just beat the game and got every riddler challenge. the game is pretty short, took me about 3 days playing ~3.5 hours each day. probably takes even less time if you don't go for the challenges. still a very polished and fun game with a lot of different gameplay elements though. this is the only game that i actually spent time looking for the hidden stuff. the interview tapes are pretty interesting if you're into the batman storyline too.
the combat challenges are friggin hard though, don't think i can get 100% on my file
