Serious Sam: Siberian Mayhem
Windows 10
- 8,780 Achievements Earned
- 989 Players Tracked
- 49 Total Achievements
- 11,975 Obtainable EXP
- 1,000 Gamerscore
- 30 100% Club
Complete Siberian Mayhem on Serious difficulty in Singleplayer
55
5.46%
Very Rare - 410.00 EXP
You have not earned this achievement yet
Log in to view progress