Cowman3340

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

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

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

Cheater Cheater Activate a Tweak

Night Glider Glide continuously for over 100m

Follow the Leader Compare Statistics with Friends

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)

Cosplay Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Bigger Bang Complete story mode on Normal difficulty

Cheat Hard to Cheat Harder Activate a Tweak

Mental Athlete Solve 70% of Riddler challenges

Take Me to Your Leader Compare Statistics with Friends

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

Cosplay Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Leader of the Pack Compare Statistics with Friends

Cosplay Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Supernatural Born Killers Defeat 5 Descendants With a Sniper Rifle

Flawless Freeflow Fighter Complete one combat challenge without taking damage

I Gotta Believe! Complete Arcade Mode with PaRappa

Treasure Hunter Complete Arcade Mode with Nathan Drake

Cake, please! Complete Arcade Mode with Fat Princess

Oh Boys and Girls Complete Arcade Mode with Sweet Tooth

Helghast Commander Complete Arcade Mode with Radec

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

Revengeance Complete Arcade Mode with Raiden

Biggest Bang Complete story mode on Hard difficulty

Demon Hunter Complete Arcade Mode with Dante