Serious Sam HD: The First Encounter / Achievements
01Co-op Beginner
Complete any level in co-op.
- Unlocked by
- 37.3%
- Rarity
- Uncommon
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Serious Sam HD: The First Encounter / Achievements
Complete any level in co-op.
Data from Steam — Steam Web API Terms of Use. Last updated .