Mamout

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

Gotta Hand It To You Defeat the infected Hand of Aegaeon

Obedience Stopped the experiment voluntarily.

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)

Biting the Hand that Feeds You Defeat Megaera and the Titan Hecatonchires

Double Trouble Defeat two Titan Henchmen at once

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

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

That's Gonna Leave a Mark Spill 500 buckets of blood on Kratos

Open Minded Win the Buttonless MiniGame against a Juggernaut

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

Stealth Apprentice Completed all stealth training without being spotted.

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

Defeated Peach Wilkins The player has defeated Peach Wilkins

Clean Job Shut down the monitor and finished the mission using only Aiden.

Upgraded a Weapon The player has acquired at least one weapon upgrade

Poisoned Ivy Defeat the giant Titan Ivy plant

Big Bang Complete story mode on Easy difficulty

Unleashed Throw, Slam and Ram a grappled enemy

Basic Inventor The player has successfully invented at least one item

Together Forever Protected Jodie from her attackers.

Big Spender Upgrade any Magic to the next level

Tools of the Trade Use All 5 World Weapons in Combat

Snakes on a Train Ride the snake back to the Tower of Delphi

Hot Lunch Win the Buttonless MiniGame against a Manticore

Mystery Solver Solve 40% of Riddler challenges

Round and Round Solve the Rolling Crusher Puzzle

Restored the Forest The player has restored the forests of Arcadia

One Fully Upgraded Weapon The player has fully upgraded one weapon

Gateway Gas Breathe the toxic gases within the Oracle's Temple

Completed Cohen's Masterpiece The player has completed Sander Cohen's great masterpiece

Quaid!!! Defeat Pollux

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

Maxed One Track The player has purchased every slot in one of the Plasmid or Tonic tracks

Two Fully Upgraded Weapons The player has fully upgraded two weapons

Chimney Sweep There is only one way in

Defeated Andrew Ryan The player has defeated Andrew Ryan

Skilled Hacker The player has successfully completed 50 hacks

Handyman Reconstruct the Water Wheel of Kirra

Broke Fontaine's Mind Control The player has broken Fontaine's mind control

Became a Big Daddy The player has become a Big Daddy