Serious Sam 3: BFE / Achievements
01Serious Run
Complete the game in single player in half the estimated time on each level.
- Unlocked by
- 2.6%
- Rarity
- Very rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Serious Sam 3: BFE / Achievements
Complete the game in single player in half the estimated time on each level.
Data from Steam — Steam Web API Terms of Use. Last updated .