The player is Gotham City's newest crime lord, building a name for their newly formed gang. To up the competition, the player breaks the Riddler out of Arkham Asylum with the assistance of Catwoman and their henchmen. Other members of Gotham City's underworld hear of the player, such as Harley Quinn, Mr. Freeze, Killer Croc, The Scarecrow and Bane. The player hires these otherwise solo super villains to work for them and create terror throughout the city.