Eidos have sent us some more information relating to Batman: Arkham Asylum - Eidos Interactive Ltd, creator of some of the world’s leading videogame properties, and Warner Bros. Interactive Entertainment, today announced that the number-one selling Batman: Arkham Asylum™, firmly established as the ‘must-have’ game of Summer 2009 has shipped in excess of 2.5 million units to retail since launch.

With numerous ‘Game of the Month’ and ‘Editor’s Choice’ awards throughout the world and a MetaCritic score in the 90s, the game has met with critical acclaim in the media, earning a Guinness World Record for ‘Most Critically Acclaimed Superhero Game Ever’. The Games for Windows® LIVE version launched last week in the US and Europe and the first downloadable content (DLC) went live last week, with additional DLC still to come.

“Batman: Arkham Asylum is one of the stand-out games this year,” said Phil Rogers, CEO of Eidos. “I’ve been following the great reviews and consumer blogs and I’m delighted that gamers everywhere love playing this game as much as we do.”

“The tremendous critical and commercial success of Batman: Arkham Asylum sets a new benchmark for superhero games,” said Martin Tremblay, President, Warner Bros. Interactive Entertainment. “Rocksteady Studios created an excellent game and the sales numbers demonstrate how a powerful franchise fused with high-quality production resonates with consumers.”

In Batman: Arkham Asylum, developed by London-based Rocksteady Studios, BATMAN finds himself trapped inside the confines of Gotham’s psychiatric hospital for the criminally insane, ARKHAM ASYLUM. THE JOKER has set a trap for the DARK KNIGHT and has conspired with the deranged inmates to eliminate Batman once and for all. Adding to the authenticity of the game are veteran animated Batman voice talents Mark Hamill and Kevin Conroy, who reprise their roles as The Joker and Batman respectively.

Batman: Arkham Asylum features an original story by Paul Dini, Batman writer and five-time Emmy Award-winner whose credits include Lost and Batman: The Animated Series. Gamers will move in the shadows, instill fear amongst their enemies and confront The Joker and Gotham City's most notorious villains, including HARLEY QUINN, BANE, KILLER CROC, POISON IVY and SCARECROW, who have taken over the asylum.

Batman: Arkham Asylum is available now on Xbox 360 and PlayStation3 and Games for Windows® LIVE. For more information, visit the official website at http://www.batmanarkhamasylum.com/