Batman works desperately to find a bomb planted by the Joker while Amanda Waller sends her newly-formed Suicide Squad to break into Arkham Asylum and recover vital information stolen by the Riddler.

Batman: Arkham City builds upon the intense, atmospheric foundation of Batman: Arkham Asylum, sending players soaring into Arkham City, the new maximum security "home" for all of Gotham City's thugs, gangsters and insane criminal masterminds. Set inside the heavily fortified walls of a sprawling district in the heart of Gotham City, this highly anticipated sequel introduces a brand-new story that draws together a new all-star cast of classic characters and murderous villains from the Batman universe, as well as a vast range of new and enhanced gameplay features to deliver the ultimate experience as the Dark Knight.

Arkham Sanitarium was vacant for years after a sex and death cult was arrested for committing heinous acts on patients. Today paranormal investigators are trapped and battling malevolent forces as they grapple with these creatures.

Mr. Freeze turns Killer Croc and Bane into super-sized monsters, and they bash their way through downtown Gotham until the Caped Crusader and his team of heroes join the fight in their giant robot mechs.

A warlock burned at the stake comes back and takes over the body of his great grandson to take his revenge on the descendents of the villages that burned him.