An image of the full technology tree can be viewed here.
| Image | Technology | Beaker  Cost |
Makes Available | Era | Prerequisites | Leads To |
|---|---|---|---|---|---|---|
 |
Agriculture | 20 | Farm Improvements | Ancient | Pottery, Animal Husbandry, Archery, Mining | |
 |
Pottery | 35 | Granary | Ancient | Agriculture | Sailing, Calendar, Writing |
 |
Animal Husbandry | 35 | Reveals Horses, Pasture Improvements | Ancient | Agriculture | Trapping, The Wheel |
 |
Archery | 35 | Archer, Temple of Artemis | Ancient | Agriculture | Mathematics |
 |
Mining | 35 | Mine Improvements, Forest Chopping | Ancient | Agriculture | Masonry, Bronze Working |
 |
Sailing | 55 | Work Boat, Trireme, The Great Lighthouse, Fishing Boat Improvements | Ancient | Pottery | Optics |
 |
Calendar | 70 | Stonehenge, Stone Works, Plantation Improvements | Ancient | Pottery | Theology |
 |
Writing | 55 | Library, The Great Library, Open Border Agreements | Ancient | Pottery | Philosophy |
 |
Trapping | 55 | Circus, Trading Post Improvements, Camp Improvements | Ancient | Animal Husbandry | Civil Service |
 |
The Wheel | 55 | Chariot Archer, Water Mill, Road Improvements | Ancient | Animal Husbandry | Horseback Riding, Mathematics |
 |
Masonry | 55 | Walls, The Pyramids, Mausoleum of Halicarnassus, Quarry Improvements, Removing Marshes | Ancient | Mining | Construction |
 |
Bronze Working | 55 | Spearman, Barracks, The Colossus, Statue of Zeus, Chopping Jungles | Ancient | Mining | Iron Working |
 |
Optics | 85 | Lighthouse, Unit Embarkation | Classical | Sailing | Compass |
 |
Philosophy | 105 | Temple, National College, National Epic, The Oracle, Research Agreements | Classical | Writing | Theology, Civil Service |
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Horseback Riding | 105 | Horseman, Stable | Classical | The Wheel | Chivalry |
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Mathematics | 105 | Catapult, Courthouse, The Hanging Gardens | Classical | The Wheel, Archery | Currency, Engineering |
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Construction | 105 | Colosseum, Circus Maximus, The Great Wall, Lumber Mill Improvements, | Classical | Masonry | Engineering |
 |
Iron Working | 160 | Swordsman, Heroic Epic, Reveals Iron | Classical | Bronze Working | Metal Casting |
 |
Theology | 275 | Monastery, Garden, Angkor Wat, The Hagia Sophia | Medieval | Calendar, Philosophy | Education |
 |
Civil Service | 440 | Pikeman, Chichen Itza, +1  from Fresh Water Farms |
Medieval | Philosophy, Trapping | Education, Chivalry |
 |
Currency | 275 | Mint, Market, National Treasury, Machu Picchu, Wealth Conversion | Medieval | Mathematics | Chivalry |
 |
Engineering | 275 | Aqueduct, Fort Improvements, Bridges over Water | Medieval | Mathematics, Construction | Machinery, Physics |
 |
Metal Casting | 275 | Forge, Workshop | Medieval | Iron Working | Physics, Steel |
 |
Compass | 375 | Harbor, +1  from Fishing Boats |
Medieval | Optics | Astronomy |
 |
Education | 485 | University, Oxford University, Notre Dame, The Porcelain Tower, Research Conversion | Medieval | Theology, Civil Service | Astronomy, Acoustics, Banking |
 |
Chivalry | 485 | Knight, Castle, Himeji Castle, Defensive Pact Agreements | Medieval | Civil Service, Horseback Riding, Currency | Acoustics, Banking |
 |
Machinery | 485 | Crossbowman, Armory, Ironworks, Faster Road Movement | Medieval | Engineering | Printing Press |
 |
Physics | 485 | Trebuchet | Medieval | Engineering, Metal Casting | Printing Press, Gunpowder |
 |
Steel | 485 | Longswordsman | Medieval | Metal Casting | Gunpowder |
 |
Astronomy | 780 | Caravel, Observatory, +1  for Embarked Units, Embarked Units may Enter Ocean |
Renaissance | Compass, Education | Navigation |
 |
Acoustics | 780 | Opera House, Hermitage, Sistine Chapel, The Kremlin | Renaissance | Education, Chivalry | Scientific Theory |
 |
Banking | 780 | Bank, The Forbidden Palace | Renaissance | Education, Chivalry | Economics |
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Printing Press | 780 | Theatre, Taj Mahal | Renaissance | Machinery, Physics | Economics |
 |
Gunpowder | 840 | Musketman | Renaissance | Physics, Steel | Chemistry, Metallurgy |
 |
Navigation | 1080 | Frigate, Seaport | Renaissance | Astronomy | Archaeology, Scientific Theory |
 |
Economics | 1080 | Windmill, Big Ben, +1 from Trading Posts, Camps and Customs Houses |
Renaissance | Banking, Printing Press | Scientific Theory, Military Science |
 |
Chemistry | 1080 | Cannon, +1  from Mines, Quarries and Manufactories |
