Last week, Batman: Arkham Asylum was released for the PC and quickly got its first free downloadable map pack. Tomorrow, publisher Eidos intends to release a second such free map pack for the super hero action game. The Prey in the Darkness Map Pack will be available exclusively via the Games For Windows Live Marketplace for the PC version. One of the two new maps will be titled Heart of Darkness and is a Combat FreeFlow level where the Caped Crusader will fight off enemies at the Arkham Pumping Station. The other new map is an Invisible Predator level called Hothouse Prey where Batman will take out his foes silently in the Abandoned Glasshouse. Hopefully there won't be any issues with getting these levels available to download like there were last week with the first map pack.Update: According to this Eidos message board post, it looks like this DLC will NOT be released for the PC after all. There's no word as to why this decision was made but we will try to find out some more info.Update 2: Eidos sent over a press release announcing that the map pack would be exclusively for the PS3 only in the US and for the Xbox 360 and PS3 in Europe.

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