Solved in Arkham Knight HQ South. Check the back corner ... Use the Remote Hacking Device to open it, revealing a Riddler puzzle. This one's not too bad. Hit the generator with the Remote ...

Found inside Pinkney Orphanage, inside the final Riddler/Catwoman room ... When you go into the tunnels to search for the Arkham Knight, look for this on a ledge when you first encounter a ...

Batman Arkham Knight: Arkham Insider Episode 4 (Riddler's Racetrack Challenge)SUBSCRIBE! Never Miss A Video: <a href="https://www.youtube.com/user/unCAGEDgamezArkham ...

The Subway Station and its network of underground tunnels hide several more Riddler Trophies in Batman: Arkham City. It makes you wonder what lengths Nigma is willing to go just to leave behind ...