Research

Unlock Tier 4

Unlocks new Electrical Devices

Unlock Tier 4 is a research project in Solarpunk that costs Algae. It requires Unlock Tier 3 to be researched first. Completing it unlocks the Circuitboard recipe. It opens the path to Algae Drone, Sky Turbine, Unlock Tier 5.

Material cost

1× Algae

Unlocks recipes

Circuitboard

Prerequisite research

Unlock Tier 3

Plan the full route to this research ›

Unlocks research

Algae Drone
Sky Turbine
Unlock Tier 5
Automatic water trough & feed dispenser
Forester Bot
Recycler

Research info

Row ID: LVL_ENG_4
Type: Electronics
Unlock: Progression
Source: Verified game data