The critically acclaimed Batman: Arkham Asylum returns in the remastered edition of Game of the Year, featuring 4 additional challenge maps. Additional challenge maps are: Crime Alley; Scarecrow Nightmare; Totally Insane and Nocturnal Hunter (both from the Insane Night map pack). Use FreeFlow's™ unique combat system to seamlessly combine unlimited combos and fight huge groups of Joker's minions in brutal melee combat. Track as Batman, the WORLD'S GREATEST DETECTIVE, as you solve intricate puzzles using state-of-the-art forensic tools such as X-ray scanning, fingerprint scanning, "Amido Black" spray, and pheromone tracking. Take on Gotham's greatest villains, including the Joker, HARLEY QUINN, POISON IVY and KILLER CROC. Become an invisible predator™ with Batman's silent eliminations and unique vantage point system to move unnoticed and hunt down enemies. Choose multiple elimination methods, including descending from the sky and breaking walls. Explore every corner of Arkham Asylum and freely traverse the famous island, presented in its entirety for the first time in its gloomy and realistic form. Experience what it's like to be BATMAN using BATARANGS, Explosive Gel Spray, Batclaw, Sonar Resonator, and Rope Launcher. Discover more secrets by completing hidden challenges in the world and develop and customize your equipment as you earn experience points. Enjoy the full freedom of a superhero in the environment by using Batman's grappling hook to get to any visible place, jump from any height, and glide in any direction.