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Civilization includes 71 advances, from which at least Irrigation, Mining, and Roads (these with no requirements and no successors) are gained automaticly at the start of a game.

CivTreeLongLRENG

complete TechTree for Civ 1 (click to enlarge)

To figure the way towards a specific advance, or unit, or building, or the ending of such (smth. becomes obsolete), all columns are sortable and the links in the Requirement- and the Leads to-columns are leading to the matching entry in the column Advance of this table, while the links there and in the Allows- and Ends-columns are leading to the respective Wiki-pages.

All requirements are sorted, so each required advance fits completely either into column Req. 1 or Req. 2. Only Currency, Invention, and Medicine are appearing in both columns, so it's a little more effort, to find all matching entries for these three by sorting both columns.

Since there are sometimes more than one item per row, at the bottom of this page are two alphabetical sorted jumplists for each listed item in the Allows- and Ends-columns, where the links lead into the respective row of this table.

Advance Lvl Req. 1 Req. 2 Leads to Allows Ends
Advanced Flight
Advanced Flight (Civ1)
13 Flight Electricity Rocketry Bomber
Carrier
Alphabet
Alphabet (Civ1)
1 Code of Laws
Map Making
Mathematics
Writing
Astronomy
Astronomy (Civ1)
3 Mysticism Mathematics Navigation
Theory of Gravity
Copernicus' Observatory
Atomic Theory
Atomic Theory (Civ1)
7 Theory of Gravity Physics Nuclear Fission
Automobile
Automobile (Civ1)
12 Combustion Steel Mass Production Armor Copernicus' Observatory
Knight
Banking
Banking (Civ1)
5 Republic Trade Industri-alization
Corporation
Bank
Bridge Building
Bridge Building (Civ1)
4 Iron Working Construction Railroad Road on river squares
Bronze Working
Bronze Working (Civ1)
1 Currency
Iron Working
Phalanx
Colossus
Ceremonial Burial
Ceremonial Burial (Civ1)
1 Monarchy
Mysticism
Temple
Chemistry
Chemistry (Civ1)
6 Medicine University Refining
Explosives
Chivalry
Chivalry (Civ1)
5 Horseback Riding Feudalism Knight Chariot
Code of Laws
Code of Laws (Civ1)
2 Alphabet Monarchy
Trade
Literacy
Republic
Courthouse
Combustion
Combustion (Civ1)
11 Refining Explosives Flight
Automobile
Cruiser Ironclad
Barracks
Communism
Communism (Civ1)
9 Philosophy Industri-alization Labor Union United Nations Pyramids
Michelangelo's Chapel
Computers
Computers (Civ1)
10 Electronics Mathematics Space Flight
Robotics
SETI Program
Conscription
Conscription (Civ1)
8 Republic Explosives Riflemen Legion
Musketeer
Construction
Construction (Civ1)
3 Currency Masonry Engineering
Bridge Building
Fortress
Aqueduct
Colosseum
Corporation
Corporation (Civ1)
9 Banking Industri-alization Mass Production
Genetic Engineering
Refining
Currency
Currency (Civ1)
2 Bronze Working Trade
Construction
Marketplace
Democracy
Democracy (technology) (Civ1)
5 Philosophy Literacy Recycling
Electricity
Electricity (Civ1)
8 Metallurgy Magnetism Electronics
Advanced Flight
Colossus
Electronics
Electronics (Civ1)
9 Engineering Electricity Computers
Rocketry
Nuclear Power
Hoover Dam
Hydro Plant
Shakespeare's Theatre
Engineering
Engineering (Civ1)
4 Wheel Construction Electronics
Invention
Explosives
Explosives (Civ1)
7 Gunpowder Chemistry Combustion
Conscription
Feudalism
Feudalism (Civ1)
4 Monarchy Masonry Chivalry
Flight
Flight (Civ1)
12 Combustion Physics Advanced Flight Fighter
Fusion Power
Fusion Power (Civ1)
18 Nuclear Power Super-conductor Future Tech
Future Tech 19 Fusion Power More
Future Tech
Genetic Engineering
Genetic Engineering (Civ1)
10 Corporation Medicine Cure for Cancer
Gunpowder
Gunpowder (Civ1)
6 Iron Working Invention Metallurgy
Explosives
Musketeers Barracks
Militia
Phalanx
Great Wall
Horseback Riding
Horseback Riding (Civ1)
1 Chivalry Cavalry
Industri-alization
Industrialization (Civ1)
8 Banking Railroad Steel
Corporation
Communism
Women's Suffrage
Transport
Factory
Frigate
Invention
Invention (Civ1)
5 Engineering Literacy Steam Engine
Gunpowder
Hanging Gardens
Iron Working
Iron Working (Civ1)
2 Bronze Working Bridge Building
Gunpowder
Legion
Irrigation 0 Irrigation of land squares, except Arctic, Mountains, and Tundra
Labor Union
Labor Union (Civ1)
14 Mass Production Communism Mech. Inf.
Literacy
Literacy (Civ1)
3 Code of Laws Writing Democracy
Invention
Philosophy
Republic
Great Library
Magnetism
Magnetism (Civ1)
6 Navigation Physics Electricity Frigate Sail
Lighthouse
Map Making
Map Making (Civ1)
2 Alphabet Navigation Trireme
Lighthouse
Masonry
Masonry (Civ1)
1 Mathematics
Feudalism
Construction
Great Wall
Pyramids
Palace
City Walls
Mass Production
Mass Production (Civ1)
13 Corporation Automobile Nuclear Fission
Super-conductor
Recycling
Labor Union
Submarine
Mass Transit
Mathematics
Mathematics (Civ1)
2 Alphabet Masonry Astronomy
Physics
University
Computers
Catapult
Medicine
Medicine (Civ1)
5 Philosophy Trade Chemistry
Genetic Engineering
Shakespeare's Theatre
Metallurgy
Metallurgy (Civ1)
7 Gunpowder University Steel
Electricity
Cannon
Mining 0 Mines on Desert, Hill, and Mountain squares
Monarchy
Monarchy (Civ1)
3 Code of Laws Ceremonial Burial Feudalism
Mysticism
Mysticism (Civ1)
2 Ceremonial Burial Astronomy
Philosophy
Oracle
4 Astronomy Map Making Physics
Magnetism
Magellan's Expedition
Sail
Trireme
Nuclear Fission
Nuclear Fission (Civ1)
14 Mass Production Atomic Theory Nuclear Power Manhattan Project Isaac Newton's College
Nuclear Power
Nuclear Power (Civ1)
15 Electronics Nuclear Fission Fusion Power Nuclear Plant
Philosophy
Philosophy (Civ1)
4 Mysticism Literacy Medicine
Democracy
University
Religion
Communism
Physics
Physics (Civ1)
5 Navigation Mathematics Atomic Theory
Magnetism
Steam Engine
Flight
Plastics
Plastics (Civ1)
16 Refining Space Flight Super-conductor
Robotics
SS Component
Pottery
Pottery (Civ1)
1 Granary
Hanging Gardens
Railroad
RailRoad (Civ1)
7 Bridge Building Steam Engine Industri-alization Darwin's Voyage
Railroad on Road squares
Recycling
Recycling (Civ1)
14 Mass Production Democracy Recycling Center
Refining
Refining (Civ1)
10 Corporation Chemistry Combustion
Plastics
Power Plant
Religion
Religion (Civ1)
5 Philosophy Writing Cathedral
J.S. Bach's Cathedral
Michelangelo's Chapel
Oracle
Republic
Republic (Civ1)
4 Code of Laws Literacy Banking
Conscription
Roads 0 Road on land squares (over Rivers with Bridge Building)
Robotics
Robotics (Civ1)
17 Computers Plastics Artillery
Mfg. Plant
SS Module
Cannon
Rocketry
Rocketry (Civ1)
14 Electronics Advanced Flight Space Flight Nuclear unit (with Manhattan Project)
Space Flight
Space Flight (Civ1)
15 Computers Rocketry Plastics Apollo Program
SS Structural
Steam Engine
Steam Engine (Civ1)
6 Invention Physics Railroad Ironclad
Steel
Steel (Civ1)
9 Metallurgy Industri-alization Automobile Battleship
Super-conductor
Superconductor (Civ1)
17 Mass Production Plastics Fusion Power SDI Defense
Theory of Gravity
Theory of Gravity (Civ1)
6 Astronomy University Atomic Theory Isaac Newton's College
Trade
Trade (Civ1)
3 Code of Laws Currency Medicine
Banking
Caravan
University
University (advance) (Civ1)
5 Philosophy Mathematics Chemistry
Metallurgy
Theory of Gravity
University Great Library
Wheel
Wheel (Civ1)
1 Engineering Chariot
Writing
Writing (Civ1)
2 Alphabet Religion
Literacy
Library
Diplomat
0 Settlers
0 Militia
0 Barracks


