Defeat two Titan Henchmen at once

Capture and lock up Harley Quinn

Save Dr. Young from being killed by Victor Zsasz

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

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

Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 10 moves (any play mode)

Solve 5% of riddler challenges

Survive the onslaught from the deformed Joker henchman

Take down Zsasz in the Patient Pacification Chamber

Be on the winning team in an online ranked match

Complete Siberia chapter on 007 Difficulty

Finish a level using the pistol as the only gun