Learned a skill for the first time.

Complete story mode on Normal difficulty

Defeat the giant Titan Ivy plant

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).

Solve 25% of riddler challenges

Face your biggest fears and keep your sanity

Defeat Bane

Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 20 moves (any play mode)

Complete a combo of 10 moves (any play mode)