Solve 85% of riddler challenges

Perform a perfect combo including all of Batman's combat moves (any play mode)

Complete one combat challenge without taking damage

Catch a Batarang (any play mode)

Solve 40% of riddler challenges

Complete a combo of 40 moves (any play mode)

Complete story mode on Normal difficulty

KO all the henchmen celebrating your arrival at the party

Complete a combo of 20 moves (any play mode)

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

Capture and lock up Harley Quinn