Batman: Arkham City Riddler's Revenge Challenge Walkthrough Video in High Definition Predator and Combat Challenges [as Robin] Playlist: http://www.youtube.com/playlist?list=PL16332961471AD09A&feature=view_all =================================== Riddler's Revenge - Ranked Challenge Character Skin: Robin Challenge: The Batcave Predator Medals: ● Snap Flashed - Knock down 1 henchman with a Snap Flash and then take him down. ● Venting Anger - Perform a Takedown through a vent cover on a henchman. ● Blast Zone - Explode a weak wall into a henchman to knock him out. Speed Run (No Damage) - Time: 0:47.29 seconds =================================== Game available on: Sony PlayStation 3, Microsoft Xbox 360 & PC Video recorded on: PC =================================== For more info and videos, visit: ● http://www.youtube.com/BatmanArkhamVideos ● http://www.batman-arkham.com ● http://www.games-series.com