Batman: Arkham Asylum achievements

25.07%

Flawless Freeflow Fighter

Complete one combat challenge without taking damage

29.77%

World's Greatest Detective

Spirit of Amadeus Arkham revealed

31.09%

Crack The E Nigma

Solve every riddle on the island

35.02%

Riddle Resolver

Solve 85% of riddler challenges

35.93%

Catch!

Catch a Batarang (any play mode)

39.82%

Mental Athlete

Solve 70% of riddler challenges

40.81%

Night Glider

Glide continuously for over 100m

47.29%

Conundrum Cracker

Solve 55% of riddler challenges

48.05%

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).

58.05%

Bigger Bang

Complete story mode on Normal difficulty

59.68%

Mystery Solver

Solve 40% of riddler challenges