Batman: Arkham Asylum achievements

25.14%
Flawless Freeflow Fighter
Complete one combat challenge without taking damage
29.84%
World's Greatest Detective
Spirit of Amadeus Arkham revealed
31.15%
Crack The E Nigma
Solve every riddle on the island
35.08%
Riddle Resolver
Solve 85% of riddler challenges
35.94%
Catch!
Catch a Batarang (any play mode)
39.87%
Mental Athlete
Solve 70% of riddler challenges
40.87%
Night Glider
Glide continuously for over 100m
47.33%
Conundrum Cracker
Solve 55% of riddler challenges
48.06%
Party Pooper
KO all the henchmen celebrating your arrival at the party
52.85%
Rope-A-Dope-A-Dope
String up one henchman and drop him to surprise a second (any play mode).
58.09%
Bigger Bang
Complete story mode on Normal difficulty
59.72%
Mystery Solver
Solve 40% of riddler challenges