Research upgradeImproved Iron Tools
+ 100% gold production (Equipment Multiplier)
Research data
- Research branch
- Gold mine
- Unlock requirement
- Gold mine level 4 · Blacksmith level 3
- Cost rank
- 18
- Wood cost
- 36,000
- Food cost
- 36,000
- Gold cost
- 18,000
- Iron cost
- 30,000
- Effect
- + 100% gold production (Equipment Multiplier)
Related game data
Research branch 1
Research cost 4
