10 Born FreeEscape from Intensive Treatment to the island surface
10 Breaking And EnteringGain access to Arkham Mansion after it is locked down by the Joker
10 DaydreamerSurvive the nightmare of the Scarecrow's fear gas
10 Flawless Freeflow FighterComplete one combat challenge without taking damage
10 Freakshow RodeoRide Titan henchman and knock down 10 thugs (any play mode)
10 Freeflow BronzeAchieve 8 medals on combat challenges
10 Freeflow Combo 20Complete a combo of 20 moves (any play mode)
10 Freeflow Combo 40Complete a combo of 40 moves (any play mode)
10 Freeflow PerfectionPerform a perfect combo including all of Batman's combat moves (any play mode)
10 Invisible PredatorComplete one predator challenge by using only Silent Takedowns and without being detected
10 Just What The Doctors OrderedSave all the doctors in Medical
10 Leave No Man BehindRescue the guards and henchman from the Joker toxin in Decontamination
10 Malpractice Needs More PracticeSurvive the onslaught from the deformed Joker henchman
10 Mano-A-ManoDefeat Titan henchman without using Batarangs (any play mode)
10 Party PooperKO all the henchmen celebrating your arrival at the party
10 Predator BronzeAchieve 8 medals on predator challenges
10 Recurring NightmareFace your biggest fears and keep your sanity
10 Rope-A-Dope-A-DopeString up one henchman and drop him to surprise a second (any play mode)
10 Shocking RescueTake down Zsasz in the Patient Pacification Chamber
10 Zsasz Cut Down To SizeSave Dr. Young from being killed by Victor Zsasz
10 Arkham AnalystSolve 5% of Riddler challenges
20 Conundrum CrackerSolve 55% of Riddler challenges
20 Crack The E NigmaSolve every riddle on the island
20 Cryptic InvestigatorSolve 10% of Riddler challenges
20 Lateral ThinkerSolve 25% of Riddler challenges
20 Mental AthleteSolve 70% of Riddler challenges
20 Mystery SolverSolve 40% of Riddler challenges
20 Riddle ResolverSolve 85% of Riddler challenges
20 World's Greatest DetectiveSpirit of Amadeus Arkham revealed
25 Baneful PaybackDefeat Bane
25 Double TroubleDefeat two Titan Henchmen at once
25 Freeflow SilverAchieve 16 medals on combat challenges
25 Predator SilverAchieve 16 medals on predator challenges
25 Solitary ConfinementCapture and lock up Harley Quinn
5 Catch!Catch a Batarang (any play mode)
5 Freeflow Combo 10Complete a combo of 10 moves (any play mode)
5 Freeflow Combo 5Complete a combo of 5 moves (any play mode)
5 Night GliderGlide continuously for over 100m
50 Big BangComplete story mode on Easy difficulty
50 Bigger BangComplete story mode on Normal difficulty
50 Biggest BangComplete story mode on Hard difficulty
50 Crocodile TearsVenture into Killer Croc's lair and come out alive
50 Freeflow GoldAchieve 24 medals on combat challenges
50 Poisoned IvyDefeat the giant Titan Ivy plant
50 Predator GoldAchieve 24 medals on predator challenges
50 Resist The FearConquer the effects of the Scarecrow's fear gas
75 Perfect Knight100% Complete