Allows

Apollo Program   Aqueduct   Armor   Artillery   Bank   Barracks   Battleship   Bomber   Cannon   Caravan   Carrier   Catapult   Cathedral   Cavalry   Chariot   City Walls   Colossus   Colosseum   Copernicus' Observatory   Courthouse   Cruiser   Cure for Cancer   Darwin's Voyage   Diplomat   Factory   Fighter   Fortress   Frigate   Granary   Great Library   Great Wall   Hanging Gardens   Hoover Dam   Hydro Plant   Ironclad   Irrigation   Isaac Newton's College   J.S. Bach's Cathedral   Knight   Legion   Library   Lighthouse   Magellan's Expedition   Manhattan Project   Marketplace   Mass Transit   Mech. Inf.   Mfg. Plant   Michelangelo's Chapel   Militia   Mines   Musketeers   Nuclear unit   Oracle   Palace   Phalanx   Power Plant   Pyramids   Railroad on Road squares   Recycling Center   Riflemen   Road on land squares   Road on river squares   Sail   SDI Defense   SETI Program   Settlers   Shakespeare's Theatre   SS Component   SS Module   SS Structural   Submarine   Temple   Transport   Trireme   United Nations   University   Women's Suffrage


Ends

Barracks I   Barracks II   Cannon   Chariot   Colossus   Copernicus' Observatory   Frigate   Great Library   Great Wall   Hanging Gardens   Ironclad   Isaac Newton's College   Knight   Legion   Lighthouse   Michelangelo's Chapel   Militia   Musketeers   Oracle   Phalanx   Pyramids   Sail   Shakespeare's Theatre   Trireme


Sid Meier's Civilization [edit]

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