When Gotham was plunged into chaos after the Riddler had flooded the subway ... The Zero Year batsuit is a play on Batman’s original costume design, complete with the purple gloves and all.

Following a Batman: Arkham Knight Riddler guide is key if you want to reach 100% completion in the game, as Gotham is dotted with a huge 243 Riddler puzzles and it's hard enough just to find them ...