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Serious Sam: Siberian Mayhem

Windows 10
  • 8,783 Achievements Earned
  • 990 Players Tracked
  • 49 Total Achievements
  • 11,978 Obtainable EXP
  • 1,000 Gamerscore
  • 30 100% Club
Hero-glyphic

Get any medal on Horus Sanctuary survival level

15
6.87% Very Rare - 326.00 EXP

You have not earned this achievement yet