Renaissance | Gunpowder | Military Science, Fertilizer |
 |
Metallurgy | 1080 | Lancer | Renaissance | Gunpowder | Rifling |
 |
Archaeology | 1560 | Museum, The Louvre | Renaissance | Navigation | Biology |
 |
Scientific Theory | 1560 | Public School, Reveals Coal, +1 from Lumber Mills, +2 from Academies |
Renaissance | Economics, Navigation, Acoustics | Biology, Steam Power |
 |
Military Science | 1560 | Cavalry, Military Academy, Brandenburg Gate | Renaissance | Economics, Chemistry | Steam Power, Dynamite |
 |
Fertilizer | 1560 | +1 from Farms with no Fresh Water, Plantations and Pastures |
Renaissance | Chemistry | Dynamite |
 |
Rifling | 1710 | Rifleman, Arsenal | Renaissance | Metallurgy | Dynamite |
 |
Biology | 2350 | Hospital, Reveals Oil, Oil Well Improvements | Industrial | Archaeology, Scientific Theory | Electricity |
 |
Steam Power | 2350 | Ironclad, Factory, +1 for Embarked Units |
Industrial | Scientific Theory, Military Science | Electricity, Replaceable Parts, Railroad |
 |
Dynamite | 2660 | Artillery | Industrial | Fertilizer, Military Science, Rifling | Combustion |
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Electricity | 2660 | Stock Exchange, Reveals Aluminum | Industrial | Biology, Steam Power | Refrigeration, Telegraph, Radio |
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Replaceable Parts | 2660 | Anti-Tank Gun, Infantry, Statue of Liberty | Industrial | Steam Power | Flight, Combustion |
 |
Railroad | 2660 | Railroad Improvements | Industrial | Steam Power | Combustion |
 |
Refrigeration | 3100 | Submarine, Off-Shore Platform Construction | Industrial | Electricity | Plastics, Penicillin |
 |
Telegraph | 3100 | Battleship, Military Base, Cristo Redentor | Industrial | Electricity | Electronics |
 |
Radio | 3100 | Anti-Aircraft Gun, Broadcast Tower, Eiffel Tower | Industrial | Electricity | Mass Media, Radar |
 |
Flight | 3100 | Carrier, Fighter | Industrial | Replaceable Parts | Radar |
 |
Combustion | 3100 | Destroyer, Tank | Industrial | Replaceable Parts, Railroad, Dynamite | Atomic Theory, Lasers |
 |
Plastics | 4700 | Hydro Plant, Research Lab | Modern | Refrigeration | Ecology |
 |
Penicillin | 4700 | Medical Lab | Modern | Refrigeration | Ecology |
 |
Electronics | 4700 | Mechanized Infantry | Modern | Telegraph | Computers |
 |
Mass Media | 4700 | Stadium, Sydney Opera House | Modern | Radio | Computers |
 |
Radar | 4700 | Bomber, Paratrooper, Pentagon | Modern | Radio, Flight | Rocketry, Lasers |
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Atomic Theory | 4700 | Reveals Uranium, Manhattan Project | Modern | Combustion | Nuclear Fission |
 |
Ecology | 5400 | Solar Plant | Modern | Plastics, Penicillin | Globalization |
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Computers | 5400 | Nuclear Submarine, Mobile SAM | Modern | Electronics, Mass Media | Robotics |
 |
Rocketry | 5400 | Helicopter Gunship, Rocket Artillery, Apollo Program | Modern | Radar | Satellites |
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Lasers | 5400 | Jet Fighter, Modern Armor | Modern | Radar, Combustion | Stealth, Advanced Ballistics |
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Nuclear Fission | 5400 | Atomic Bomb, Nuclear Plant | Modern | Atomic Theory | Advanced Ballistics |
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Globalization | 6000 | United Nations | Modern | Ecology | Particle Physics |
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Robotics | 6000 | SS Booster, Missile Cruiser, Spaceship Factory | Modern | Computers | Particle Physics |
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Satellites | 6000 | SS Cockpit, Guided Missile, Reveals the Map | Modern | Rocketry | Particle Physics, Nuclear Fusion |
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Stealth | 6000 | Stealth Bomber | Modern | Lasers | Nuclear Fusion |
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Advanced Ballistics | 6000 | Nuclear Missile | Modern | Lasers, Nuclear Fission | Nuclear Fusion |
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Particle Physics | 6000 | SS Engine | Future | Globalization, Robotics, Satellites | Nanotechnology |
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Nuclear Fusion | 6500 | Giant Death Robot | Future | Satellites, Stealth, Advanced Ballistics | Future Tech |
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Nanotechnology | 6000 | SS Stasis Chamber | Future | Particle Physics | Future Tech |
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Future Tech | 7000 | Future | Nanotechnology, Nuclear Fusion |