HUB Upgrade 6

- Tier 0
- Time 0s
- Requirements HUB Upgrade 5
- Unlocks:
Space Elevator
Biomass (Wood)
Biomass (Leaves)
Biomass Burner
- +3 Inventory Slots
Cost
-
100x
Iron Rod
-
100x
Iron Plate
-
100x
Wire
-
50x
Concrete