Take down Zsasz in the Patient Pacification Chamber
Unlocked: 17 Mar 2011 19:53:11
Rescue the guards and henchman from the Joker toxin in Decontamination
Unlocked: 17 Mar 2011 19:53:11
Survive the onslaught from the deformed Joker henchman
Unlocked: 17 Mar 2011 19:53:11
Escape from Intensive Treatment to the island surface
Unlocked: 17 Mar 2011 19:53:11
Save all the doctors in Medical
Unlocked: 17 Mar 2011 19:53:11
Survive the nightmare of the Scarecrow's fear gas
Unlocked: 17 Mar 2011 19:53:11
Defeat Bane
Unlocked: 17 Mar 2011 19:53:11
Gain access to Arkham Mansion after it is locked down by the Joker
Unlocked: 17 Mar 2011 19:53:11
Face your biggest fears and keep your sanity
Unlocked: 17 Mar 2011 19:53:11
Save Dr. Young from being killed by Victor Zsasz
Unlocked: 17 Mar 2011 19:53:11
Capture and lock up Harley Quinn
Unlocked: 17 Mar 2011 19:53:11
Defeat two Titan Henchmen at once
Unlocked: 17 Mar 2011 19:53:11
Conquer the effects of the Scarecrow's fear gas
Unlocked: 17 Mar 2011 19:53:11
Venture into Killer Croc's lair and come out alive
Unlocked: 17 Mar 2011 19:53:11
Defeat the giant Titan Ivy plant
Unlocked: 17 Mar 2011 19:53:11
Big Bang
50Complete story mode on Easy difficulty
Unlocked: 17 Mar 2011 19:53:11
Bigger Bang
50Complete story mode on Normal difficulty
Unlocked: 17 Mar 2011 19:53:11
Biggest Bang
50Complete story mode on Hard difficulty
Unlocked: 17 Mar 2011 19:53:11
Party Pooper
10Time to break up this party
Unlocked: 17 Mar 2011 19:53:11
Complete a combo of 20 moves (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Complete a combo of 40 moves (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Glide continuously for over 100m
Unlocked: 17 Mar 2011 19:53:11
String up one henchman and drop him to surprise a second (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Mano-A-Mano
10Take on a beast in hand to hand combat
Unlocked: 17 Mar 2011 19:53:11
Catch!
5Catch a Batarang (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Complete a combo of 5 moves (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Complete a combo of 10 moves (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Perform a perfect combo including all of Batman's combat moves (any play mode)
Unlocked: 17 Mar 2011 19:53:11
Ride a beast and unleash its power
Unlocked: 17 Mar 2011 19:53:11
Achieve 8 medals on combat challenges
Unlocked: 17 Mar 2011 19:53:11
Achieve 16 medals on combat challenges
Unlocked: 17 Mar 2011 19:53:11
Achieve 24 medals on combat challenges
Unlocked: 17 Mar 2011 19:53:11
Achieve 8 medals on predator challenges
Unlocked: 17 Mar 2011 19:53:11
Achieve 16 medals on predator challenges
Unlocked: 17 Mar 2011 19:53:11
Achieve 24 medals on predator challenges
Unlocked: 17 Mar 2011 19:53:11
Complete one predator challenge by using only Silent Takedowns and without being detected
Unlocked: 17 Mar 2011 19:53:11
Complete one combat challenge without taking damage
Unlocked: 17 Mar 2011 19:53:11
Solve every riddle on the island
Unlocked: 17 Mar 2011 19:53:11
Solve 5% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 10% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 25% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 40% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 55% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 70% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve 85% of Riddler challenges
Unlocked: 17 Mar 2011 19:53:11
Solve Arkham's biggest mystery
Unlocked: 17 Mar 2011 19:53:11
100% Complete
Unlocked: 17 Mar 2011 19:53:11