Science fiction/Upgrade/Cannon


Building is enhanced by a cannon

Bullet

Upgrade
Producable in: Base, Mine, Barracks, Academy, Lab, Factory, Battery, Bunker, Biosphere, Institute, Gene-laboratory, Large mine, Refinery, Planet transformer, Para-laboratory, Research center, Clone-factory, Gym, Extractor, Refinery, Space port, Dock
Costs: 200 Vulcano gold, 200 Crystal ore
Duration: 5 turns
Stage of development: Specialism and tactics

Elements of the universe: Earth
Countries of the earth: Great Britain


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