Tech Tree

Tanning
Can Build a Camp
Can Train Scout, Archer, Skirmisher
Can Construct Tannery
Transmission: +3
30 Turns (0/120 ) Scout (Recon Units)
1, 1
Can Enter Desert, Tundra, Ice, Jungle, Marsh, Rainforest
Better Results from Tribal Villages
+100% vs. Animals
Starts with Disengage I, Reconnaissance
Requires Tanning
18 Archer (Archery Units)
3, 1
1 First Strike
+50% City Defense
+25% Hills Defense
+50% vs. Light Cavalry Units
Requires Tanning
31 Tannery
+1 from Deer
+1 from Fur
New Recon Units Receive +2 Experience Points
Requires Tanning
44 Can Build a CampTanning

Mining
Can Build a Mine
Can Create Slave Mine
120 Can Build a MineCan Create Slave MineMining

Pottery
Can Build a Orchard
Can Construct Granary, The Pyramids
120 Granary, +1
Stores 25% of after Growth
+1 from Salt
Required to Build Grain Silo
66 (Double Production Speed with Redistribution) The Pyramids, +6, +2 (Great Engineer)
World Wonder (1 Allowed)
Centers World Map
Can turn 1 Citizen into Priest
Can turn 1 Citizen into Engineer
+1 per from resources
Requires Pesedjet
200 (Triple Production Speed with Stone)
Obsolete with Architecture Can Build a OrchardPottery

Pastoralism
Can Build a Pasture
Reveals Camel, Horse
120 Turns (0/120 ) Can Build a PastureReveals CamelReveals HorsePastoralism

Agriculture
Can Build a Farm
Can Build a Paddy Field
120 Can Build a FarmCan Build a Paddy FieldAgriculture

Mythology
Can Construct Pesedjet Temple, The Great Sphinx
120 Pesedjet Temple, +2
Replaces Pagan Temple
+1 with Deification
Requires Pesedjet
33 The Great Sphinx, +4, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 from Marble, Stone
Requires Pesedjet
80 (Double Production Speed with Stone)
Obsolete with Aesthetics Mythology

Sailing
Can Work Water Tiles
Can Create Fishing Boats
Enables on Rivers
Can Train Work Boat
120 Turns (0/120 ) Work Boat
2
Cannot Enter Ocean (until Optics), Cape (until Cartography)
Can Improve Tiles
Requires Sailing
37 Can Create Fishing BoatsEnables Trade on RiversCan Work Water Tiles Sailing

Smelting
Reveals Copper
Can Train Spearman
180 Turns (0/180 ) Spearman (Melee Units)
4, 1
+100% vs. Heavy Cavalry Units
Requires Smelting
Requires Copper or Iron or Obsidian
37 Reveals CopperSmelting

Masonry
Can Build a Quarry
Enables Slavery
180 Turns (0/180 ) Slavery
Reqs Masonry
Can Capture Workers
+1 from Quarry
+1 from Plantation, Slave Plantation, Orchard Can Build a QuarryMasonry

Leverage
Can Build a Road
Can Train War Chariot
Can Construct Weaver
180 Turns (0/180 ) War Chariot (Light Cavalry Units)
Unique Unit for The Egyptians
Replaces Chariot
4, 2
Can Enter Desert
Immune to First Strikes
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (30% Chance)
+25% Open Terrain Strength
+25% Desert Attack
Starts with Desert Adaptation
Requires Leverage
Requires Horse
37 Weaver, +1
+1 from Sheep, Cotton, Dye, Silk
Requires Leverage
66 (Double Production Speed with Caste System) Can Build a RoadLeverage

Property
Can Build a Cottage
Enables Despotism
180 Turns (0/180 ) Despotism
Reqs Property
Can Sacrifice Population to Finish Production in a City Can Build a CottageProperty

Ceremony
Enables Monarchy
Can Construct Obelisk, Court
180 Turns (0/180 ) Obelisk, +2, +25%
Unique Building for The Egyptians
Replaces Monument
Can turn 1 Citizen into Priest
+1 with Nationhood
Required to Build Civic Square, National Monument
Requires Ceremony
44 Court, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Artist
Requires Palace
Requires Ceremony
66
Obsolete with Statecraft Monarchy
Reqs Ceremony
+1 per Military Unit Stationed in a City
-25% Maintenance Costs from Distance to Palace
+50% converted to Ceremony

