- Advanced Flight
- Alphabet
- Amphibious War
- Astronomy (requires Education)
- Atomic Theory (requires Scientific Method)
- Banking (requires Education)
- Bronze Working
- Ceremonial Burial
- Chemistry (requires Gunpowder)
- Chivalry (requires Feudalism and Monotheism)
- Code of Laws (requires Writing)
- Combustion (requires Refining and Steel)
- Communism (requires Nationalism)
- Computers
- Construction (requires Iron Working and Mathematics)
- Corporation (requires Industrialization)
- Currency (requires Mathematics)
- Democracy (requires Printing Press)
- Ecology
- Economics (requires Banking
- Education (requires Theology
- Electricity (requires Steam Power)
- Electronics (requires Atomic Theory)
- Engineering
- Espionage (requires Nationalism and Industrialization)
- Fascism (requires Civilization III: Conquests)
- Feudalism
- Fission
- Flight (requires Combustion)
- Free Artistry (requires Democracy)
- Genetics (requires Miniaturization)
- Gunpowder (requires Invention)
- Horseback Riding (requires The Wheel an Warrior Code)
- Industrialization (requires Steam Power)
- Integrated Defense (requires Superconductor, Satellites and Smart Weapons
- Invention (requires Feudalism and Engineering)
- Iron Working (requires Bronze Working)
- Laser (requires Nuclear Power and Computers)
- Literature (requires Writing)
- Magnetism (requires Physics)
- Map Making (requires Writing and Pottery)
- Masonry
- Mass Production (requires Combustion and Replaceable Parts)
- Mathematics (requires Masonry and Alphabet)
- Medicine
- Metallurgy (requires Chemistry)
- Military Tradition (requires Metallurgy)
- Miniaturization (requires Computers)
- Monarchy (requires Warrior Code and Ceremonial Burial)
- Monotheism
- Motorized Transportation (requires Mass Production and Electronics)
- Music Theory (requires Education)
- Mysticism (requires Ceremonial Burial)
- Nationalism
- Navigation (requires Astronomy)
- Nuclear Power (requires Fission)
- Philosophy (requires Writing)
- Physics (requires Chemistry and Astronomy)
- Polytheism (requires Mysticism)
- Pottery
- Printing Press (requires Theology)
- Radio (requires Electronics)
- Recycling (requires Ecology)
- Refining (requires The Corporation)
- Replaceable Parts (requires Electricity)
- Republic (requires Philosophy and Code of Laws)
- Robotics (requires The Laser and Genetics)
- Rocketry
- Sanitation (requires Medicine)
- Satellites (requires Recycling)
- Scientific Method (requires Electricity and Medicine)
- Smart Weapons (requires Satellites and The Laser)
- Space Flight (requires Rocketry)
- Steam Power
- Stealth (requires Synthetic Fibers)
- Steel (requires The Corporation)
- Superconductor (requires Recycling and Fission)
- Synthetic Fibers (requires Ecology)
- Theology (requires Monotheism
- Theory of Gravity (requires Physics)
- Warrior Code
- Wheel
- Writing (requires Alphabet)
| Civilization III [edit] | |
|---|---|
| Play the World • Conquests | |
| Lists | |
| Concepts | |
| Miscellaneous | |