Complete story mode on Easy 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

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

Save Dr. Young from being killed by Victor Zsasz

Gain access to Arkham Mansion after it is locked down by the Joker

Defeat Bane

Survive the nightmare of the Scarecrow's fear gas

Escape from Intensive Treatment to the island surface

Survive the onslaught from the deformed Joker henchman