Batman: Arkham Asylum (UK Import) Face off against Gotham's greatest villains including The Joker, Harley Quinn, Victor Zsasz and Killer Croc Become the Invisible Predator with Batman's fear takedowns and unique vantage point system to move without being seen and hunt enemies Utilize the unique FreeFlow combat system to chain together unlimited combos seamlessly and battle with huge groups of The Joker's henchmen in brutal melee brawls Investigate as Batman, the world's greatest detective, by solving intricate puzzles with the help of cutting edge forensic tools including x-ray scanning, fingerprint scans, 'Amido Black' spray and a pheromone tracker