Batman: Arkham Asylum
Biggest Bang
Complete story mode on Hard difficulty
Earned on 2011-09-09 16:05:11
Predator Gold
Achieve 24 medals on predator challenges
Earned on 2011-09-09 16:05:11
Freeflow Combo 40
Complete a combo of 40 moves (any play mode)
Earned on 2011-08-26 04:14:23
Baneful Payback
Defeat Bane
Earned on 2009-10-25 01:54:57
Double Trouble
Defeat two Titan Henchmen at once
Earned on 2009-10-25 01:54:57
Solitary Confinement
Capture and lock up Harley Quinn
Earned on 2009-10-25 01:54:57
Resist The Fear
Conquer the effects of the Scarecrow's fear gas
Earned on 2009-10-25 01:54:57
Crocodile Tears
Venture into Killer Croc's lair and come out alive
Earned on 2009-10-25 01:54:57
??? 
World's Greatest Detective
Spirit of Amadeus Arkham revealed
Earned on 2009-10-12 06:09:44
Crack The E Nigma
Solve every riddle on the island
Earned on 2009-10-12 06:06:20
Bigger Bang
Complete story mode on Normal difficulty
Earned on 2009-10-12 05:35:38
Big Bang
Complete story mode on Easy difficulty
Earned on 2009-10-12 05:35:31
Riddle Resolver
Solve 85% of riddler challenges
Earned on 2009-10-12 02:54:42
Freeflow Combo 20
Complete a combo of 20 moves (any play mode)
Earned on 2009-10-12 00:45:50
Predator Silver
Achieve 16 medals on predator challenges
Earned on 2011-09-09 16:05:11
Party Pooper
KO all the henchmen celebrating your arrival at the party
Earned on 2011-09-09 16:05:11
Predator Bronze
Achieve 8 medals on predator challenges
Earned on 2011-08-26 06:14:23
Freeflow Bronze
Achieve 8 medals on combat challenges
Earned on 2011-08-26 04:14:23
Flawless Freeflow Fighter
Complete one combat challenge without taking damage
Earned on 2011-08-25 17:14:23
Catch!
Catch a Batarang (any play mode)
Earned on 2011-08-23 17:14:23
Rope-a-dope-a-dope
String up one henchman and drop him to surprise a second (any play mode).
Earned on 2011-08-13 17:14:23
Night Glider
Glide continuously for over 100m
Earned on 2011-08-13 17:14:23
Malpractice Needs More Practice
Survive the onslaught from the deformed Joker henchman
Earned on 2009-10-25 01:54:57
Born Free
Escape from Intensive Treatment to the island surface
Earned on 2009-10-25 01:54:57
Just What The Doctors Ordered
Save all the doctors in medical
Earned on 2009-10-25 01:54:57
Daydreamer
Survive the nightmare of the Scarecrow's fear gas
Earned on 2009-10-25 01:54:57
Breaking And Entering
Gain access to Administration after it is locked down by the Joker
Earned on 2009-10-25 01:54:57
Recurring Nightmare
Face your biggest fears and keep your sanity
Earned on 2009-10-25 01:54:57
Zsasz Cut Down To Size
Save Dr. Young from being killed by Victor Zsasz
Earned on 2009-10-25 01:54:57
Leave No Man Behind
Rescue the guards and henchman from the Joker toxin in Decontamination
Earned on 2009-10-25 01:54:57
Poisoned Ivy
Defeat the giant Titan Ivy plant
Earned on 2009-10-25 01:54:57
Freakshow Rodeo
Ride Titan henchman and knock down 10 thugs (any play mode)
Earned on 2009-10-12 00:43:57
Mental Athlete
Solve 70% of riddler challenges
Earned on 2009-10-10 03:58:36
Conundrum Cracker
Solve 55% of riddler challenges
Earned on 2009-10-10 00:21:54
Mystery Solver
Solve 40% of riddler challenges
Earned on 2009-10-08 08:44:11
Freeflow Combo 10
Complete a combo of 10 moves (any play mode)
Earned on 2009-10-08 06:08:58
Lateral Thinker
Solve 25% of riddler challenges
Earned on 2009-10-08 05:49:57
Cryptic Investigator
Solve 10% of riddler challenges
Earned on 2009-10-02 07:07:22
Arkham Analyst
Solve 5% of riddler challenges
Earned on 2009-10-02 06:08:13
Freeflow Combo 5
Complete a combo of 5 moves (any play mode)
Earned on 2009-10-01 06:23:33
