Defeat 70 enemies with the M4

Find ten treasures

Defeat 50 enemies with hand-to-hand combat

Complete the B License.

Defeat 20 enemies with hand-to-hand combat

Complete story mode on Normal difficulty

KO all the henchmen celebrating your arrival at the party

Solve 70% of riddler challenges

Ride Titan henchman and knock down 10 thugs (any play mode)

Solve 55% of riddler challenges

Defeat two Titan Henchmen at once

Capture and lock up Harley Quinn

Save Dr. Young from being killed by Victor Zsasz