Divination
Can Construct Temple
Enables Deification
Can Construct Tomb, The Oracle
180 Turns (0/180 ) Tomb, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Priest
+1 with Deification
Requires Palace
Requires Divination
66
Obsolete with Theology The Oracle, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
2 Free Technologies From Your Current Or Earlier Eras
Requires Pesedjet
Requires Divination
120 (Double Production Speed with Marble)
Obsolete with Ethics Can Construct TempleDeification
Reqs Divination
+25% when building Wonders
+1 in Cities with State
+1 slots for Priest
+1 from Pagan Temple, Tomb, Sanctuary Divination

Seafaring
Can Create Harvest Boats
Enables on Coast
Can Train Galley
Enables Amphibious
150 Turns (0/150 ) Galley (Naval Units)
2, 4
Cargo Space: 2
Cannot Enter Ocean, Cape (until Compass)
Can Withdraw from Combat (50% Chance)
Requires Seafaring
50 Amphibious
No Combat Penalty for Attacking from Sea
No movement loss when entering enemy waters
No Combat Penalty for Crossing River Can Create Harvest BoatsEnables Trade on CoastTanning
Can Build a Camp
Can Train Scout, Archer, Skirmisher
Can Construct Tannery
Transmission: +3
30 Turns (0/120 ) Seafaring

Alloys
Can Chop Down a Forest
Can Remove Savanna
Can Train Light Swordsman, Axeman
225 Turns (0/225 ) Light Swordsman (Melee Units)
5, 1
Requires Alloys
Requires Copper or Iron or Obsidian
43 Can Chop Down a Forest
Can Remove SavannaPottery
Can Build a Orchard
Can Construct Granary, The Pyramids
120 Alloys

Construction
Can Construct Walls, The Great Wall, Ishtar Gate, Moai Statues
225 Turns (0/225 ) Walls
50% Defense (Except vs. Gunpowder-based Units)
-50% Damage to Defenses from Bombardment (Except vs. Gunpowder-based Units)
Required to Build Castle
Requires Construction
55 (Double Production Speed with Stone)
Obsolete with Ballistics (Except defensive bonus) The Great Wall, +2, +2 (Great Engineer)
World Wonder (1 Allowed)
Reduced enemy movement speed within the walls
Barbarian units take damage within the walls
Requires Construction
360 (Double Production Speed with Stone)
Obsolete with Combined Arms Ishtar Gate, +6, +2 (Great Artist)
World Wonder (1 Allowed)
Can turn 1 Citizen into Priest
Can turn 1 Citizen into Artist
Can turn 1 Citizen into Scientist
Can turn 1 Citizen into Merchant
Can turn 1 Citizen into Engineer
Can turn 1 Citizen into Statesman
Requires Pesedjet
Requires Construction
120 (Double Production Speed with Marble)
Obsolete with Philosophy Construction

Riding
Can Train Horseman, Camel Rider, War Elephant
Can Construct Stable
Enables Skirmish
180 Turns (0/180 ) Horseman (Heavy Cavalry Units)
6, 2
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (20% Chance)
-25% City Strength
+25% vs. Siege Weapons
Flank attack against Catapult
Requires Riding
Requires Horse
Requires Copper or Iron
62 Camel Rider (Heavy Cavalry Units)
5, 2
Can Enter Desert
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (20% Chance)
-25% City Strength
+25% Desert Strength
+25% Semidesert Strength
+25% vs. Heavy Cavalry Units
+25% vs. Siege Weapons
Flank attack against Catapult
Starts with Desert Adaptation
Requires Riding
Requires Camel
Requires Copper or Iron
62 Skirmish
+25% vs. Light Cavalry Units Stable
New Heavy Cavalry Units Receive +2 Experience Points
New Light Cavalry Units Receive +2 Experience Points
Requires Riding
66 (Double Production Speed with Hegemony)
Obsolete with Power Projection Tanning
Can Build a Camp
Can Train Scout, Archer, Skirmisher
Can Construct Tannery
Transmission: +3
30 Turns (0/120 ) Riding

Arithmetics
Enables Open Borders
Can Adjust Rate
Enables Redistribution
Can Construct Terracotta Army, Apadana Palace
225 Turns (0/225 ) Terracotta Army, +6, +2 (Great Artist)
World Wonder (1 Allowed)
+25% Military Unit Production
Unlimited experience from Barbarian Units
Victories against Barbarians contribute to Great General birth
Requires Arithmetics
120
Obsolete with Feudalism Apadana Palace, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
Free Obelisk in Every City
Workers Build Improvements +50% Faster
Requires Arithmetics
200 (Double Production Speed with Marble)
Obsolete with Politics Redistribution
Reqs Arithmetics
+25% in Capital
-50% from Trade Routes ()
Double Production Speed for Granary Enables Open Borders Arithmetics

