All the world is a stage

Steal the score of a lifetime

A deadly game of hide and seek

Uncover the secret of Arkham City

Last man standing

Drop in on an old friend

There is only one way in

Save the damsel, but is she in distress?

Complete story mode on Normal difficulty

Defeat the giant Titan Ivy plant

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

Venture into Killer Croc's lair and come out alive

Defeat two Titan Henchmen at once