Batman Face off against Gotham's greatest villains including The Joker, Harley Quinn, Victor Zsasz and Killer Croc. Become the Invisible Predator with Batman's takedowns and unique vantage point system to move without being seen or utilize the unique FreeFlow combat system to chain together unlimited combos and battle with huge groups of the Joker's henchmen. Choose multiple takedown methods, including swooping from the sky and smashing through walls, and use the predator camera get a closer look at the action. Explore every inch of Arkham Asylum and roam freely on the infamous island, presented for the first time ever in its gritty and realistic entirety. Experience what it's like to be Batman using explosive gel aerosol, the Batclaw, sonar resonator and the line launcher. An activation key will be provided inside the box for GamesForWindows Live use. Each game (on all platforms) will have its own unique activation key.