Shaping a Nation: Technology

As your empire gains more science points, they can research technology that unlock new buildings and units. As you make your way across the tech tree, you'll advance to new eras and powers.

Ancient

Tech Name	Science Cost	Leads to Tech	Unlocks
Agriculture	14	Pottery, Animal Husbandry, Archery, Mining	Farm
Pottery	25	Sailing, Calendar, Writing	Granary
Animal Husbandry	25	Trapping, The Wheel	Reveals Horses, Pasture
Archery	25	Mathematics	Archer
Mining	25	Masonry, Bronze Working	Mine, Chop Forest
Sailing	40	Optics	Work Boat, Trireme, The Great Lighthouse, Fishing Boat
Calendar	51	Theology	Stonehenge, Plantation
Writing	40	Philosophy	Library, National College, The Great Library, Open Borders
Trapping	40	Civil Service	Trading Post, Camp
The Wheel	40	Horseback Riding, Mathematics	Chariot Archer, Water Mill, Road
Masonry	40	Construction	Walls, The Pyramids, Quarry, Clear Marsh
Bronze Working	40	Iron Working	Spearman, Barracks, The Colossus, Remove Jungle

Classical

Tech Name	Science Cost	Leads to Tech	Unlocks
Optics	58	Compass	Lighthouse, Embark
Philosophy	73	Theology, Civil Service	Temple, National Epic, The Oracle, Research Agreements
Horseback Riding	73	Chivalry	Horseman, Stable, Circus
Mathematics	73	Currency, Engineering	Catapult, Courthouse, The Hanging Gardens
Construction	73	Engineering	Colosseum, The Great Wall, Bridges over Rivers
Iron Working	110	Metal Casting	Swordsman, Armory, Heroic Epic, Reveals Iron

Medieval

Tech Name	Science Cost	Leads to Tech	Unlocks
Theology	184	Education	Monastery, Garden, Angkor Wat, The Hagia Sophia
Civil Service	294	Chivalry	Pikeman, Chichen Itza, Increased Food from Farms with Fresh Water
Currency	184	Chivalry	Mint, Market, Machu, Pichu
engineering	184	Machinery, Physics	Lumber Mill, Fort
Metal Casting	184	Physics, Steel	Forge, Workshop
Compass	250	Astronomy	Harbor
Education	324	Astronomy, Acoustics, Banking	University, Oxford University, Notre Dame, The Porcelain Tower Production to Research
Chivalry	324	Banking	Knight, Castle, Himeji Castle, Defense Pact
Machinery	324	Printing Press	Crossbowman, Faster movement on Road
Physics	324	Printing Press, Gunpowder	Trebuchet
Steel	324	Gunpowder	Longswordsman

Renaissance

Tech Name	Science Cost	Leads to Tech	Unlocks
Astronomy	479	Navigation	Caravel, Observatory, Faster Embark Movement, Embarked units cross oceans.
Acoustics	479	Scientific Theory	Opera House, Sistine Chapel, The Kremlin
Banking	479	Economics	Bank, The forbidden Palace
Printing Press	479	Economics	Theatre, Taj Mahal
Gunpowder	510	Chemistry, Metallurgy	Musketman
Navigation	663	Archaeology, Scientific Theory	Frigate, Seaport
Economics	663	Military Science	Windmill, Big Ben
Chemistry	663	Military Science, Fertilizer	Cannon, Ironworks
Metallurgy	663	Rifling	Lancer
Archaeology	958	Biology	Museum, Hermitage, The Louvre
Scientific Theory	958	Biology, Steam Power	Public School, Reveals Coal
Military Science	958	Steam Power	Cavalry, Military Academy, Brandenburg Gate
Fertilizer	958	Dynamite	Food from Farms increased with no water
Rifling	1049	Dynamite	Rifleman

Industrial

Tech Name	Science Cost	Leads to Tech	Unlocks
Biology	1596	Electricity	Hospital, Reveals Oil, Build Well
Steam Power	1596	Electricity, Replaceable Parts, Railroad	Ironclad, Factory, Lumber Mill yield improved, faster embark movement
Electricity	1805	Refrigeration, Telegraph, Radio	Bank, The forbidden Palace
Replaceable Parts	1805	Flight, Combustion	Destroyer, Stock Exchange, Reveals Aluminum
Railroad	1805	Combustion	Anti-Tank Gun, Infantry, Statue of Liberty
Dynamite	1805	Combustion	Artillery
Refrigeration	2090	Plastics, Penicillin	Submarine, Offshore Platform
Telegraph	2090	Electronics	Battleship, Military Base, Cristo Redentor
Radio	2090	Mass Media, Radar	Anti-Aircraft Gun, Broadcast Tower, Eiffel Tower
Flight	2090	Radar	Carrier, Fighter
Combustion	2090	Atomic Theory, Lasers	Tank

Modern

Tech Name	Science Cost	Leads to Tech	Unlocks
Plastics	2470	Ecology	Hydro Plant, Research Lab
Penicillin	2470	Ecology	Medical Lab
Electronics	2470	Computers	Mechanized Infantry
Mass Media	2470	Computers	Stadium
Radar	2470	Rocketry, Lasers	Bomber, Paratrooper, Pentagon
Atomic Theory	2470	Nuclear Fusion	Reveals Uranium, The Manhattan Project
Ecology	2850	Globalization	Solar Plant
Computers	2850	Robotics	Nuclear Submarine, Mobile Sam
Rocketry	2850	Satellites	Helicopter, Gunship, Rocket Artillery, Apollo Program
Lasers	2850	Stealth, Advanced Ballistics	Jet Fighter, Modern Armor
Nuclear Fusion	2850	Advanced Ballistics	Atomic Bomb, Nuclear Plant
Globalization	3182	Particle Physics	United Nations, Sydney Opera House
Robotics	3182	Particle Physics	SS Booster, Missile Cruiser, Spaceship Factory
Satellites	3182	Particle Physics, Nuclear Fusion	SS Cockpit, Guided Missile
Stealth	3182	Nuclear Fusion	Stealth Bomber
Advanced Ballistics	3182	Nuclear Fusion	Nuclear Missile

Future

Tech Name	Science Cost	Leads to Tech	Unlocks
Particle Physics	3182	Nanotechnology	SS Engine
Nuclear Fusion	3420	Future Tech	SS Stasis Chamber
Nanotechnology	3135	Future Tech	Giant Death Robot
Future Tech	3800	N/A	Points