Arkham Asylum sells 2 million in less than a month!

[Killergran]

""Batman: Arkham Asylum," a recent video game co-published by Warner Bros. Interactive, has sold nearly 2 million units in less than a month, a major hit."

Source

I was really surprised by this game's sales. Sleeper hit of the year! 6 months ago I had no idea this game even existed. I guess coming out after The Dark Knight really helped it. :)