Serious Sam: Siberian Mayhem
Windows
- 15,913 Achievements Earned
- 1,440 Players Tracked
- 49 Total Achievements
- 7,400 Obtainable EXP
- 1,000 Gamerscore
- 108 100% Club
Defeat Sentry Tower with sole hoverboard firepower
20
11.11%
Very Rare - 209.00 EXP
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