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

"The highest building in Arkham City, A Strange man worked here ... Found inside Pinkney Orphanage, inside the final Riddler/Catwoman room. There's a console by the puzzle you can activate ...

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 ...

The Riddler is back! After stumping Batman and players alike in the Arkham games, he's relocated to Metropolis and has set his sights on Task Force X. Suicide Squad: Kill the Justice League ...