GrimVenomReaver

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

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

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

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

Mystery Solver Solve 40% of Riddler challenges

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

Death From Above Operate an AC-130 gun ship.

Night Glider Glide continuously for over 100m

Straight Flush Kill 5 enemies with one shot while in the AC-130 gunship.

Feeeed Meeeee! Die.

Down Boy Down Survive a dog attack.

Wrong Number Find Al-Asad's safehouse.

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

Explosion Man Kill 20 enemies with explosives in a single level.

No Rest for the Weary Stab an injured crawling enemy.

Ring Ring Answer a ringing phone

Conundrum Cracker Solve 55% of Riddler challenges

Reinforcement Denied Kill at least 3 rappelling enemies in a single rope.

Catch! Catch a Batarang (any play mode)

Piggyback Ride Carry Cpt. MacMillan to safety.

Desperate Measures Corner Zakhaev's Son.

Bigger Bang Complete story mode on Normal difficulty

Win the War Complete the game on any difficulty.

Distress Flare Answer the call for help

Mental Athlete Solve 70% of Riddler challenges

Communication Breakdown Clear the airwaves

Gladiator Last man standing

Ghillies In The Mist Complete 'All Ghillied Up' without alerting any enemies.

Wrecking Ball Stop the unstoppable

Riddle Resolver Solve 85% of Riddler challenges

Look Sharp Find 15 enemy intel items.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Lost And Found Uncover the secret of Arkham City

Feel the Heat Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.

Sandstorm We are legion