Just above the locked door to Arkham North in the passageway between the two areas, pull down the weakened wall up high with your Ultra Batclaw and grapple up for a Riddler Trophy. In Arkham West, ...
The Riddler's Challenge consists of 240 challenges of six types: Chronicles of Arkham, "Mystery," Patient Interview Tapes, Riddles, Riddler Trophies and Teeth. Each area of the game has its own set of ...