Batman: Arkham Asylum achievements

68.64%

Big Bang

Complete story mode on Easy difficulty

70.36%

Freakshow Rodeo

Ride Titan henchman and knock down 10 thugs (any play mode)

73.39%

Freeflow Combo 20

Complete a combo of 20 moves (any play mode)

73.80%

Lateral Thinker

Solve 25% of riddler challenges

83.98%

Cryptic Investigator

Solve 10% of riddler challenges

88.01%

Arkham Analyst

Solve 5% of riddler challenges

89.32%

Freeflow Combo 10

Complete a combo of 10 moves (any play mode)

99.82%

Freeflow Combo 5

Complete a combo of 5 moves (any play mode)