Tech Tree

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The tech tree from early access builds

Techs (short for "technologies") are empire upgrades that cost science and provide various benefits and make additional techs and some laws and events available.

Tier 1 (80 Science)

Technology Prerequisites Effects
Ironworking None
Stonecutting None
Trapping None
Divination None
Administration None

Tier 2 (120 Science)

Technology Prerequisites Effects
Labor Force Ironworking
Husbandry Ironworking
Drama Stonecutting
Polis Stonecutting, Trapping
Military Drill Trapping
Aristocracy Divination
Rhetoric Administration

Tier 3 (200 Science)

Technology Prerequisites Effects
Navigation Labor Force
Phalanx Labor Force
Spoked Wheel Husbandry
Forestry Polis
Steel Military Drill, Ironworking
Sovereignty Aristocracy, Rhetoric
Metaphysics Rhetoric

Tier 4 (400 Science)

Technology Prerequisites Effects
Coinage Navigation
Citizenship Phalanx
Portcullis Drama
Land Consolidation Forestry
Composite Bow Rhetoric
Monasticism Aristocracy
Machinery Sovereignty

Tier 5 (600 Science)

Technology Prerequisites Effects
Scholarship Citizenship
Stirrups Spoked Wheel, Citizenship
Architecture Portcullis
Manor Land Consolidation, Composite Bow
Battleline Steel, Phalanax
Doctrine Monasticism
Torsion Machinery
Cartography Metaphysics, Navigation

Tier 6 (800 Science)

Technology Prerequisites Effects
Hydraulics Coinage
Jurisprudence Scholarship
Martial Code Stirrups
Vaulting Architecture
Bodkin Arrow Manor
Cohorts Battleline
Windlass Torsion

Tier 7 (1000 Science)

Technology Prerequisites Effects
Lateen Sail Hydraulics
Fiscal Policy Jurisprudence
Barding Steel, Martial Code
Infantry Square Bodkin Arrow
Chain Drive Windlass
Ballistics Cartography

Tier 8 (1200 Science)

Technology Prerequisites Effects
Economic Reform Lateen Sail, Fiscal Policy
Military Prestige Barding, Infantry Square
Industrial Progress Chain Drive, Ballistics