Enabled in build 0.80
+2 global resource harvesting
Research data
- Research branch
- Library
- Unlock requirement
- Library level 1
- Cost rank
- 10
- Wood cost
- 1,350
- Stone cost
- 900
- Food cost
- 1,800
- Iron cost
- 450
- Effect
- +2 global resource harvesting
+2 global resource harvesting
+2 global resource harvesting