- How many Batman: Arkham Asylum achievements are there?
There are 47 achievements to unlock in Batman: Arkham Asylum worth a total of 1000 gamerscore.
Batman: Arkham Asylum Achievements
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There are 47 achievements with a total of 1000 points
Perform a perfect combo including all of Batman's combat moves (any play mode)
Complete one predator challenge by using only Silent Takedowns and without being detected