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Aliens Colonial Marines

Xbox 360
  • 399,430 Achievements Earned
  • 19,291 Players Tracked
  • 60 Total Achievements
  • 12,260 Obtainable EXP
  • 1,250 Gamerscore
  • 544 100% Club
Entry Prohibited

Kill 10 Xenomorphs that are using vents

20
76.61% Common - 37.00 EXP

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