NETCHENKO

Cryptic Investigator Solve 10% of Riddler challenges

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

Night Glider Glide continuously for over 100m

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

Conundrum Cracker Solve 55% of Riddler challenges

Catch! Catch a Batarang (any play mode)

Bigger Bang Complete story mode on Normal difficulty

Mental Athlete Solve 70% of Riddler challenges

Riddle Resolver Solve 85% of Riddler challenges

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

Crack The E Nigma Solve every riddle on the island

World's Greatest Detective Spirit of Amadeus Arkham revealed

Dead on Arrival Complete Chapter 1 on any difficulty setting

Tool Time Kill 30 enemies with the Plasma Cutter

Lab Rat Complete Chapter 2 on any difficulty setting

Flawless Freeflow Fighter Complete one combat challenge without taking damage

All Systems Go Complete Chapter 3 on any difficulty setting

Brute Force Kill a Brute

Merchant Collect 8 schematics

Cannon Fodder Complete Chapter 4 on any difficulty setting

Harpoon Hurler Defeat Del Lago.

Story Teller Collect 75 Logs

True Believer Complete Chapter 5 on any difficulty setting

Revolt Against the Revolting Destroy a Clockwork Castellan.

Surgeon Dismember 500 Limbs

Amateur Shooter Complete a game at the shooting range.

Greenhouse Effect Complete Chapter 6 on any difficulty setting

Exterminator Kill the Leviathan

Talk About Near-Death Experience! Rescue Ashley as she's being carried away by the enemy.

Big Spender Spend 200,000 credits at the store

S.O.S. Complete Chapter 7 on any difficulty setting

Grilled Big Cheese Defeat Bitores Méndez.

Get off my ship! Kill the Slug Boss

Strange Transmissions Complete Chapter 8 on any difficulty setting

Invisible Predator Complete one predator challenge by using only Silent Takedowns and without being detected

Wreckage Complete Chapter 9 on any difficulty setting

Biggest Bang Complete story mode on Hard difficulty