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Batman: Arkham Asylum] (PS3 version)#60 - I was very surprised how quickly I got through the combat challenges. I thought for sure some of those extreme ones would be a platinum killer
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Batman Arkham City Signature Series Guide: Amazon.co.uk: Lumis, Michael, Owen, Michael: 9780744013160: Books
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How to Beat the Paging Dr. Joker Challenge in Batman: Arkham Asylum for PS3 « PlayStation 3 :: WonderHowTo
Batman: Arkham City / Includes Batman Arkham Asylum - Two Guides in One! (BradyGames Signature Series Guide) by Michael Lummis by Michael Lummis