Population Icon This article is a stub. You can help by expanding it.
Name Picture Library Level Required Time Gold Prerequisites Rewards
Room And Pillar Mining Stone Upgrade Research Icon (Gold) 9  ?  ? Box mining Improves stone production from quarries

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.