criminals. Players control Batman as he navigates this dangerous environment, battling foes and uncovering a complex storyline involving various DC Comics characters. The game features a mix of combat, stealth, and puzzle-solving elements, allowing players to explore the city freely. It includes a variety of side missions and challenges, enhancing the gameplay experience. Arkham City received critical acclaim for its engaging narrative, character development, and immersive world design.