Complete story mode on Normal difficulty

KO all the henchmen celebrating your arrival at the party

Solve every riddle on the island

Solve 85% of riddler challenges

Ride Titan henchman and knock down 10 thugs (any play mode)

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once

Complete one combat challenge without taking damage

Capture and lock up Harley Quinn

Save Dr. Young from being killed by Victor Zsasz

Gain access to Administration after it is locked down by the Joker

Catch a Batarang (any play mode)

Survive the nightmare of the Scarecrow's fear gas