Cannonhappy

Freeflow Combo 5 Complete a combo of 5 moves (any play mode)

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

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

Good Riot Good guys stand up and take the heat.

Good Eats Good guys feed the needy.

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)

Matador Win the first Minotaur fight

Arkham Analyst Solve 5% of Riddler challenges

Rocking Out Acquire Medusa’s Gaze

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

Clean Up Your Act Defeat Sasha.

True Potential Purchase every upgrade for a single power.

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

Stunt Coordinator Complete 10 of the stunts on the stunt list.

Bolt Action Acquire Zeus’ Fury

Good Train Good guys proactively facilitate transportation solutions.

Chrysalis Finish Episode 1: Chrysalis

Red Eye Take optional photo #5 in Episode 1: Chrysalis

Red Baron Take down 100 enemies while they are airborne.

Solitary Confinement Capture and lock up Harley Quinn

50 Kills: PM - 9mm Kill 50 Enemies with the PM - 9m

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

Electric Hobo Ride the train for 2 kilometers.

Road Kill Take down 25 enemies while riding on the roof of a moving vehicle.

Don't They Ever Shut Up! Defeat the Desert Sirens

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

Hitman Get a 100 Hits Combo

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

Fish in a Barrel Kill 50 enemies by using water.

Sword Man Acquire Blade of Artemis

Good Exposure Good guys are heroes to others.

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

The Frequency of Fear Scan Gotham City to pinpoint Scarecrow's location.

Novice Fortune Hunter Find 10 Treasures

Poisoned Ivy Defeat the giant Titan Ivy plant

Taking Out The Trash Defeat Alden.

Get the Ball Rolling Complete the Challenge of Atlas

Drop Everything Thunder Drop for a total distance of at least 500 meters.

Big Bang Complete story mode on Easy difficulty

Roll Over ... and Die Win the first Cerberus fight

Totally Baked Complete the Sacrifice