IdleOn - The Incremental MMO / Achievements
01I Constructed!
Upgrade buildings in construction a total of 900 times.
- Unlocked by
- 2.5%
- Rarity
- Very rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
IdleOn - The Incremental MMO / Achievements
Upgrade buildings in construction a total of 900 times.
Data from Steam — Steam Web API Terms of Use. Last updated .