On MSN Games has published a new trailer for Batman: Arkham City, which this time focuses on the character The Riddler. In the video we see the Dark Knight to oppose all'Engmista to save the life of a guard, of course, after solving some puzzles left to us by the villain in question. Leaving the trailer to remind you that Batman: Arkham City will arrive Oct. 21.

Batman: Arkham City - Trailer | HD version