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 Total Science Required Effects
Ironworking None 80Science.png
Stonecutting None 80Science.png
Trapping None 80Science.png
Divination None 80Science.png
Administration None 80Science.png

Tier 2 (120 Science)

Technology Prerequisites Total Science Required Effects
Labor Force Ironworking 200Science.png
Husbandry Ironworking 200Science.png
Drama Stonecutting 200Science.png
Polis Stonecutting, Trapping 280Science.png
Trapping Military Drill 200Science.png
Aristrocracy Divination 200Science.png
Sovereignty Divination, Administration 280Science.png
Rhetoric Administration 200Science.png

Tier 3 (200 Science)

Technology Prerequisites Total Science Required Effects
Navigation Labor Force 400Science.png
Phalanx Labor Force 400Science.png
The Wheel Husbandry 400Science.png
Ramparts Drama 400Science.png
Forestry Polis 480Science.png
Battleline Military Drill, Ironworking 480Science.png
Monasticism Aristocracy 400Science.png
Composite Bow Rhetoric 400Science.png
Metaphysics Rhetoric 400Science.png

Tier 4 (400 Science)

Technology Prerequisites Total Science Required Effects
Citizenship Phalanx 800Science.png
Drawbridge Ramparts 1200Science.png
Land Consolidation Forestry 880Science.png
Steel Forestry, Battleline 960Science.png
Doctrine Monasticism, Metaphysics 1200Science.png
Siegecraft Sovereignty 1080Science.png

Tier 5 (800 Science)

Technology Prerequisites Total Science Required Effects
Coinage Navigation 2000Science.png
Scholarship Citizenship 2400Science.png
Torsion Phalanx, Siegecraft 2280Science.png
Stirrups Spoked Wheel, Land Consolodation 1680Science.png
Architecture Drawbridge 2000Science.png
Manor Land Consolodation, Composite Bow 2080Science.png
Machinery Siegecraft 1880Science.png
Mounted Archery Siegecraft 1880Science.png
Cartography Metaphysics, Navigation 1600Science.png

Tier 6 (1600 Science)

Technology Prerequisites Total Science Required Effects
Hydraulics Coinage 5480Science.png
Lateen Sail Scholarship 6000Science.png
Warrior Code Architecture 5680Science.png
Bodkin Arrow Steel 4660Science.png
Aesthesics Doctrine, Architecture 4800Science.png
Unit Tactics Doctrine 4660Science.png
Strategy Cartography, Torsion 5480Science.png

Tier 7 (3200 Science)

Technology Prerequisites Total Science Required Effects
Vaulting Hydraulics, Aesthetics 13480Science.png
Jurisprudence Lateen Sail 9200Science.png
Barding Stirrups, Warrior Code 10560Science.png
Sarissa Bodkin Arrow, Citizenship 8660Science.png
Fiscal Policy Unit Tactics, Machinery 9740Science.png
Windlass Mounted Archery, Strategy 10560Science.png

Tier 8 (6400 Science)

Technology Prerequisites Effects
Economic Reform Jurisprudence
Military Reform Sarissa
Political Reform Fiscal Policy