100% Complete
Unlocked: 20 Apr 2011 22:44:44
Achieve 24 medals on combat challenges
Unlocked: 20 Apr 2011 22:44:43
Achieve 24 medals on predator challenges
Unlocked: 20 Apr 2011 22:30:12
Solve Arkham's biggest mystery
Unlocked: 30 Mar 2011 00:23:48
Achieve 16 medals on predator challenges
Unlocked: 30 Mar 2011 00:00:29
Achieve 16 medals on combat challenges
Unlocked: 29 Mar 2011 20:49:09
Achieve 8 medals on predator challenges
Unlocked: 29 Mar 2011 19:49:41
Achieve 8 medals on combat challenges
Unlocked: 29 Mar 2011 19:32:54
Complete one predator challenge by using only Silent Takedowns and without being detected
Unlocked: 29 Mar 2011 19:14:05
Complete one combat challenge without taking damage
Unlocked: 29 Mar 2011 19:06:11
Perform a perfect combo including all of Batman's combat moves (any play mode)
Unlocked: 29 Mar 2011 19:04:24
Solve every riddle on the island
Unlocked: 29 Mar 2011 18:54:59
Solve 85% of Riddler challenges
Unlocked: 29 Mar 2011 17:58:28
Big Bang
50Complete story mode on Easy difficulty
Unlocked: 29 Mar 2011 17:13:51
Bigger Bang
50Complete story mode on Normal difficulty
Unlocked: 29 Mar 2011 17:13:51
Biggest Bang
50Complete story mode on Hard difficulty
Unlocked: 29 Mar 2011 17:13:51
Party Pooper
10Time to break up this party
Unlocked: 29 Mar 2011 16:39:04
Defeat the giant Titan Ivy plant
Unlocked: 29 Mar 2011 16:34:05
Solve 70% of Riddler challenges
Unlocked: 29 Mar 2011 16:14:21
Ride a beast and unleash its power
Unlocked: 29 Mar 2011 15:54:59
Venture into Killer Croc's lair and come out alive
Unlocked: 29 Mar 2011 15:18:48
Conquer the effects of the Scarecrow's fear gas
Unlocked: 29 Mar 2011 14:56:31
Solve 55% of Riddler challenges
Unlocked: 29 Mar 2011 14:41:30
Complete a combo of 40 moves (any play mode)
Unlocked: 29 Mar 2011 14:29:01
Defeat two Titan Henchmen at once
Unlocked: 29 Mar 2011 14:00:48
Mano-A-Mano
10Take on a beast in hand to hand combat
Unlocked: 29 Mar 2011 14:00:03
Solve 40% of Riddler challenges
Unlocked: 29 Mar 2011 13:10:15
Capture and lock up Harley Quinn
Unlocked: 29 Mar 2011 13:03:39
Save Dr. Young from being killed by Victor Zsasz
Unlocked: 29 Mar 2011 01:51:36
Face your biggest fears and keep your sanity
Unlocked: 29 Mar 2011 01:47:51
Solve 25% of Riddler challenges
Unlocked: 29 Mar 2011 01:15:34
Gain access to Arkham Mansion after it is locked down by the Joker
Unlocked: 29 Mar 2011 01:08:19
Defeat Bane
Unlocked: 19 Mar 2011 17:18:01
Survive the nightmare of the Scarecrow's fear gas
Unlocked: 19 Mar 2011 17:04:31
Save all the doctors in Medical
Unlocked: 19 Mar 2011 16:52:47
Catch!
5Catch a Batarang (any play mode)
Unlocked: 19 Mar 2011 16:18:29
Solve 10% of Riddler challenges
Unlocked: 19 Mar 2011 16:13:18
Glide continuously for over 100m
Unlocked: 19 Mar 2011 15:59:42
Solve 5% of Riddler challenges
Unlocked: 19 Mar 2011 15:57:11
Escape from Intensive Treatment to the island surface
Unlocked: 19 Mar 2011 15:54:57
String up one henchman and drop him to surprise a second (any play mode)
Unlocked: 19 Mar 2011 15:48:26
Survive the onslaught from the deformed Joker henchman
Unlocked: 19 Mar 2011 15:27:59
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked: 19 Mar 2011 15:23:16
Take down Zsasz in the Patient Pacification Chamber
Unlocked: 19 Mar 2011 15:17:42
Complete a combo of 20 moves (any play mode)
Unlocked: 19 Mar 2011 15:08:43
Complete a combo of 10 moves (any play mode)
Unlocked: 19 Mar 2011 15:07:57
Complete a combo of 5 moves (any play mode)
Unlocked: 19 Mar 2011 15:07:29