Batman: Arkham Asylum
Xbox 360
- 33,927 Achievements Earned
- 1,113 Players Tracked
- 47 Total Achievements
- 2,672 Obtainable EXP
- 1,000 Gamerscore
- 315 100% Club
Complete one predator challenge by using only Silent Takedowns and without being detected
10
40.43%
Uncommon - 80.00 EXP
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