A video game in which players take control of the Dynamic Duo, Batman and Robin, as well as the hero Nightwing to fight Gotham City's most notorious criminals including The Joker, The Penguin, Catwoman, Scarecrow, Killer Croc, The Riddler, Mr. Freeze, Harley Quinn, Two Face, Bane, Clayface, Poison Ivy, and many more. The criminals have broken out of Arkham Asylum and are set to wreak havoc on the city.