Biggest Bang
50Complete story mode on Hard difficulty
Unlocked: 28 Aug 2012 09:42:52
100% Complete
Unlocked: 22 Aug 2012 18:56:39
Achieve 24 medals on predator challenges
Unlocked: 22 Aug 2012 18:56:38
Achieve 24 medals on combat challenges
Unlocked: 22 Aug 2012 18:50:32
Achieve 16 medals on predator challenges
Unlocked: 22 Aug 2012 18:15:08
Solve Arkham's biggest mystery
Unlocked: 22 Aug 2012 18:05:46
Solve every riddle on the island
Unlocked: 22 Aug 2012 18:00:11
Solve 85% of Riddler challenges
Unlocked: 21 Aug 2012 19:25:15
Solve 70% of Riddler challenges
Unlocked: 21 Aug 2012 10:46:34
Catch!
5Catch a Batarang (any play mode)
Unlocked: 03 Aug 2012 20:22:01
Achieve 16 medals on combat challenges
Unlocked: 03 Aug 2012 20:01:45
Achieve 8 medals on predator challenges
Unlocked: 03 Aug 2012 19:47:33
Bigger Bang
50Complete story mode on Normal difficulty
Unlocked: 03 Aug 2012 19:41:10
Big Bang
50Complete story mode on Easy difficulty
Unlocked: 03 Aug 2012 19:41:09
Mano-A-Mano
10Take on a beast in hand to hand combat
Unlocked: 03 Aug 2012 19:30:29
Party Pooper
10Time to break up this party
Unlocked: 03 Aug 2012 18:58:33
Defeat the giant Titan Ivy plant
Unlocked: 03 Aug 2012 18:51:30
Ride a beast and unleash its power
Unlocked: 03 Aug 2012 18:27:12
Solve 55% of Riddler challenges
Unlocked: 03 Aug 2012 17:45:00
Venture into Killer Croc's lair and come out alive
Unlocked: 03 Aug 2012 17:07:56
Conquer the effects of the Scarecrow's fear gas
Unlocked: 03 Aug 2012 16:50:21
Complete one predator challenge by using only Silent Takedowns and without being detected
Unlocked: 03 Aug 2012 15:21:17
Perform a perfect combo including all of Batman's combat moves (any play mode)
Unlocked: 03 Aug 2012 14:52:49
Defeat two Titan Henchmen at once
Unlocked: 02 Aug 2012 17:30:46
Solve 40% of Riddler challenges
Unlocked: 02 Aug 2012 15:32:38
Achieve 8 medals on combat challenges
Unlocked: 01 Aug 2012 16:57:10
Complete a combo of 40 moves (any play mode)
Unlocked: 01 Aug 2012 16:56:55
Complete one combat challenge without taking damage
Unlocked: 01 Aug 2012 16:16:28
Capture and lock up Harley Quinn
Unlocked: 01 Aug 2012 16:07:38
Save Dr. Young from being killed by Victor Zsasz
Unlocked: 01 Aug 2012 15:02:53
Face your biggest fears and keep your sanity
Unlocked: 01 Aug 2012 14:59:45
Solve 25% of Riddler challenges
Unlocked: 01 Aug 2012 14:30:35
Gain access to Arkham Mansion after it is locked down by the Joker
Unlocked: 01 Aug 2012 12:09:26
Glide continuously for over 100m
Unlocked: 01 Aug 2012 12:08:33
Defeat Bane
Unlocked: 01 Aug 2012 11:27:41
Solve 10% of Riddler challenges
Unlocked: 28 Jul 2012 16:38:28
Survive the nightmare of the Scarecrow's fear gas
Unlocked: 28 Jul 2012 16:37:51
Save all the doctors in Medical
Unlocked: 28 Jul 2012 16:25:39
Complete a combo of 20 moves (any play mode)
Unlocked: 28 Jul 2012 15:22:13
Solve 5% of Riddler challenges
Unlocked: 28 Jul 2012 15:19:26
Escape from Intensive Treatment to the island surface
Unlocked: 28 Jul 2012 15:19:17
String up one henchman and drop him to surprise a second (any play mode)
Unlocked: 28 Jul 2012 15:08:18
Survive the onslaught from the deformed Joker henchman
Unlocked: 28 Jul 2012 14:51:13
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked: 28 Jul 2012 14:47:00
Take down Zsasz in the Patient Pacification Chamber
Unlocked: 28 Jul 2012 14:43:06
Complete a combo of 10 moves (any play mode)
Unlocked: 10 Jun 2012 11:59:17
Complete a combo of 5 moves (any play mode)
Unlocked: 10 Jun 2012 11:59:07