The collector's edition for Batman: Arkham Asylum is full of goodies that will please most Batman fans. The action game was release on June 9, 2009.

The Batman: Arkham Asylum collector's edition, with a suggested retail price of $99.99, contains a number of goodies. The most intriguing of these is arguably the Batarang, a 14" replica of the actual weapon used in the game. Also included is a leather-bound doctor's journal that contains 48 pages of notes on the Asylum's disturbing inmates. Two DVDs give players a peek behind-the-scenes and features interviews with Kevin Conroy, the voice of Batman in the game, and Mark Hammil, who voiced The Joker.

Gamers who invest in the collector's edition will also receive a code to download an exclusive challenge mode map pack titled "Crime Alley." GameStop: Batman: Arkham Asylum Collector's Edition

Batman: Arkham Asylum takes place entirely within the confines of Gotham City's psychiatric institute for the criminally insane. The Joker has taken over the asylum and Batman decides to move him out. The story was written by Paul Dini, producer and writer for a number of animated series, and publisher Eidos Interactive announced that it is loosely based on the Batman comics storyline.

Some of the heroes and villains who will make an appearance in the game include The Riddler, Penguin and Commissioner Gordon.Kotaku: Eidos announce ANOTHER Batman Game (August 12, 2008) 1up.com: Eidos Announces Batman: Arkham Asylum (August 13, 2008)