Writing
Enables Republic
Can Construct Library, School, Dujiangyan
270 Turns (0/270 ) Library, +2, +25%
Can turn 2 Citizens into Scientist
Required to Build University, National College, House of Wisdom
Requires Writing
99 (Double Production Speed with Citizenship) School, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Scientist
+1 with Republic
Requires Palace
Requires Writing
66
Obsolete with Academia Dujiangyan, +2, +2 (Great Statesman)
World Wonder (1 Allowed)
River Tiles: +1
Requires a River
Requires Writing
Requires Rice
280
Obsolete with Horticulture Republic
Reqs Writing
+1 free specialists in 3 Most Cultured Cities
+1 slots for Artist, Scientist, Merchant, Statesman
+1 from Fishing Boats
-1 from Farm, Paddy Field, Plantation, Slave Plantation
+1 from School, Mint, Council Writing

Calendar
Centers World Map
Can Build a Plantation
Enables Manorialism
Can Construct The Hanging Gardens
First to Discover Founds Hinduism
270 Turns (0/270 ) The Hanging Gardens, +6, +2 (Great Engineer)
World Wonder (1 Allowed)
Provides 1 Dates (), +1
No from Flood Plains
Requires Pesedjet
Requires Calendar
160 (Double Production Speed with Stone)
Obsolete with Civil Service Manorialism
Reqs Calendar
Workers Build Improvements +50% Faster
+1 from Pasture
+1 from Farm, Paddy Field Can Build a PlantationCenters World Map First to Discover Founds HinduismCalendar

Shipbuilding
Can Train War Galley, Heavy Galley, Cog
Can Construct Harbor, The Great Cothon
180 Turns (0/180 ) War Galley (Naval Units)
3, 4
Cannot Enter Ocean, Cape (until Compass)
Can Withdraw from Combat (25% Chance)
Requires Shipbuilding
50 Harbor
Water Tiles: +1
+1 from Clam, Crab, Fish, Whale
Required to Build Wharf, Customs House, San Marco Basilica
Requires Access to Coast
Requires Shipbuilding
66 (Double Production Speed with Thalassocracy) The Great Cothon, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
Water Tiles: +1
Requires Pesedjet
Requires Access to Coast
Requires Shipbuilding
240 (Double Production Speed with Stone)
Obsolete with Alchemy Leverage
Can Build a Road
Can Train War Chariot
Can Construct Weaver
180 Turns (0/180 ) Shipbuilding

Bloomery
Reveals Iron
Can Train Swordsman
Can Construct The Colossus
450 Turns (0/450 ) Swordsman (Melee Units)
6, 1
+10% City Attack
Requires Bloomery
Requires Iron
50 The Colossus, +6, +2 (Great Merchant)
World Wonder (1 Allowed)
Water Tiles: +2
Requires Pesedjet
Requires Access to Coast
Requires Bloomery
320 (Double Production Speed with Copper)
Obsolete with Guilds Reveals IronMasonry
Can Build a Quarry
Enables Slavery
180 Turns (0/180 ) Bloomery

Cement
Can Construct Aqueduct, The Great Mausoleum, Aqua Appia
412 Turns (0/412 ) Aqueduct
Stores 25% of after Growth
Required to Build Bath
Requires Cement
110 (Double Production Speed with Citizenship) The Great Mausoleum, +10, +2 (Great Artist)
World Wonder (1 Allowed)
+50% Golden Age Length
Requires Cement
400 (Double Production Speed with Marble)
Obsolete with Patronage Aqua Appia, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
+1 per Culture Level
Requires Pesedjet
Requires Cement
280 (Double Production Speed with Stone)
Obsolete with Crop Rotation Cement

Mathematics
Enables Bridge Building
Can Train Catapult
Can Construct Arch, The Parthenon, Pyramid of the Sun, The Temple of Artemis
412 Turns (0/412 ) Catapult (Siege Weapons)
3, 1
Cannot Capture Enemy Cities or Units
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (50% Chance)
Maximum 50% damage to enemy on attack
Causes Collateral Damage (max. 40%)
Immune to collateral damage from Siege Weapons
+50% City Attack
Can Bombard City Defenses (-8%/Turn)
Requires Mathematics
93 Arch, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Engineer
Requires Palace
Requires Mathematics
99
Obsolete with Patronage The Parthenon, +10, +2 (Great Artist)
World Wonder (1 Allowed)
+50% Birth Rate in All Cities
Requires Pesedjet
Requires Mathematics
280 (Double Production Speed with Marble)
Obsolete with Gunpowder Pyramid of the Sun, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+3 per Citizen
Requires Pesedjet
Requires Mathematics
Requires Corn
400 (Double Production Speed with Stone)
Obsolete with Crop Rotation Enables Bridge Building Calendar
Centers World Map
Can Build a Plantation
Enables Manorialism
Can Construct The Hanging Gardens
First to Discover Founds Hinduism
270 Turns (0/270 ) Mathematics

