Descend into the core of the criminally insane as The Joker launches his most diabolical plot ever. The inmatesof Arkham Asylum have been set free - and it's up to Batman to bring order to the chaos and take back the asylum. Explore the island in Troviz 3D and play 4 extra challenge maps. Scarecrow, Nightmare, Crime Alley, Totally Insane, and Nocturnal Hunter.