Technology tree

77 technologies · 62 Eurekas

Every technology grouped by era, with its Eureka condition written in our own words from the game data. Tick the boosts you have secured — the checklist is saved in your browser only.

0/62 boosts secured

Ancient Era

Animal Husbandry
25
Eureka: No boost — research it the long way.
Unlocks:CampPasture
Mining
25
Eureka: No boost — research it the long way.
Unlocks:MineQuarry
Pottery
25
Eureka: No boost — research it the long way.
Unlocks:GranaryGreat Bath
Archery
50Requires: Animal Husbandry
Eureka: Destroy an enemy unit with a Slinger.
Unlocks:ArcherTemple of Artemis
Astrology
50
Eureka: Discover a natural wonder.
Unlocks:ShrineHoly Site Stonehenge
Irrigation
50Requires: Pottery
Eureka: Own 1 Farm.
Unlocks:PlantationHanging Gardens
Sailing
50
Eureka: Found a city on the coast.
Unlocks:Fishing BoatsGalley
Writing
50Requires: Pottery
Eureka: Meet another civilization.
Unlocks:LibraryCampus Etemenanki
Bronze Working
80Requires: Mining
Eureka: Kill 3 barbarian units.
Unlocks:BarracksEncampmentSpearman
Masonry
80Requires: Mining
Eureka: Own 1 Quarry.
Unlocks:Ancient WallsBattering RamPyramids
Wheel
80Requires: Mining
Eureka: Own 1 Mine.
Unlocks:Water MillHeavy Chariot

Classical Era

Celestial Navigation
120Requires: Astrology · Sailing
Eureka: Own 2 Fishing Boatses.
Unlocks:LighthouseHarbor Great Lighthouse
Currency
120Requires: Writing
Eureka: Run 1 trade routes at the same time.
Unlocks:MarketCommercial Hub
Horseback Riding
120Requires: Archery
Eureka: Own 1 Pasture.
Unlocks:StableHorseman
Iron Working
120Requires: Bronze Working
Eureka: Build a Mine on a Iron resource.
Unlocks:SwordsmanJebel Barkal
Construction
200Requires: Horseback Riding · Masonry
Eureka: Build a Water Mill.
Unlocks:Lumber MillTerracotta Army
Engineering
200Requires: Wheel
Eureka: Build a Ancient Walls.
Unlocks:AqueductCatapultMachu Picchu
Mathematics
200Requires: Currency
Eureka: Own 3 different specialty districts.
Unlocks:ConsulateDiplomatic Quarter Petra
Shipbuilding
200Requires: Sailing
Eureka: Own 2 Galleys.
Unlocks:QuadriremeColossus

Medieval Era

Apprenticeship
300Requires: Currency · Horseback Riding
Eureka: Own 3 Mines.
Unlocks:WorkshopIndustrial ZoneMan-At-Arms
Buttress
300Requires: Mathematics · Shipbuilding
Eureka: Own a wonder from the Classical Era or later.
Unlocks:Dam Hagia Sophia
Machinery
300Requires: Engineering · Iron Working
Eureka: Own 3 Archers.
Unlocks:CrossbowmanSiege TowerSkirmisherKilwa Kisiwani
Military Tactics
300Requires: Mathematics
Eureka: Destroy an enemy unit with a Spearman.
Unlocks:PikemanHuey Teocalli
Castles
390Requires: Construction
Eureka: Adopt a tier 2 government.
Unlocks:Medieval WallsCourserAlhambra
Education
390Requires: Apprenticeship · Mathematics
Eureka: Train or buy a Great Scientist.
Unlocks:UniversityUniversity of Sankore
Military Engineering
390Requires: Construction
Eureka: Own 1 Aqueduct district.
Unlocks:ArmoryMilitary EngineerTrebuchet
Stirrups
390Requires: Apprenticeship · Horseback Riding
Eureka: Unlock the Feudalism civic.
Unlocks:Knight

