Sinistrose

Malpractice Needs More Practice Survive the onslaught from the deformed Joker henchman

Born Free Escape from Intensive Treatment to the island surface

Freeflow Combo 10 Complete a combo of 10 moves (any play mode)

Arkham Analyst Solve 5% of Riddler challenges

Just What The Doctors Ordered Save all the doctors in Medical

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Breaking And Entering Gain access to Arkham Mansion after it is locked down by the Joker

Recurring Nightmare Face your biggest fears and keep your sanity

Zsasz Cut Down To Size Save Dr. Young from being killed by Victor Zsasz

Solitary Confinement Capture and lock up Harley Quinn

Freeflow Combo 20 Complete a combo of 20 moves (any play mode)

Lateral Thinker Solve 25% of Riddler challenges

Double Trouble Defeat two Titan Henchmen at once

Resist The Fear Conquer the effects of the Scarecrow's fear gas

Crocodile Tears Venture into Killer Croc's lair and come out alive

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

Poisoned Ivy Defeat the giant Titan Ivy plant

Big Bang Complete story mode on Easy difficulty

Mystery Solver Solve 40% of Riddler challenges

Chimney Sweep There is only one way in

Party Pooper KO all the henchmen celebrating your arrival at the party

Butcher of Blaviken Kill at least 5 opponents in under 10 seconds.

Night Glider Glide continuously for over 100m

Death Mode: Sneak n' Deke Complete the Death Mode level.

One-Armed Bandit Hammer the point home

Death Mode: Rowdy Cloudy Complete the Death Mode level.

Rope-A-Dope-A-Dope String up one henchman and drop him to surprise a second (any play mode)

Death Mode: Purgatory #2 Complete the Death Mode level.

Conundrum Cracker Solve 55% of Riddler challenges

Catch! Catch a Batarang (any play mode)

Off the Plane GTA Online: Complete the Introduction.

Can't Touch This! Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.

Bigger Bang Complete story mode on Normal difficulty

Death Mode: Thermogenica #1 Complete the Death Mode level.

Last Ride of the Witch House Baba Yaga: Activate the Ancient Lift

Truth Behind the Myth Baba Yaga: Unmask Baba Yaga

Mental Athlete Solve 70% of Riddler challenges

Death Mode: Touch The People Complete the Death Mode level.

Death Mode: Disasteroids Complete the Death Mode level.

Death Mode: Event Horizon #2 Complete the Death Mode level.

Communication Breakdown Clear the airwaves

Gladiator Last man standing

Death Mode: Event Horizon #1 Complete the Death Mode level.

Death Mode: Aquatica Complete the Death Mode level.

Familiar Methodologies Fight off Hartman

Wrecking Ball Stop the unstoppable

Death Mode: Break-a-noids Complete the Death Mode level.

Death Mode: Mechanica Complete the Death Mode level.