Batman: Arkham City, the sequel to Batman: Arkham Asylum, was officially released to the public. The game was developed by Rocksteady Studios and quickly became a critical and commercial success.
Rocksteady Studios announced Batman: Arkham City, the highly anticipated sequel to Batman: Arkham Asylum, generating excitement among fans and the gaming community.
The Game of the Year Edition of Batman: Arkham City was released, including the base game along with all downloadable content (DLC) expansions, providing players with additional content and features.
The government creates Arkham City, an enclosed zone in Gotham to house all criminals, villains, and asylum inmates.
Batman is captured by Hugo Strange under the alias 'Matches Malone' and incarcerated in Arkham City as part of Strange's secret plan.
Hugo Strange reveals Protocol 10, a plan to systematically eliminate criminals inside Arkham City.
Batman moves through Arkham City, encountering villains such as Joker, Penguin, Two-Face, and Poison Ivy, affecting their fates.
The Joker's health deteriorates rapidly due to the Titan formula that has infected him.
Batman uncovers Hugo Strange's plan to execute all occupants of Arkham City under Protocol 10.
Batman stops the execution order and rescues the remaining prisoners from mass extermination.
Batman faces the Joker, who is in a failing state and ultimately dies in Batman's arms after attempting to use Titan against him.
With Hugo Strange neutralized, Penguin tries to control the criminal underworld but is challenged by Batman.
The fate of Arkham City is left ambiguous but it remains a hub of chaos and Gotham continues to grapple with its consequences.