Metallurgy technology
Zombie Digging
50 red and 10 blue tech points
Zombie Digging is a Metallurgy technology in column 8 of the tech tree. Researching it costs 50 red and 10 blue tech points. It is hidden in the tree at the start. It needs Iron Smithing first. It unlocks Clay Digger Stand, Sand Digger Stand and Porter Station.
Technology
Branch
Column
Red points
Green points
Blue points
Total points
Unlocks
Reputation
In the tree
Metallurgy tech tree
Column 8
Research cost
Red points
× 50Blue points
× 10
What it unlocks
Clay Digger Stand
Building
Sand Digger Stand
Building
Porter Station
Building
Research first
Iron Smithing
50 red tech points