Batman Arkham City: Secrets of the Riddler - El Metro

Guide to collecting all of the Riddler's secrets in Arkham City (Trophies, puzzles, all items to break). In this case, all the items found in the Underground (trophies, puzzles, and Joker dentures to break). Don't forget to get it in 720p HD! Follow me on Facebook:   / nesherius   Follow me on Twitter:   / nesherius   Complete playlist with all Batman Arkham City videos:    • Batman Arkham City