Serious Sam HD: The First Encounter / Achievements
01Backstabber
Frag 100 players with a knife from behind.
- Unlocked by
- 2.1%
- Rarity
- Very rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Serious Sam HD: The First Encounter / Achievements
Frag 100 players with a knife from behind.
Data from Steam — Steam Web API Terms of Use. Last updated .