Serious Sam 3: BFE / Achievements
01Look, it's a secret
Find at least 50 secrets in single player.
- Unlocked by
- 4.8%
- Rarity
- Very rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Serious Sam 3: BFE / Achievements
Find at least 50 secrets in single player.
Data from Steam — Steam Web API Terms of Use. Last updated .