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Riddle Resolver Solve 85% of Riddler challenges

Biggest Bang Complete story mode on Hard difficulty

Big Bang Complete story mode on Easy difficulty

Bigger Bang Complete story mode on Normal difficulty

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

Poisoned Ivy Defeat the giant Titan Ivy plant

Mental Athlete Solve 70% of Riddler challenges

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

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

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

Conundrum Cracker Solve 55% of Riddler challenges

Double Trouble Defeat two Titan Henchmen at once

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

Mystery Solver Solve 40% of Riddler challenges

Solitary Confinement Capture and lock up Harley Quinn

Night Glider Glide continuously for over 100m

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

Recurring Nightmare Face your biggest fears and keep your sanity

Lateral Thinker Solve 25% of Riddler challenges

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

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

Catch! Catch a Batarang (any play mode)

Baneful Payback Defeat Bane

Cryptic Investigator Solve 10% of Riddler challenges

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Just What The Doctors Ordered Save all the doctors in Medical

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

Arkham Analyst Solve 5% of Riddler challenges

Born Free Escape from Intensive Treatment to the island surface

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

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

Freeflow Combo 5 Complete a combo of 5 moves (any play mode)

Big Goodbye Finish the game

Big Wall Go beyond the wall

Big Makeover Get shiny

Trained Up Win 10 multiplayer games while playing in Combat Training playlists.

Defender of Humanity Overcome every challenge and achieve ultimate victory

Still a True Son of the Emperor Kill 41,000 Enemies (all game modes combined)
41000/41000

A Blight to Be Purged Kill 20,000 enemies (all game modes combined)
20000/20000

One Ugly Xenos Bring down a Lictor before it attacks from an ambush

Guardian's Might As a Bulwark, kill 100 enemies with every available Melee Weapon
300/300

Thunderous Impact As an Assault, hit 500 total enemies with Ground Pound
500/500

Sharpest Edge Reach the maximum Level for one Melee Weapon

Master of Arsenal As a Tactical, kill 25 enemies with every available Primary Weapon
175/175

Big Tunnel Enter a big tunnel

Big Ride Ride the train

Big Climb Reach the highest point

Big Sit Ride the chairlift

Big Help Wear something on your hip