Free Batman 'Prey in Darkness' DLC detailed, arrives tomorrow on PS3 in NA [update]

Late summer blockbuster Batman: Arkham Asylum receives another dose of free DLC with the "Prey in the Darkness" map pack tomorrow on Xbox 360 and PS3. The "Heart of Darkness" map will have Bats battling baddies at the Arkham Pumping Station, while "Hothouse Prey" has the detective using his predator skills to silently dispose of henchmen in the conservatory (i.e., the Abandoned Glasshouse).

Remember to check out the free "Insane Night" map pack if you somehow missed it last week ... oh yeah, and don't forget to check out the game if you've somehow missed out on that, too.

Update: Seems worth mentioning that the UK allegedly (and accidentally) has this up on the Xbox Marketplace already.

Update 2: It appears that Europe will receive the DLC on both consoles, while North America will only have it on PS3. There is no word about when the pack will arrive on the North American Xbox Marketplace. Yeah ... we don't understand it either.
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This article was originally published on Joystiq.