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 |
|