There are a maximum of 47 Batman: Arkham Asylum achievements worth 1,801 (1,000)
10,457 tracked gamers have this game, 1,003 have completed it (9.59%)
Have you met the achievement requirements and it hasn't unlocked? Is it stuck at 100% or saying "Done! Unlocking"?
If so please click here to visit the achievement page on Xbox.com and it should resolve the issue.
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