Big Bang - 50 points
Complete story mode on Easy difficulty
Bigger Bang - 50 points
Complete story mode on Normal difficulty
Biggest Bang - 50 points
Complete story mode on Hard difficulty
Party Pooper -10 points
Time to break up this party
Freeflow Combo 20 - 10 points
Complete a combo of 20 moves (any play mode)
Freeflow Combo 40 - 10 points
Complete a combo of 40 moves (any play mode)
Night Glider - 5 points
Glide continuously for over 100m
Rope-A-Dope-A-Dope - 10 points
String up one henchman and drop him to surprise a second (any play mode)
Mano-A-Mano - 10 points
Take on a beast in hand to hand combat
Catch! - 5 points
Catch a Batarang (any play mode)
Freeflow Combo 5 - 5 points
Complete a combo of 5 moves (any play mode)
Freeflow Combo 10 - 5 points
Complete a combo of 10 moves (any play mode)
Freeflow Perfection - 10 points
Perform a perfect combo including all of Batman's combat moves (any play mode)
Freakshow Rodeo - 10 points
Ride a beast and unleash its power
Freeflow Bronze - 10 points
Achieve 8 medals on combat challenges
Freeflow Silver - 25 points
Achieve 16 medals on combat challenges
Freeflow Gold - 50 points
Achieve 24 medals on combat challenges
Predator Bronze - 10 points
Achieve 8 medals on predator challenges
Predator Silver - 25 points
Achieve 16 medals on predator challenges
Predator Gold - 50 points
Achieve 24 medals on predator challenges
Invisible Predator - 10 points
Complete one predator challenge by using only Silent Takedowns and without being detected
Flawless Freeflow Fighter - 10 points
Complete one combat challenge without taking damage
Crack The E Nigma - 20 points
Solve every riddle on the island
Arkham Analyst - 20 points
Solve 5% of Riddler challenges
Cryptic Investigator - 20 points
Solve 10% of Riddler challenges
Lateral Thinker - 20 points
Solve 25% of Riddler challenges
Mystery Solver - 20 points
Solve 40% of Riddler challenges
Conundrum Cracker - 20 points
Solve 55% of Riddler challenges
Mental Athlete - 20 points
Solve 70% of Riddler challenges
Riddle Resolver - 20 points
Solve 85% of Riddler challenges
World's Greatest Detective - 20 points
Solve Arkham's biggest mystery
Perfect Knight - 75 points
100% Complete
Secret Achievements
Shocking Rescue - 10 points
Take down Zsasz in the Patient Pacification Chamber
Leave No Man Behind - 10 points
Rescue the guards and henchman from the Joker toxin in Decontamination
Malpractice Needs More Practice - 10 points
Survive the onslaught from the deformed Joker henchman
Born Free - 10 points
Escape from Intensive Treatment to the island surface
Just What The Doctors Ordered - 10 points
Save all the doctors in Medical
Daydreamer - 10 points
Survive the nightmare of the Scarecrow's fear gas
Baneful Payback - 25 points
Defeat Bane
Breaking And Entering - 10 points
Gain access to Arkham Mansion after it is locked down by the Joker
Recurring Nightmare - 10 points
Face your biggest fears and keep your sanity
Zsasz Cut Down To Size - 10 points
Save Dr. Young from being killed by Victor Zsasz
Solitary Confinement - 25 points
Capture and lock up Harley Quinn
Double Trouble - 25 points
Defeat two Titan Henchmen at once
Resist The Fear - 50 points
Conquer the effects of the Scarecrow's fear gas
Crocodile Tears - 50 points
Venture into Killer Croc's lair and come out alive
Poisoned Ivy - 50 points
Defeat the giant Titan Ivy plant