Abor

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

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

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

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

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

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

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

Historian Find 75% of all documents.

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)

Lifeguard Save partner 10 times when DYING is displayed.

Intellectually Superior Complete all optional tombs.

Archaeologist Collect 75% of all relics.

Feather Duster Kill and loot 10 flying animals (crows and gulls).

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

Arkham Analyst Solve 5% of Riddler challenges

Recruit Complete all chapters on Amateur.

Just What The Doctors Ordered Save all the doctors in Medical

Bag Full O' Cache Find 75% of GPS caches.

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

Lethal Purchase all skills in all categories.

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.

No Stone Left Unturned Find all documents, relics and GPS caches.

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

Masters of Removing Work together to save someone special.

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

Cattle Prod Defeat 30 enemies with the Stun rod.

The Professional Fully mod and completely upgrade all weapons.

Poisoned Ivy Defeat the giant Titan Ivy plant

Soldier Complete all chapters on Normal.

Upgraded a Weapon The player has acquired at least one weapon upgrade

Big Bang Complete story mode on Easy difficulty