Civilization101Blueprint

Dependency graph

140 steps and 426 hard dependencies, plus 8 dashed links that only make a step cheaper. Click any node, or Tab to it and press Enter, to trace everything it needs and everything it unlocks; do it again to open the step. Drag to pan, scroll to zoom, Escape to clear.

Nothing selected
Find and hold water Make water safe Fire, and keeping it Shelter and body heat Separate waste from w… Lay out the camp A cutting edge Cordage Forage, trap, fish Containers Wound care and first … Secure seed and breed… Decide how you decide Start the record Read the year Open ground and hold … Plant staples Preserve the harvest Prevent deficiency di… Teeth: prevent decay,… Livestock Permanent shelter Choose the ground Plan the house: sun, … Pottery and the first… Fibre, thread and clo… Tanning and leather Soap Childbirth and infant… Woodworking and the f… Boats and safe water … The debt record Boundary and tenure The first public good Keep watch and defend… Charcoal Smelting: first metal Blacksmithing Lime Brick and tile Masonry house and chi… Barn and byre Salt Writing and the durab… Teach the next genera… Wheel, cart and road Plank boats, oars and… Kites: lifting a line… Irrigation and water … Fish ponds: build, fe… Fermentation and dist… Plant medicine and th… Arithmetic for everyo… Published rule and th… Standard weight Count before you admi… Plot, street and block Water power Wind power Canals and locks Seagoing sailing ships Balloons Machine tools and pre… Steel and heat treatm… Cement and concrete Glass Cold frames, hotbeds … The four-course rotat… Framed and glazed bui… Acids Alkalis Batteries: from the v… Paper Printing Germ theory and antis… Make chlorine disinfe… Instruments and measu… One metre, one kilogr… Controlled comparison… Double entry and the … Fungible token and th… The enforceable promi… The health authority Fire separation and t… Coal and coke Blast furnace and che… The steam engine The factory and inter… Rail and bulk transpo… Steam, iron hulls and… Gliders and the contr… City water and sewera… Refrigeration and the… Telegraph Anaesthesia and real … Priority by publicati… Knowledge held by an … The laboratory as an … Credit, interest and … Pooled capital and li… The register: land, b… Standing departments … Zoning: separation di… Iron-framed and multi… The generator Electrochemistry and … Petroleum and refining Internal combustion a… The powered aeroplane Submarines and submer… Synthetic nitrogen Antibiotics and vacci… Radio Polymers The modern greenhouse… Soilless growing: hyd… Steel frame and reinf… Constraint on the rul… Citizen services and … Reserves and the pric… Knowing whether a res… The press, and who ge… Drip and sprinkler ir… Plan the city before … Electronics: amplific… Semiconductors Computing Networks Jets, helicopters and… Audit, statistics and… High-yield varieties,… Energy without the ca… Modern ships and smal… Modern aviation and d… Biology as engineering Institutions that out… Decide what not to re… Vertical farms and co… Sustainable intensifi… The compact, connecte… Triage Foothold Forge Mill Engine Current Logic Frontier
Achieved
Ready to attempt
Blocked
Cheaper with, not blocked by

Nodes are coloured by tier. A ring means you have marked it achieved; a filled dot means every prerequisite is met and you can start it now. A dashed line is an economic link, not a physical one — the step works without it.