Factories in Claiming Cosmos lay railroads to cities and harbors. Trains, gold, and how they share cost with harbors.
When fleets stay long enough, they stop pretending they are only sailors. Factories are the clank behind the flag — rails, bars, and a wheel in the river.
Auto-builds railroads to nearby Cities, Harbors, and other Factories (and can link allies). Trains pay gold per visit, more for neighbors' buildings. Ships can damage them. Cost shares scaling with Harbors.
Back to the building list or pick a map like Sol System and play Claiming Cosmos in the browser.