A Sophisticated Mallet
Not unlocked yetDefeat Harley Quinn in a Showdown
Icebreaker
Not unlocked yetDefeat Mr. Freeze in a Showdown
Don't Mecha Big Deal About It
Not unlocked yetDefeat Mecha Freeze in a Showdown
That's Showbiz, Clayby
Not unlocked yetDefeat Clayface in a Showdown
Confronting Your Demon
Not unlocked yetDefeat Talia al Ghul in a Showdown
Showdown Sovereign
Not unlocked yetComplete all Villain Showdown battles
Gotham's Greatest Depths
Not unlocked yetComplete 30 floors and banish the cosmic threat in Heroic Assault
Hammer and Icicle
Not unlocked yetDefeat Mr. Freeze and his unexpected allies at Blackgate Penitentiary
Crime Is a Terrible Thing to Waste
Not unlocked yetSurf the sewers and sabotage Clayface's masterpiece
The Cold, the Bad and the Ugly
Not unlocked yetStop Harley Quinn's spectacular siege at S.T.A.R. Labs
Renewable Enemy Source
Not unlocked yetDefeat 75 Supercharged criminals
It's Nice to Be Wanted
Not unlocked yetDefeat each of Gotham's Most Wanted present during the KELVIN Incident
Element of Surprise
Not unlocked yetBreak Supercharged criminals 50 times using Elemental Effect weaknesses