Biggest Bang
50Complete story mode on Hard difficulty
Unlocked: 18 Jan 2010 21:48:12
Complete a combo of 40 moves (any play mode)
Unlocked: 18 Jan 2010 21:48:12
Mano-A-Mano
10Take on a beast in hand to hand combat
Unlocked: 18 Jan 2010 21:48:12
Perform a perfect combo including all of Batman's combat moves (any play mode)
Unlocked: 18 Jan 2010 21:48:12
Achieve 8 medals on combat challenges
Unlocked: 18 Jan 2010 21:48:12
Achieve 16 medals on combat challenges
Unlocked: 18 Jan 2010 21:48:12
Achieve 24 medals on combat challenges
Unlocked: 18 Jan 2010 21:48:12
Achieve 16 medals on predator challenges
Unlocked: 18 Jan 2010 21:48:12
Achieve 24 medals on predator challenges
Unlocked: 18 Jan 2010 21:48:12
Solve every riddle on the island
Unlocked: 18 Jan 2010 21:48:12
Solve 70% of Riddler challenges
Unlocked: 18 Jan 2010 21:48:12
Solve 85% of Riddler challenges
Unlocked: 18 Jan 2010 21:48:12
Solve Arkham's biggest mystery
Unlocked: 18 Jan 2010 21:48:12
100% Complete
Unlocked: 18 Jan 2010 21:48:12
Achieve 8 medals on predator challenges
Unlocked: 08 Oct 2009 18:15:39
Complete one predator challenge by using only Silent Takedowns and without being detected
Unlocked: 08 Oct 2009 17:31:32
String up one henchman and drop him to surprise a second (any play mode)
Unlocked: 08 Oct 2009 16:48:39
Big Bang
50Complete story mode on Easy difficulty
Unlocked: 08 Oct 2009 14:28:23
Bigger Bang
50Complete story mode on Normal difficulty
Unlocked: 08 Oct 2009 14:28:23
Defeat the giant Titan Ivy plant
Unlocked: 08 Oct 2009 12:31:46
Ride a beast and unleash its power
Unlocked: 08 Oct 2009 11:22:50
Solve 55% of Riddler challenges
Unlocked: 08 Oct 2009 11:11:18
Venture into Killer Croc's lair and come out alive
Unlocked: 08 Oct 2009 10:23:42
Conquer the effects of the Scarecrow's fear gas
Unlocked: 08 Oct 2009 09:39:07
Defeat two Titan Henchmen at once
Unlocked: 04 Oct 2009 18:33:32
Solve 40% of Riddler challenges
Unlocked: 01 Oct 2009 19:03:02
Complete one combat challenge without taking damage
Unlocked: 30 Sep 2009 21:21:32
Capture and lock up Harley Quinn
Unlocked: 30 Sep 2009 20:34:33
Save Dr. Young from being killed by Victor Zsasz
Unlocked: 30 Sep 2009 19:20:04
Face your biggest fears and keep your sanity
Unlocked: 30 Sep 2009 18:48:17
Solve 25% of Riddler challenges
Unlocked: 30 Sep 2009 18:25:54
Gain access to Arkham Mansion after it is locked down by the Joker
Unlocked: 07 Sep 2009 19:51:52
Glide continuously for over 100m
Unlocked: 07 Sep 2009 19:44:45
Catch!
5Catch a Batarang (any play mode)
Unlocked: 07 Sep 2009 19:44:19
Solve 10% of Riddler challenges
Unlocked: 07 Sep 2009 19:03:53
Defeat Bane
Unlocked: 07 Sep 2009 16:13:53
Complete a combo of 20 moves (any play mode)
Unlocked: 07 Sep 2009 16:13:19
Survive the nightmare of the Scarecrow's fear gas
Unlocked: 07 Sep 2009 15:42:27
Save all the doctors in Medical
Unlocked: 07 Sep 2009 15:02:44
Solve 5% of Riddler challenges
Unlocked: 07 Sep 2009 14:37:49
Escape from Intensive Treatment to the island surface
Unlocked: 06 Sep 2009 10:51:40
Complete a combo of 10 moves (any play mode)
Unlocked: 06 Sep 2009 09:30:09
Survive the onslaught from the deformed Joker henchman
Unlocked: 06 Sep 2009 08:50:38
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked: 06 Sep 2009 08:05:12
Take down Zsasz in the Patient Pacification Chamber
Unlocked: 06 Sep 2009 07:56:26
Complete a combo of 5 moves (any play mode)
Unlocked: 05 Sep 2009 12:17:46
Party Pooper
10Time to break up this party
Unlocked: Offline