Batman: Arkham Asylum Game of the Year Edition
Shocking Rescue
Take down Zsasz in the Patient Pacification Chamber
Leave No Man Behind
Rescue the guards and henchman from the Joker toxin in Decontamination
Malpractice Needs More Practice
Survive the onslaught from the deformed Joker henchman
Born Free
Escape from Intensive Treatment to the island surface
Just What The Doctors Ordered
Save all the doctors in medical
Daydreamer
Survive the nightmare of the Scarecrow's fear gas
Baneful Payback
Defeat Bane
Breaking And Entering
Gain access to Administration 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
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)
Freeflow Combo 10
Complete a combo of 10 moves (any play mode)
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
Cryptic Investigator
Solve 10% of Riddler challenges
Lateral Thinker
Solve 25% of Riddler challenges
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