A city that lives on deep mushrooms: how much land, in which climates

A fantasy staple: deep mushrooms grow only under the ground, on about a tenth of the cavern floor. A town of 10,000 living on them needs 1,900 km² of caverns, 1 day of carrying.

A city under the mountain: how many caverns to feed it

Other staples

Wheat, Rye and maslin, Barley and dredge, Oats, Pulses, Rice, Millet, Yams and other tubers, Maize, Potatoes, Cassava, Sorghum

Orders of magnitude for play: sourced figures and Hearth estimates together. Every source, and every figure still waiting for one, is listed in the builder under Sources.

Open the city builder — MGS Toolbox