The game will be available for PlayStation 3, Xbox 360, and Microsoft Windows, developed by Rocksteady Studios and published by Warner Bros. Interactive Entertainment and DC Comics, for release the week of October 18, 2011.
"...one year after the events of 'Arkham Asylum', 'Quincy Sharp', former warden of Arkham Asylum, has taken credit for stopping the 'Joker' and used the notoriety to become mayor of 'Gotham City'.
"As neither Arkham nor 'Blackgate Prison' are in any condition to detain inmates, Sharp buys out a large section of Gotham's slums and arms the perimeter with private military contractors from a group called 'Tyger' in order to create 'Arkham City'. Prisoners are brought into Arkham City and are given free rein, as long as they do not attempt escape.
"To oversee the city, Sharp hires psychiatrist 'Hugo Strange'. 'Batman' maintains a vigil over the city, worried that the situation may get out of hand, as 'Two-Face', seeking to gain status among the inmates, devises a plan to publicly execute 'Catwoman'.
"Batman decides for both the safety of Gotham and of his past relationship with Catwoman that he must stop the execution by entering Arkham City..."
"To oversee the city, Sharp hires psychiatrist 'Hugo Strange'. 'Batman' maintains a vigil over the city, worried that the situation may get out of hand, as 'Two-Face', seeking to gain status among the inmates, devises a plan to publicly execute 'Catwoman'.
"Batman decides for both the safety of Gotham and of his past relationship with Catwoman that he must stop the execution by entering Arkham City..."