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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

The Gardens Complete all levels in The Gardens

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

World's Greatest Detective Spirit of Amadeus Arkham revealed

The Savannah Complete all levels in The Savannah

8X Multiplier! Get an 8X Multiplier

Friendly Complete a level with more than one player

Flawless Freeflow Fighter Complete one combat challenge without taking damage

The Wedding Complete all levels in The Wedding

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

Must've Got Lost Complete "Lost in Nightmares" on any difficulty setting.

20X Multiplier! Get a 20X Multiplier

Out of the Past Survive the Eagle's medicine and bid farewell to a new friend.

Promising Start Complete a Legends Mode story.

The Benefit of All Beings Build your Legend on Iki Island to earn the title Legacy Redeemer.

Treasures of the Past Complete all Mythic Tales on Iki Island.

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

Biggest Bang Complete story mode on Hard difficulty

Ring the Bell (Undead Church) Ring Bell of Awakening at Undead Church.

The Canyons Complete all levels in The Canyons

House of the Ned Completed the "House of the Ned" mission

Predator Bronze Achieve 8 medals on predator challenges

The Butcher Redeemed Liberate Iki Island by defeating the Eagle and driving the invaders from Mongol territory.

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