Batman: Arkham Asylum achievements

8.02%
Perfect Knight
8.18%
Freeflow Gold
10.34%
Freeflow Perfection
10.42%
Freeflow Silver
11.73%
Predator Gold
13.12%
Predator Silver
15.74%
Freeflow Bronze
17.36%
Biggest Bang
18.52%
Invisible Predator
19.52%
Freeflow Combo 40
21.37%
Predator Bronze
25.31%
Mano-A-Mano