Extractor

General Information
Extractors are the main economic buildings of SCW, they can only be placed nearby Power Rock s and only one can be built per power rock. It automatically collect power orbs spawned from by rocks.

Income Increase Upgrade
This upgrade increases the amount of power collected from power orbs, costs 5000 power, 45s build time.

Increased Defence
Slightly increases armour and adds x2 Cannon, costs 3500, 35s build time.