Drill Heads

Branch: Mining · Levels: up to level 10 · Lab: from level 1

Effect

Each level raises the output of all pig iron mines by 1%, on every production line.

Requirements

• research lab level 1

Cost and duration

Level 1 costs 1,500,000 $ and 600 metal and takes 3 days. Every further level costs more and takes longer. The lab shows you the price of the next level.

Leads to

• Cobalt Ore Line
• Kryptonite Drilling

Back to the research network.