Renaissance Era

Banking
600Requires: Education · Stirrups
Eureka: Unlock the Guilds civic.
Unlocks:BankGreat Zimbabwe
Cartography
600Requires: Buttress
Eureka: Own 2 Harbor districts.
Unlocks:CaravelCasa de Contratación
Gunpowder
600Requires: Apprenticeship · Military Engineering · Stirrups
Eureka: Build a Armory.
Unlocks:Musketman
Mass Production
600Requires: Buttress · Education · Military Tactics
Eureka: Own 1 Lumber Mill.
Unlocks:ShipyardVenetian Arsenal
Printing
600Requires: Machinery
Eureka: Own 2 Universities.
Unlocks:Forbidden City
Astronomy
730Requires: Education
Eureka: Have a University next to a mountain.
Unlocks:Potala Palace
Metal Casting
730Requires: Gunpowder
Eureka: Own 2 Crossbowmans.
Unlocks:BombardPike and Shot
Siege Tactics
730Requires: Castles
Eureka: Own 2 Trebuchets.
Unlocks:Renaissance WallsFort
Square Rigging
730Requires: Cartography
Eureka: Destroy an enemy unit with a Musketman.
Unlocks:Frigate

Industrial Era

Ballistics
930Requires: Metal Casting
Eureka: Own 2 Forts.
Unlocks:CuirassierField Cannon
Industrialization
930Requires: Mass Production · Square Rigging
Eureka: Own 2 Workshops.
Unlocks:Coal Power PlantFactoryRuhr Valley
Military Science
930Requires: Printing · Siege Tactics
Eureka: Destroy an enemy unit with a Knight.
Unlocks:Military AcademyCavalryLine Infantry
Scientific Theory
930Requires: Astronomy · Banking
Eureka: Unlock the The Enlightenment civic.
Unlocks:Oxford University
Economics
1070Requires: Metal Casting · Scientific Theory
Eureka: Own 2 Banks.
Unlocks:Stock ExchangeBig Ben
Rifling
1070Requires: Ballistics · Military Science
Eureka: Build a Mine on a Niter resource.
Unlocks:Ranger
Sanitation
1070Requires: Scientific Theory
Eureka: Own 2 Neighborhood districts.
Unlocks:SewerMedicOrszágház
Steam Power
1070Requires: Industrialization
Eureka: Own 2 Shipyards.
Unlocks:CanalIroncladPanama Canal

Modern Era

Flight
1250Requires: Industrialization · Scientific Theory
Eureka: Own a wonder from the Industrial Era or later.
Unlocks:HangarAerodromeAirstripBiplaneObservation Balloon
Refining
1250Requires: Rifling
Eureka: Own 1 Coal Power Plant.
Unlocks:Oil WellBattleship
Replaceable Parts
1250Requires: Economics
Eureka: Own 3 Line Infantries.
Unlocks:Food MarketInfantry
Steel
1250Requires: Rifling
Eureka: Own a Ironclad and a Mine on Coal.
Unlocks:ArtilleryEiffel Tower
Chemistry
1370Requires: Replaceable Parts · Sanitation
Eureka: Reach alliance level 2.
Unlocks:Research LabMountain TunnelAT Crew
Combustion
1370Requires: Refining · Steel
Eureka: Extract an artifact.
Unlocks:Supply ConvoyTankGolden Gate Bridge
Electricity
1370Requires: Steam Power
Eureka: Own 2 Privateers.
Unlocks:Oil Power PlantHydroelectric DamSeaportSubmarine
Radio
1370Requires: Flight · Steam Power
Eureka: Create a national park.
Unlocks:Broadcast CenterSeaside Resort

