"In this new Batman: Arkham Asylum - Gadgets Trailer we take a look at the new gadgets Batman uses to fight Asylum of inmates, including Batarang, explosive gel, grapnel gun, line launcher, and more.   Batman: Arkham Asylum an upcoming action-adventure stealth video game based on DC Comics' Batman. It is developed by Rocksteady Studios and published by Eidos Interactive in conjunction with Warner Bros. Interactive Entertainment and DC Comics and will be released for Xbox 360, Microsoft Windows, and Playstation 3."