Solve 10% of riddler challenges

Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 10 moves (any play mode)

Escape from Intensive Treatment to the island surface

Take down Zsasz in the Patient Pacification Chamber

Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds

Kill 50 enemies with the M4

Kill 20 enemies with Mk-NDI grenades

Kill 30 enemies with the MP40

Kill 20 enemies with a brutal combo

Kill 20 enemies with the Desert - 5

Kill 50 enemies with the AK-47