Civil Service is an Architecture upgrade that increases the amount of basic resources earned from clicking.

In addition, this upgrade opens up the ability to research Feudalism, Guilds, Serfs, and Nationalism.

Initial SkinningHarvestingProspectingMasonry
Masonry DomesticationPloughsharesIrrigation  –  ConstructionGranariesBasic WeaponryBasic Shields  –  Horseback RidingThe Wheel  –  Writing
Construction ButcheringGardeningExtraction  –  Architecture  –  TenementsPalisade
Architecture FlensingMacerating  –  Crop RotationSelective BreedingFertilisers  –  Slums  –  Civil Service  –  Start Building Wonder
Writing AdministrationCode of LawsMathematicsAesthetics
Civil Service FeudalismGuildsSerfsNationalism
Trade TradeCurrencyCommerce