Perform a perfect combo including all of Batman's combat moves (any play mode)
Unlocked: 11 Sep 2010 15:37:52
Mano-A-Mano
10Take on a beast in hand to hand combat
Unlocked: 11 Sep 2010 15:31:26
Complete one predator challenge by using only Silent Takedowns and without being detected
Unlocked: 11 Sep 2010 15:16:39
100% Complete
Unlocked: 11 Sep 2010 15:12:47
Achieve 24 medals on predator challenges
Unlocked: 11 Sep 2010 15:12:46
Achieve 16 medals on predator challenges
Unlocked: 11 Sep 2010 14:27:29
Achieve 8 medals on predator challenges
Unlocked: 11 Sep 2010 13:28:27
Achieve 24 medals on combat challenges
Unlocked: 11 Sep 2010 13:18:46
Achieve 16 medals on combat challenges
Unlocked: 11 Sep 2010 11:51:59
Achieve 8 medals on combat challenges
Unlocked: 10 Sep 2010 21:57:19
Complete one combat challenge without taking damage
Unlocked: 10 Sep 2010 21:45:48
Biggest Bang
50Complete story mode on Hard difficulty
Unlocked: 10 Sep 2010 21:02:18
Bigger Bang
50Complete story mode on Normal difficulty
Unlocked: 10 Sep 2010 21:02:17
Big Bang
50Complete story mode on Easy difficulty
Unlocked: 10 Sep 2010 21:02:16
Party Pooper
10Time to break up this party
Unlocked: 10 Sep 2010 19:30:23
Solve Arkham's biggest mystery
Unlocked: 10 Sep 2010 19:18:46
Solve every riddle on the island
Unlocked: 10 Sep 2010 19:10:06
Solve 85% of Riddler challenges
Unlocked: 10 Sep 2010 17:44:14
Solve 70% of Riddler challenges
Unlocked: 10 Sep 2010 16:49:01
Defeat the giant Titan Ivy plant
Unlocked: 10 Sep 2010 16:47:51
Complete a combo of 40 moves (any play mode)
Unlocked: 10 Sep 2010 15:41:35
Ride a beast and unleash its power
Unlocked: 10 Sep 2010 14:59:52
Venture into Killer Croc's lair and come out alive
Unlocked: 10 Sep 2010 14:19:48
Conquer the effects of the Scarecrow's fear gas
Unlocked: 10 Sep 2010 13:52:57
String up one henchman and drop him to surprise a second (any play mode)
Unlocked: 10 Sep 2010 13:03:36
Defeat two Titan Henchmen at once
Unlocked: 10 Sep 2010 12:50:26
Solve 55% of Riddler challenges
Unlocked: 10 Sep 2010 12:38:57
Solve 40% of Riddler challenges
Unlocked: 10 Sep 2010 11:44:41
Capture and lock up Harley Quinn
Unlocked: 10 Sep 2010 11:44:09
Catch!
5Catch a Batarang (any play mode)
Unlocked: 10 Sep 2010 11:05:47
Save Dr. Young from being killed by Victor Zsasz
Unlocked: 10 Sep 2010 00:32:35
Face your biggest fears and keep your sanity
Unlocked: 10 Sep 2010 00:28:12
Solve 25% of Riddler challenges
Unlocked: 09 Sep 2010 23:11:13
Gain access to Arkham Mansion after it is locked down by the Joker
Unlocked: 09 Sep 2010 23:02:24
Glide continuously for over 100m
Unlocked: 09 Sep 2010 23:01:49
Defeat Bane
Unlocked: 09 Sep 2010 22:10:12
Survive the nightmare of the Scarecrow's fear gas
Unlocked: 09 Sep 2010 21:56:07
Save all the doctors in Medical
Unlocked: 09 Sep 2010 21:29:52
Solve 10% of Riddler challenges
Unlocked: 09 Sep 2010 21:22:59
Complete a combo of 20 moves (any play mode)
Unlocked: 09 Sep 2010 21:13:08
Solve 5% of Riddler challenges
Unlocked: 09 Sep 2010 20:52:15
Escape from Intensive Treatment to the island surface
Unlocked: 09 Sep 2010 20:50:31
Survive the onslaught from the deformed Joker henchman
Unlocked: 09 Sep 2010 15:51:15
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked: 09 Sep 2010 15:46:03
Take down Zsasz in the Patient Pacification Chamber
Unlocked: 09 Sep 2010 15:42:01
Complete a combo of 10 moves (any play mode)
Unlocked: 09 Sep 2010 15:36:28
Complete a combo of 5 moves (any play mode)
Unlocked: 09 Sep 2010 15:35:48