NoEcho

Completed Chapter 2 - 1 Complete Chapter 2 - 1 on any difficulty setting.

Get Physical Defeat 20 enemies with physical attacks.

Fireworks Shoot an enemy Molotov cocktail, dynamite stick, or hand grenade.

Completed Chapter 2 - 2 Complete Chapter 2 - 2 on any difficulty setting.

Completed Chapter 2 - 3 Complete Chapter 2 - 3 on any difficulty setting.

Completed Chapter 3 - 1 Complete Chapter 3 - 1 on any difficulty setting.

Meat Shower Defeat 3 Majini with one grenade or proximity bomb.

Completed Chapter 3 - 2 Complete Chapter 3 - 2 on any difficulty setting.

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

Completed Chapter 3 - 3 Complete Chapter 3 - 3 on any difficulty setting.

Completed Chapter 4 - 1 Complete Chapter 4 - 1 on any difficulty setting.

Completed Chapter 4 - 2 Complete Chapter 4 - 2 on any difficulty setting.

Completed Chapter 5 - 1 Complete Chapter 5 - 1 on any difficulty setting.

Completed Chapter 5 - 2 Complete Chapter 5 - 2 on any difficulty setting.

Born Free Escape from Intensive Treatment to the island surface

Completed Chapter 5 - 3 Complete Chapter 5 - 3 on any difficulty setting.

Completed Chapter 6 - 1 Complete Chapter 6 - 1 on any difficulty setting.

Completed Chapter 6 - 2 Complete Chapter 6 - 2 on any difficulty setting.

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

Arkham Analyst Solve 5% of Riddler challenges

Completed Chapter 6 - 3 Complete Chapter 6 - 3 on any difficulty setting.

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

Stop, Drop, & Roll Defeat 3 Majini at once by setting oil canisters on fire.

Boom Goes the Dynamite Shoot a bundle of dynamite out of the air.

Recurring Nightmare Face your biggest fears and keep your sanity

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

Drive By Stop an armored truck by taking out the driver.

Solitary Confinement Capture and lock up Harley Quinn

Clean Up Your Act Defeat Sasha.

True Potential Purchase every upgrade for a single power.

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

Good Train Good guys proactively facilitate transportation solutions.

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)

Stunt Coordinator Complete 10 of the stunts on the stunt list.

Masters of Removing Work together to save someone special.

Electric Hobo Ride the train for 2 kilometers.

Cattle Prod Defeat 30 enemies with the Stun rod.

Poisoned Ivy Defeat the giant Titan Ivy plant

Red Baron Take down 100 enemies while they are airborne.

Soldier Complete all chapters on Normal.

Big Bang Complete story mode on Easy difficulty

Heart Stopper Defeat a certain enemy by stabbing it in the heart.