Wood cutting research center. unique. cost 750 stone 50 machine parts 50 refined metals and 1250 knowledge. produces knowledge for the amount of wood cutting center workers and amount of wooden house residents also allows you to research some tree plantation, wood cutting center, and wooden house upgrades. 3 workers. build at least 10 wooden houses, 25 wood cutting centers, 15 tree plantations, and a refined metals factory to unlock this building.
alien ruins teleporter. production. cost 20 wood 10 stone 20 machine parts and 50 knowledge. teleports alien ruins to this world so you will never run out of alien ruins. 1 worker. build at least 5 exploration centers to unlock this building.
