Become the Invisible Predator and experience the unique FreeFlow combat system in these 2 new Challenge Maps for Batman: Arkham Asylum set in original locations from Arkham Island. The "Insane Night" map pack will include two new challenge maps: The "Totally Insane" combat map lets players test their fighting skills against hordes of crazed escapees from the asylum's records facility; the "Nocturnal Hunter" map has players using Batman's gadgets and stealth skills to attack the Joker's goons from the shadows.