Survive the nightmare of the Scarecrow's fear gas

Complete a combo of 10 moves (any play mode)

Save all the doctors in medical

Escape from Intensive Treatment to the island surface

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Complete Chapter 1 - L.A. 2016 on any difficulty

Lunged to a W.E.N.D.I.G.0 prototype's back

Defeat 50 enemies with The Missing Link.

Use The Missing Link’s Leap Attack for the first time.

Impaled Victor Creed outside the Bar

Killed 100 enemies