Atomic Era

Advanced Ballistics
1480Requires: Replaceable Parts · Steel
Eureka: Own 1 Oil Power Plant.
Unlocks:Anti-Air GunMachine Gun
Advanced Flight
1480Requires: Radio
Eureka: Own 2 Biplanes.
Unlocks:AirportBomberFighter
Combined Arms
1480Requires: Combustion · Steel
Eureka: Own 3 armies.
Unlocks:Aircraft CarrierDestroyer
Plastics
1480Requires: Combustion
Eureka: Build a Oil Well on a Oil resource.
Unlocks:Offshore Oil RigSpec Ops
Rocketry
1480Requires: Chemistry · Radio
Eureka: No boost — research it the long way.
Unlocks:SpaceportMissile Silo
Computers
1660Requires: Electricity · Radio
Eureka: Adopt a tier 3 government.
Unlocks:Flood BarrierDrone
Nuclear Fission
1660Requires: Advanced Ballistics · Combined Arms
Eureka: No boost — research it the long way.
Unlocks:Power Plant
Synthetic Materials
1660Requires: Plastics
Eureka: Own 2 Aerodrome districts.
Unlocks:Geothermal PlantHelicopterBiosphère

Information Era

Composites
1850Requires: Synthetic Materials
Eureka: Own 3 Tanks.
Unlocks:Wind FarmModern ArmorModern AT
Guidance Systems
1850Requires: Advanced Ballistics · Rocketry
Eureka: Destroy an enemy Fighter.
Unlocks:Mobile SAMRocket Artillery
Lasers
1850Requires: Nuclear Fission
Eureka: Own 2 Drones.
Unlocks:Jet FighterMissile Cruiser
Satellites
1850Requires: Advanced Flight · Rocketry
Eureka: Own 2 Broadcast Centers.
Unlocks:Solar FarmMechanized Infantry
Stealth Technology
1850Requires: Synthetic Materials
Eureka: No boost — research it the long way.
Unlocks:Jet Bomber
Telecommunications
1850Requires: Computers
Eureka: No boost — research it the long way.
Unlocks:Nuclear Submarine
Nanotechnology
2155Requires: Composites
Eureka: Build a Mine on a Aluminum resource.
Nuclear Fusion
2155Requires: Lasers
Eureka: Own 1 Power Plant.
Robotics
2155Requires: Computers · Guidance Systems · Lasers · Satellites
Eureka: Unlock the Globalization civic.
Unlocks:Giant Death Robot

Future Era

Advanced AI
2200
Eureka: No boost — research it the long way.
Advanced Power Cells
2200
Eureka: No boost — research it the long way.
Cybernetics
2200
Eureka: No boost — research it the long way.
Predictive Systems
2200
Eureka: No boost — research it the long way.
Unlocks:Offshore Wind Farm
Seasteads
2200
Eureka: No boost — research it the long way.
Unlocks:Seastead
Smart Materials
2200
Eureka: No boost — research it the long way.
Offworld Mission
2500
Eureka: No boost — research it the long way.
Future Tech
2600
Eureka: No boost — research it the long way.

Technology tree

Ancient Era

Animal Husbandry

Mining

Pottery

Archery

Astrology

Irrigation

Sailing

Writing

Bronze Working

Masonry

Wheel

Classical Era

Celestial Navigation

Currency

Horseback Riding

Iron Working

Construction

Engineering

Mathematics

Shipbuilding

Medieval Era

Apprenticeship

Buttress

Machinery

Military Tactics

Castles

Education

Military Engineering

Stirrups

Renaissance Era

Banking

Cartography

Gunpowder

Mass Production

Printing

Astronomy

Metal Casting

Siege Tactics

Square Rigging

Industrial Era

Ballistics

Industrialization

Military Science

Scientific Theory

Economics

Rifling

Sanitation

Steam Power

Modern Era

Flight

Refining

Replaceable Parts

Steel

Chemistry

Combustion

Electricity

Radio

Atomic Era

Advanced Ballistics

Advanced Flight

Combined Arms

Plastics

Rocketry

Computers

Nuclear Fission

Synthetic Materials

Information Era

Composites

Guidance Systems

Lasers

Satellites

Stealth Technology

Telecommunications

Nanotechnology

Nuclear Fusion

Robotics

Future Era

Advanced AI