Batman: Arkham Asylum Game of the Year Edition
Sugoi Sauce~'s Progress
Shocking Rescue
Take down Zsasz in the Patient Pacification Chamber
Unlocked 27 May 2015 at 1:22 PM
Leave No Man Behind
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked 27 May 2015 at 1:28 PM
Malpractice Needs More Practice
Survive the onslaught from the deformed Joker henchman
Unlocked 27 May 2015 at 1:34 PM
Born Free
Escape from Intensive Treatment to the island surface
Unlocked 27 May 2015 at 2:08 PM
Just What The Doctors Ordered
Save all the doctors in medical
Unlocked 28 May 2015 at 1:36 PM
Daydreamer
Survive the nightmare of the Scarecrow's fear gas
Unlocked 28 May 2015 at 1:50 PM
Baneful Payback
Defeat Bane
Unlocked 28 May 2015 at 2:03 PM
Breaking And Entering
Gain access to Administration after it is locked down by the Joker
Unlocked 2 Jun 2015 at 8:20 PM
Recurring Nightmare
Face your biggest fears and keep your sanity
Unlocked 23 Jun 2015 at 10:20 PM
Zsasz Cut Down To Size
Save Dr. Young from being killed by Victor Zsasz
Unlocked 23 Jun 2015 at 10:24 PM
Solitary Confinement
Capture and lock up Harley Quinn
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
Poisoned Ivy
Defeat the giant Titan Ivy plant
Big Bang
Deliver an explosive knock out blow to the Joker (Easy difficulty)
Bigger Bang
Deliver an explosive knock out blow to the Joker (Normal difficulty)
Biggest Bang
Deliver an explosive knock out blow to the Joker (Hard difficulty)
Party Pooper
KO all the henchmen celebrating your arrival at the party
Freeflow Combo 20
Complete a combo of 20 moves (any play mode)
Freeflow Combo 40
Complete a combo of 40 moves (any play mode)
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)
Mano-a-mano
Defeat Titan henchman without using Batarangs (any play mode)
Catch!
Catch a Batarang (any play mode)
Freeflow Combo 5
Complete a combo of 5 moves (any play mode)
Unlocked 27 May 2015 at 1:12 PM
Freeflow Combo 10
Complete a combo of 10 moves (any play mode)
Unlocked 27 May 2015 at 2:14 PM
Freeflow Perfection
Perform a perfect combo including all of Batman's combat moves (any play mode)
Freak Show Rodeo
Ride a Titan henchman and knock down 5 thugs (any play mode)
Freeflow Bronze
Achieve 8 medals on combat challenges
Freeflow Silver
Achieve 16 medals on combat challenges
Freeflow Gold
Achieve 24 medals on combat challenges
Predator Bronze
Achieve 8 medals on predator challenges
Predator Silver
Achieve 16 medals on predator challenges
Predator Gold
Achieve 24 medals on predator
Invisible Predator
Complete one predator challenge by using only Silent Takedowns and without being detected
Flawless Freeflow Fighter
Complete one combat challenge without taking damage
Crack The E Nigma
Solve every riddle on the island
Arkham Analyst
Solve 5% of Riddler challenges
Unlocked 27 May 2015 at 2:03 PM
Cryptic Investigator
Solve 10% of Riddler challenges
Unlocked 28 May 2015 at 1:22 PM
Lateral Thinker
Solve 25% of Riddler challenges
Unlocked 23 Jun 2015 at 9:48 PM
Mystery Solver
Solve 40% of Riddler challenges
Conundrum Cracker
Solve 55% of Riddler challenges
Mental Athlete
Solve 70% of Riddler challenges
Riddle Resolver
Solve 85% of Riddler challenges
World's Greatest Detective
Spirit of Amadeus Arkham revealed
Perfect Knight
100% Complete