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.
All available techs are placed in a draw pile. 4 techs (5 if you built the Oracle) will be randomly selected and presented to the player to choose from. 1 can be selected, the others will be placed into the discard pile (boosts or free units will be discarded). If your leader is a scholar you can do a 1-time redraw of available techs from the draw pile (this will not cause boosts or free unit cards to be discarded).
After a tech is completed, any new available techs are added to the draw pile, and a new set of techs will be selected from the draw pile for the player to choose from. Techs will be moved from the discard pile to the draw pile when the draw pile is empty.
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 |
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 | Sovereignty (with Rhetoric), Monasticism, Border Boost | Ambassador, Centralization / Vassalage |
Rhetoric |
Administration | Metaphysics, Sovereignty (with Aristocracy) | Forum I, Epics / Exploration, Dualism |
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, |
Tier 4 (400 Science)
Technology | Prerequisites | Leads To | Effects |
---|---|---|---|
Coinage |
Navigation | Lateen Sail (with Cartography), Money Boost | 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, Free Turreted Elephant, Goods Boost | 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 |
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 |
Scholarship, Hydraulics | 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