Batman: Arkham Asylum Game of the Year Edition
Nightman's Progress
Shocking Rescue
Take down Zsasz in the Patient Pacification Chamber
Unlocked 24 Nov 2013 at 7:55 PM
Leave No Man Behind
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked 24 Nov 2013 at 7:58 PM
Malpractice Needs More Practice
Survive the onslaught from the deformed Joker henchman
Unlocked 24 Nov 2013 at 8:01 PM
Born Free
Escape from Intensive Treatment to the island surface
Unlocked 25 Nov 2013 at 4:42 PM
Just What The Doctors Ordered
Save all the doctors in medical
Unlocked 28 Nov 2013 at 11:09 PM
Daydreamer
Survive the nightmare of the Scarecrow's fear gas
Unlocked 28 Nov 2013 at 11:22 PM
Baneful Payback
Defeat Bane
Unlocked 28 Nov 2013 at 11:35 PM
Breaking And Entering
Gain access to Administration after it is locked down by the Joker
Unlocked 29 Nov 2013 at 4:27 PM
Recurring Nightmare
Face your biggest fears and keep your sanity
Unlocked 29 Nov 2013 at 5:56 PM
Zsasz Cut Down To Size
Save Dr. Young from being killed by Victor Zsasz
Unlocked 29 Nov 2013 at 6:00 PM
Solitary Confinement
Capture and lock up Harley Quinn
Unlocked 30 Nov 2013 at 3:57 PM
Double Trouble
Defeat two Titan Henchmen at once
Unlocked 30 Nov 2013 at 4:25 PM
Resist The Fear
Conquer the effects of the Scarecrow's fear gas
Unlocked 30 Nov 2013 at 5:08 PM
Crocodile Tears
Venture into Killer Croc's lair and come out alive
Unlocked 30 Nov 2013 at 5:22 PM
Poisoned Ivy
Defeat the giant Titan Ivy plant
Unlocked 1 Dec 2013 at 2:30 PM
Big Bang
Deliver an explosive knock out blow to the Joker (Easy difficulty)
Unlocked 1 Dec 2013 at 2:45 PM
Bigger Bang
Deliver an explosive knock out blow to the Joker (Normal difficulty)
Unlocked 1 Dec 2013 at 2:45 PM
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
Unlocked 1 Dec 2013 at 2:33 PM
Freeflow Combo 20
Complete a combo of 20 moves (any play mode)
Unlocked 25 Nov 2013 at 4:23 PM
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)
Unlocked 25 Nov 2013 at 4:54 PM
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 24 Nov 2013 at 7:50 PM
Freeflow Combo 10
Complete a combo of 10 moves (any play mode)
Unlocked 25 Nov 2013 at 4:18 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)
Unlocked 1 Dec 2013 at 2:13 PM
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
Unlocked 29 Nov 2013 at 6:24 PM
Crack The E Nigma
Solve every riddle on the island
Arkham Analyst
Solve 5% of Riddler challenges
Unlocked 28 Nov 2013 at 11:41 PM
Cryptic Investigator
Solve 10% of Riddler challenges
Unlocked 29 Nov 2013 at 5:40 PM
Lateral Thinker
Solve 25% of Riddler challenges
Unlocked 30 Nov 2013 at 5:12 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