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[[File:TechTree.jpg|right|thumb|400px|The tech tree]]
[[File:Techs.jpg|right|thumb|400px|The tech tree from early access builds]]


'''Techs''' (short for "technologies") are empire upgrades that cost [[Resources|science]] and provide various benefits and make additional techs and some [[laws]] and [[events]] available.
'''Techs''' (short for "technologies") are empire upgrades that cost [[Resources|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).
==List of techs==
* Stonecutting (80 science)
**Unlocks Quarry:
***+5 Stone per Year
***Marble: +1 Civic, +5 Stone
***Arid: +20% Stone
***Adjacent Mountain or Volcano: +50% stone
***Enables Stonecutter (cost: 20 weapons, -1 Order/Year)
**Bonus Card: Stone Boost
*Divination (80 science)
** Unlocks Shrine improvements:
*** Shrine of Athena (Urban building, +2 culture, + 2 science per year, enables Acolyte)
*** Shrine of Poseidon
*** Shrine of Hades
*** Shrine of Zeus
** Leads to Aristocracy and Sovereignty (with Administration)
* Administration (80 science)
** Unlocks Treasure I Project:
*** +5 Gold per Year
*** Leads to Treasury II
*** Minimum Culture: Weak
*** Costs: 20 [something]
*** Build: 40 Civis
** Unlocks Granary Improvements:
*** Granary:
**** -2 [something] per year
**** Adjacent Farms: +50%
** Leads to Sovereignity (with Divination) and Rhetoric
* Trapping (80 Science)
** Unlocks Slinger Unit (Ranged and Infantry (20 HP, 2 Movement, 2 Range, 4 Strength, has ZOC, Consumes 1 food, costs 50 food, 60 Training to build, upgrades to Archer)
** Unlocks Camp Improvements (Camels: +0.5 orders, Elephants: +0.5 orders, Game: +1 something, +5 food, Fur: +2 Culture and +10 Gold (Luxury), Enables Trapper, Adjacent Lumbermills: +20%)
** Leads to Polis and Military Drill
* Husbandry (Tier 2 = 120 Science)
** Unlocks Pasture (Horses: +0.5 Orders, Cattle/Sheep/Pigs/Goats: +1 [something], +5 Food. Enables Ranchers. Adjacents Farms: +20%. Costs: 20 something, 3 years (-1 orders/year).
** Bonus Card: Food Boost
* Drama (Tier 2)
** Unlocks Theater (Odean: Urban Building (Spreads borders), +2 culture, -2 [something] per year, enables Poet, costs 40 [something], 5year (-1 order/year)
** Unlocks Amphitheater
** Unlocks Hippodrome
** Unlocks Colosseum
* Polis (Tier 2)
** Unlocks Hamlet (Urban buildng (spreads borders), +10 Gold, -2 food per year, Adjacent Baths and Theaters: +10%, Upgrades to Village in 20 years. Costs 20 [something], 4y (-1 order/year).
** Bonus Card: Free Settler
* Military Drill (Tier 2 = 120 Science))
** Unlocks Barracks (Urban Building, -2 [something] per year, +20% [something], +20XP/year for Idle Melee Units. Enables Officer. Costs 40 [something]. 5years (-1 order/year)
* Ramparts (Tier 3 = 200 Science)
** Unlocks Chancellor (+0.5 order/charisma, +5 Gold/discipline, +2 [something]/Wisdom. [??? Commander, Judge, Building ??? Scholar. Missions: Trade Mission / Family Gifts / Imprison)
** Unlocks Walls (-1 Gold/year, +10 Max HP for City. LEads to Moat. Costs 40 [something]. Build: 60 Civics)
** Bonus Card: Free Archer
* Metaphysics (Tier 3 = 200 Science)
* Orthodoxy (Tier unknown = 400 Science)
** Unlocks Temple Improvements:
*** Zoroastrian Temple (Urban Building, +3 Culture/year, -2 something/year, +0.5 orders/year, enables Priests, Built by Religious Units)
*** Jewish Temple
*** Christian Temple
*** Manichaean Temple
** Unlocks New Laws:
*** Tolerance and Orthodoxy
** Requires Monostacism and Metaphysics, Leads to Aesthetics (with Architecture) and Unit Tactics (with Machinery)
** Bonus Card: Orders Boost


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.


==All techs==


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

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