Unlock Tier 4 Research: Cost & Unlocks | Solarpunk

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15

← Research tree

Research cost

Algae× 1

Requires

Unlock Tier 3

Unlocks

Recipes

Circuitboard
10× Algae, 5× Copper, 5× Cobalt

Leads to

Next researches

Required by

Gates

Unlock Tier 3

Same tier

Last updated: July 7, 2026