Glass

In the tree

Metallurgy tech tree

Column 3

• Metallurgy tech tree Column 3

Research cost

Red points

30

Green points

10

What it unlocks

Glass

Furnace I

• Glass Furnace I

Research first

Bronze Melting

10 red tech points

• Bronze Melting 10 red tech points

Leads to

Glass Blowing

45 red and 10 green tech points

• Glass Blowing 45 red and 10 green tech points

Glass

• All technologies

In the tree

• Metallurgy tech tree Column 3

What it unlocks

• Glass Furnace I

Research first

• Bronze Melting 10 red tech points

Leads to

• Glass Blowing 45 red and 10 green tech points