Defeat Titan henchman without using Batarangs (any play mode)

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

Defeat Bane

Survive the nightmare of the Scarecrow's fear gas

Solve 5% of riddler challenges

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

Survive the onslaught from the deformed Joker henchman

Take down Zsasz in the Patient Pacification Chamber

Set 100 enemies on fire with the Bellock, air fuel grenade, spider grenade, or environmental hazard in the single player Campaign.

Complete Act 3: The Mission firing less than 125 paintballs

Complete all story levels without dying, with the exception of those levels that only end when you die