Tech Tree

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The tech tree

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)[edit]

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

Tier 2 (120 Science)[edit]

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

Tier 3 (200 Science)[edit]

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)[edit]

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

Tier 5 (600 Science)[edit]

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)[edit]

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

Tier 7 (1000 Science)[edit]

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)[edit]

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