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

Leave No Man Behind Rescue the guards and henchman from the Joker toxin in Decontamination

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

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

Night Glider Glide continuously for over 100m

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

Conundrum Cracker Solve 55% of Riddler challenges

Catch! Catch a Batarang (any play mode)

Bigger Bang Complete story mode on Normal difficulty

Mental Athlete Solve 70% of Riddler challenges

Riddle Resolver Solve 85% of Riddler challenges

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Crack The E Nigma Solve every riddle on the island

The Savannah Complete all levels in The Savannah

World's Greatest Detective Spirit of Amadeus Arkham revealed

The Wedding Complete all levels in The Wedding

Flawless Freeflow Fighter Complete one combat challenge without taking damage

Forager Collect 25% of the prize bubbles on the story levels

The Canyons Complete all levels in The Canyons

Invisible Predator Complete one predator challenge by using only Silent Takedowns and without being detected

Biggest Bang Complete story mode on Hard difficulty

Hi Score Collect 1,000,000 points over all levels you have played

Trials Sneak through the underground passage without tearing your scarf.

The Metropolis Complete all levels in The Metropolis

Incredible Speed! Travel at incredible speed

Predator Bronze Achieve 8 medals on predator challenges

Cranium Collector Kill 100 Creatures across all levels

Sackbird Spend 8 seconds or more in the air

Freeflow Combo 40 Complete a combo of 40 moves (any play mode)

The Islands Complete all levels in The Islands

Sticky Fingers Collect 50% of the prize bubbles on the story levels