Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

String up one henchman and drop him to surprise a second (any play mode)

Capture and lock up Harley Quinn

Face your biggest fears and keep your sanity

Complete a combo of 20 moves (any play mode)

Defeat Bane

Survive the nightmare of the Scarecrow's fear gas

Solve 5% of Riddler challenges

Complete a combo of 10 moves (any play mode)

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Hank and Connor were friends until the end