Prospecting is an initial upgrade which allows miners to produce/obtain ores, a basic resource. To unlock it, 10 ore is needed, which can be obtained by clicking the 'Mine Stone' button. Once unlocked, the upgrade takes place automatically.
Upgrades | |
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Initial | Skinning • Harvesting • Prospecting • Masonry |
Masonry | Domestication • Ploughshares • Irrigation – Construction • Granaries • Basic Weaponry • Basic Shields – Horseback Riding • The Wheel – Writing |
Construction | Butchering • Gardening • Extraction – Architecture – Tenements • Palisade |
Architecture | Flensing • Macerating – Crop Rotation • Selective Breeding • Fertilisers – Slums – Civil Service – Start Building Wonder |
Writing | Administration • Code of Laws • Mathematics • Aesthetics |
Civil Service | Feudalism • Guilds • Serfs • Nationalism |
Trade | Trade • Currency • Commerce |