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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

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

Mystery Solver Solve 40% of Riddler challenges

Katathian Handshake Execute an Auto-Combo with Drax.

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

Reaper Collect the Scythe

Night Glider Glide continuously for over 100m

Titular Achievement Earn 10 different titles.

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

Check Out My Dogs Customize your dog tags.

Elemental Thief Collect the Crossblade

Blind Justice Use the Eyes of Truth successfully

Timber! Execute an Auto-Combo with Groot.

Ring Ring Answer a ringing phone

Conundrum Cracker Solve 55% of Riddler challenges

Lifesaver Help or rescue your partner ten times.

Catch! Catch a Batarang (any play mode)

Get on the Plane Complete Chapter 3 in Leon's campaign.

Zombie Massacre Defeat 500 zombies.

Blood Oath Complete the MP Training in Olympus

Next time use the stairs Complete the Gauntlet of Archimedes

Big Trouble in China Complete Chapter 4 in Leon's campaign.

Bond Broken Complete the Game

Rescue the Hostages Complete Chapter 1 in Chris' campaign.

Aim Assist Execute an Auto-Combo with Rocket.

Bigger Bang Complete story mode on Normal difficulty

The Trouble with Women Complete Chapter 5 in Leon's campaign.

Bullet Hell Defeat 15 enemies with Star-Lord's Fan the Hammer ability.
3/15

Galactic Frugality Pay your Nova Corps fine.

Trained to Perfection Defeat 10 enemies with Gamora's Executioner ability.
6/10

Tragedy in Europe Complete Chapter 2 in Chris' campaign.

Distress Flare Answer the call for help

Altitude Adjustment Defeat 20 enemies with Star-Lord's Eye of the Hurricane.
5/20

Like A Bat Outta Hell Defeat Tiamat