The Batman: Arkham Asylum demo has finally arrived on PSN! The game itself has been a long-awaited, bone-chilling adventure in which the Dark Knight embarks on a mission to capture the backwards-minded Joker! It will hit the store shelves on August 25,2009.

The demo for Batman: Arkham Asylum exposes much of what you will be doing in the game. You will be able to push the Joker's henchmen around and perform some spectacular moves on them, like flipping them over and hanging them upside down from above. You will be forced to save the Joker's hostages in countless ways by figuring out how to eliminate the enemy and keep the innocent safe.You'll be swinging from gargoyle to gargoyle, hidden in the shadows as you out-think and out-smart your oppenents. You'll be playing as one of the world's greatest detectives, the Dark Knight; solving a countless number of puzzles in order to reach your goal in Batman: Arkham Asylum!