LiquidSnakeGames

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

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)

Deadeye Unlock tactical perk 1

Arkham Analyst Solve 5% of Riddler challenges

Vive la resistance! Locate the resistance

Scout II Unlock stealth perk 7

Just What The Doctors Ordered Save all the doctors in Medical

Power to the laser Find the Laserkraftwerk

Daydreamer Survive the nightmare of the Scarecrow's fear gas

Fergus saved Choose to save Fergus

Quick draw Unlock tactical perk 2

Cryptic Investigator Solve 10% of Riddler challenges

Quick regeneration Unlock tactical perk 3

Baneful Payback Defeat Bane

Bare-knuckle Brawler Defeat 20 Enemies with Hand-to-Hand Combat

Bullet feeder Unlock assault perk 4

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

Hidden in the deep Locate the underwater stash

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

Grenade pouch + Unlock demolition perk 2

London uprising Defeat the London Monitor

Bare-knuckle Slugger Defeat 50 Enemies with Hand-to-Hand Combat

Recurring Nightmare Face your biggest fears and keep your sanity

Knife sheath + Unlock stealth perk 3

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

Deliverance Release friend

Liberation Complete game on any difficulty

Solitary Confinement Capture and lock up Harley Quinn

Autopanzer Unlock assault perk 6

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

Lateral Thinker Solve 25% of Riddler challenges

Silent shot Unlock stealth perk 5

Double Trouble Defeat two Titan Henchmen at once

30 Kills: KAL-7 Kill 30 Enemies with the KAL-7

Endurance I Unlock assault perk 2

100 Headshots Kill 100 Enemies with Headshots

Dual-wield expert Unlock assault perk 8

Brute Beater Successfully Counter all of a Brute's Damage-Giving Attacks

Quick reload Unlock tactical perk 8

Took the Shaman's Path Survived the Shaman's Path and found Ourea's retreat.

Hangman Kill 20 Enemies with Gunfire While Hanging

Ride the Lightning Defeat a Majini using the electric current from a transformer.

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

30 Kills: Mk-NDI Kill 30 Enemies with the Mk-NDI

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

30 Kills: M9 Kill 30 Enemies with the M9

Charted! - Easy Finish the Game on Easy Without Changing the Difficulty