Batman: Arkham Asylum Arrives August 25

Rocksteady's stealth-action take on Batman's adventures within the Arkham mental institution will hit North American retailers on August 25, publisher Eidos said today.

All three editions of Batman: Arkham Asylum--PC, PS3, Xbox 360--are due at that time. nope

The European edition will arrive a few days later, on August 28. The game was originally due in June, but was recently pushed back into the vague "late summer" timeframe.