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Born Free Escape from Intensive Treatment to the island surface

Arkham Analyst Solve 5% of Riddler challenges

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

Recurring Nightmare Face your biggest fears and keep your sanity

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

Solitary Confinement Capture and lock up Harley Quinn

Lateral Thinker Solve 25% of Riddler challenges

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

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

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

Poisoned Ivy Defeat the giant Titan Ivy plant

Big Bang Complete story mode on Easy difficulty

Sabersmith Fully customize your lightsaber

Distress Flare Answer the call for help

Communication Breakdown Clear the airwaves

Gladiator Last man standing

Mystery Solver Solve 40% of Riddler challenges

Wrecking Ball Stop the unstoppable

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

Hide And Seek A deadly game of hide and seek

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

Ghost Train Fight for survival

Bigger Bang Complete story mode on Normal difficulty

IQ Test Solve the first riddle

Give to the Poor Donate $250 to the gang tithing box.

Rope-A-Dope-A-Dope String up one henchman and drop him to surprise a second (any play mode)

Everything is Connected Complete the Tomb of Miktrull

Freefall Don't look down

Exit Stage Right All the world is a stage

Bank Shot Defeat an enemy by colliding them with another enemy

Conundrum Cracker Solve 55% of Riddler challenges

Night Glider Glide continuously for over 100m

Her Name Was Masana Tide Defeat the Ninth Sister

Tell Me How You Really Feel Kill 25 Enemies using the Rage of the Gods

Gorgara Falls Defeat the winged terror on Dathomir

For A More Civilized Age Craft a lightsaber of your own

I Knew He Was No Good Defeat a former Jedi Master

The Holocron Awaits Open the Vault

Stop the Clock Time is running out

Trust Only In The Force Complete the story

Look Out Below Send 25 enemies over the edge

Catch! Catch a Batarang (any play mode)

Perfect Timing Parry 100 enemies