Technology
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 (100 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Ironworking |
None | Husbandry, Labor Force, Steel (with Military Drill) | Warrior |
Stonecutting |
None | Drama, Polis, Stone Boost | Fort, Quarry |
Trapping |
None | Military Drill | Slinger, Camp |
Divination |
None | Aristocracy | Shrine |
Administration |
None | Rhetoric, Free Worker | Treasury, Granary |
- Stone Boost
- +200
Tier 2 (150 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Labor Force |
Ironworking | Navigation, Phalanx | Roads, Slavery / Freedom, Revelation |
Husbandry |
Ironworking | Spoked Wheel, Food Boost | Pasture |
Drama |
Stonecutting | Portcullis (with Spoked Wheel), Free Settler | Odeon, Gnosticism |
Polis |
Stonecutting | Forestry | Hamlet, Ask To Declare War |
Military Drill |
Trapping | Composite Bow, Steel (with Ironworking) | Barracks, Rally Troops |
Aristocracy |
Divination | Border Boost, Sovereignty (with Rhetoric), Monasticism | Ambassador, Centralization / Vassalage |
Rhetoric |
Administration | Metaphysics, Sovereignty (with Aristocracy) | Forum I, Epics / Exploration, Dualism |
- Border Boost
- All Cities +6 Border Tiles
- Food Boost
- +200
Tier 3 (250 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
| Labor Force | Coinage, Cartography (with Metaphysics), Free Bireme | Bireme, Colonies / Serfdom, Can automate scouts | |
Phalanx |
Labor Force | Citizenship, Battle Line (with Steel), Free Hoplite, Orders Boost | Spearman |
Spoked Wheel |
Husbandry | Portcullis (with Drama), Stirrups (with Citizenship), Free Chariot | Chariot, Chancellor |
Forestry |
Polis | Land Consolidation, Free Court Scholar, Free Heavy Chariot, Free Light Chariot | Lumbermill, Enlightenment |
Steel |
Ironworking, Military Drill | Battle Line (with Phalanx), Free African Elephant, Free Hastatus, Training Boost | Axeman |
Sovereignty |
Aristocracy, Rhetoric | Machinery, Civics Boost | Tyranny / Constitution |
Metaphysics |
Rhetoric | Cartography (with Navigation) | Convert to State Religion, High Synod, Archive I, Redemption, |
- Civics Boost
- +800
- Orders Boost
- +20
- Training Boost
- +800
Tier 4 (400 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Coinage |
Navigation | Money Boost, Lateen Sail (with Cartography) | Market, Pacify City, Automate Workers |
Citizenship |
Phalanx | Scholarship, Stirrups (with Spoked Wheell), Free Court Minister | Courthouse, Divine Rule / Legal Code |
Portcullis |
Drama, Spoked Wheel | Architecture, Free Battering Ram, Free Maceman | Spymaster, Moat |
Land Consolidation |
Forestry | Cohorts (with Battle Line), Manor (with Composite Bow), Free Camel Archer, Free War Elephant | Camel Archer, War Elephant, Grove |
Composite Bow |
Military Drill | Manor (with Land Consolidation), Free Akkadian Archer, Free Archer, Free Palton Cavalry | Archer, Range |
Monasticism |
Aristocracy | Doctrine | Monastery, Monotheism / Polytheism |
Machinery |
Sovereignty | Hydraulics, Free Onager | Onager |
Tier 5 (600 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Scholarship |
Citizenship | Jurisprudence, Windlass (with Hydraulics), Free Court Scholar | Library, Expose Agent Network, Move Agent Network |
Stirrups |
Citizenship, Spoked Wheel | Martial Code, Free Horse Archer, Free Horseman, Free Kushite Cavalry, Free Three Man Chariot | Horse Archer, Horseman |
Architecture |
Portcullis | Vaulting, Free Siege Tower | Bath, Philosophy / Engineering |
Manor |
Composite Bow, Land Consolidation | Bodkin Arrow, Goods Boost, Free Turreted Elephant | Conscript, Professional Army / Volunteers |
Battle Line |
Phalanx, Steel | Barding (with Martial Code), Cohorts (with Land Consolidation), Free Court Soldier | Maceman |
Doctrine |
Monasticism | Temple, Tolerance / Orthodoxy | |
Hydraulics |
Machinery | Windlass (with Scholarship), Ballistics (with Cartography), Free Ballista | Ballista, Mill |
Cartography |
Metaphysics, Navigation | Lateen Sail (with Coinage), Ballistics (with Hydraulics) | Trireme, Harbor, Steal Research |
- Goods Boost
- +400
, +400 , +400 
Tier 6 (1000 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Lateen Sail |
Cartography, Coinage | Fiscal Policy (with Jurisprudence), Free Dromon | Dromon, Autarky / Trade League |
Jurisprudence |
Scholarship | Fiscal Policy (with Lateen Sail), Free Court Minister | Insurrection, Guilds / Elites |
Martial Code |
Stirrups | Barding (with Battle Line) | Towers, Pilgrimage / Holy War |
Vaulting |
Architecture | Happiness Boost | Cathedral, Iconography / Calligraphy |
Bodkin Arrow |
Manor | Infantry Square, Free Longbowman, Free Cimmerian Archer | Longbowman |
Windlass |
Torsion | Chain Drive, Free Cataphract Archer, Free Crossbowman | Crossbowman |
- Happiness Boost
- (All Cities) - +1 Happiness Level
Tier 7 (1500 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Fiscal Policy |
Lateen Sail, Jurisprudence | Economic Reform, Free Court Merchant | Coin Debasement / Monetary Reform |
Barding |
Steel, Martial Code | Military Prestige (with Infantry Square and Cohorts) | Cataphract |
Infantry Square |
Bodkin Arrow | Military Prestige (with Barding and Cohorts), Free Court Soldier, Free Phalangite | Pikeman |
Cohorts |
Land Consolidation, Battle Line | Military Prestige (with Barding and Infantry Square), Free Legionary | Swordsman |
Chain Drive |
Windlass | Industrial Progress (with Ballistics) | Polybolos |
Ballistics |
Hydraulics, Cartography | Industrial Progress (with Chain Drive) | Mangonel |
Tier 8 (2000 Science)
| Technology | Prerequisites | Leads To | Effects |
|---|---|---|---|
Economic Reform |
Fiscal Policy | Court Merchant, +1 Victory Point | |
Military Prestige |
Barding, Infantry Square, Cohorts | Court Soldier, +1 Victory Point | |
Industrial Progress |
Chain Drive, Ballistics | Court Minister, +1 Victory Point |
All Tier 8 technologies can be researched multiple times