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XCOM: Enemy Within

Xbox 360
  • 59,511 Achievements Earned
  • 4,459 Players Tracked
  • 30 Total Achievements
  • 7,834 Obtainable EXP
  • 1,000 Gamerscore
  • 319 100% Club
Elite Defense

Beat a new special mission without losing any assets

40
65.62% Common - 133.00 EXP

You have not earned this achievement yet