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)

Arkham Analyst Solve 5% of Riddler challenges

Deadeye Unlock tactical perk 1

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

Cryptic Investigator Solve 10% of Riddler challenges

Quick draw Unlock tactical perk 2

Baneful Payback Defeat Bane

Quick regeneration Unlock tactical perk 3

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

Hidden in the deep Locate the underwater stash

Bullet feeder Unlock assault perk 4

Grenade pouch + Unlock demolition perk 2

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

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

Recurring Nightmare Face your biggest fears and keep your sanity

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

Knife sheath + Unlock stealth perk 3

London uprising Defeat the London Monitor

Deliverance Release friend

Solitary Confinement Capture and lock up Harley Quinn

Liberation Complete game on any difficulty

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

Autopanzer Unlock assault perk 6

Lateral Thinker Solve 25% of Riddler challenges

Silent shot Unlock stealth perk 5

Double Trouble Defeat two Titan Henchmen at once

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

Endurance I Unlock assault perk 2

Dual-wield expert Unlock assault perk 8

Quick reload Unlock tactical perk 8

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

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

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

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

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

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

Assassin Unlock stealth perk 8

Poisoned Ivy Defeat the giant Titan Ivy plant

100 Headshots Kill 100 Enemies with Headshots

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

Big Bang Complete story mode on Easy difficulty