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
Batman: Arkham Asylum Cheats, Codes, Cheat Codes, Walkthrough, Guide, FAQ, Unlockables for PlayStation 3 (PS3)
Video Game Review: "Batman: Arkham Asylum": Game of the Year Edition - LevelSkip
Play as the Joker in Batman: Arkham Asylum PS3 | VG247
Batman: Arkham Asylum Signature Series Guide by Doug Walsh
Batman : Arkham Asylum - Game of the Year (PS3) : Amazon.co.uk: PC & Video Games
Batman: Arkham City / Includes Batman Arkham Asylum - Two Guides in One! (BradyGames Signature Series Guide) by Michael Lummis by Michael Lummis
The Riddler's Challenge - Batman: Arkham Asylum Wiki Guide - IGN