Contract
Enables Gold Trading via Diplomacy
Enables Vassal States
Can Train Skirmisher
Can Construct Mint
First to Discover Founds Confucianism
375 Turns (0/375 ) Skirmisher (Archery Units)
4, 1
1 First Strike
Can Withdraw from Combat (30% Chance)
Causes Collateral Damage (max. 25%)
+25% Hills Attack
+25% Forest Attack
+25% Rainforest Attack
Requires Contract
Requires Tanning
37 Mint, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Merchant
+1 with Republic
Requires Palace
Requires Contract
99
Obsolete with Finance Enables Gold Trading via Diplomacy Enables Vassal States First to Discover Founds ConfucianismConstruction
Can Construct Walls, The Great Wall, Ishtar Gate, Moai Statues
225 Turns (0/225 ) Contract

Literature
Enables Technology Trading
Can Adjust Rate
Enables Caste System
Can Construct Theatre, The Statue of Zeus
450 Turns (0/450 ) Theatre, +25%
Can turn 1 Citizen into Artist
Required to Build Cinema, National Theatre
Requires Literature
66 (Double Production Speed with Citizenship) The Statue of Zeus, +6, +2 (Great Artist)
World Wonder (1 Allowed)
No on City Conquest
Requires Pesedjet
Requires Literature
240 (Double Production Speed with Ivory)
Obsolete with Fortification Caste System
Reqs Literature
+2 in All Cities
+1 from Priest, Artist
+1 from Plantation
Double Production Speed for Weaver, Jeweller, Pharmacy, Grocer Enables Technology Trading Literature

Priesthood
Can Construct Monastery
Can Construct Sanctuary
Enables Clergy
Can Construct The Temple of Artemis
First to Discover Founds Zoroastrianism
412 Turns (0/412 ) The Temple of Artemis, +8, +2 (Great Merchant)
World Wonder (1 Allowed)
Free Harbor in Every City
+1 on improved Clam resources
+1 on improved Crab resources
+1 on improved Fish resources
Requires Pesedjet
Requires Priesthood
Requires Mathematics
320 (Double Production Speed with Marble)
Obsolete with Theology Can Construct MonasteryCan Construct SanctuaryClergy
Reqs Priesthood
Cities with State Construct Buildings +25% Faster First to Discover Founds ZoroastrianismPriesthood

Navigation
Can Create Whaling Boats
Enables Thalassocracy
Can Construct Lighthouse, The Great Lighthouse, Moai Statues
375 Turns (0/375 ) Lighthouse
+1 Trade Routes
Requires Access to Coast
Requires Navigation
88 (Double Production Speed with Merchant Trade) The Great Lighthouse, +6, +2 (Great Merchant)
World Wonder (1 Allowed)
+4 Trade Routes
+100% Trade Route Yield
Requires Pesedjet
Requires Access to Coast
Requires Navigation
240
Obsolete with Compass Moai Statues, +4, +2 (Great Prophet)
World Wonder (1 Allowed)
+2 for Water Improvements
Requires 20 Water Tiles in City Radius
Requires Pesedjet
Requires Access to Coast
Requires Navigation
Requires Construction
240 (Double Production Speed with Stone) Thalassocracy
Reqs Navigation
+2 from Fishing Boats, Harvest Boats
-1 from Plantation, Cottage, Hamlet, Village, Town
Double Production Speed for Harbor, Wharf, Drydock Can Create Whaling BoatsNavigation

Generalship
Can Build a Fort
Enables Hegemony
Can Train War Elephant
Enables Formation
525 Turns (0/525 ) War Elephant (Heavy Cavalry Units)
8, 1
Can Enter Jungle, Rainforest
Doesn't Receive Defensive Bonuses
+25% vs. Heavy Cavalry Units
Requires Generalship
Requires Riding
Requires Ivory
87 Formation
+25% vs. Heavy Cavalry Units Hegemony
Reqs Generalship
+25% on City Conquest
-1 turns of in Conquered Cities
Double Production Speed for Barracks, Stable, Jail, Castle, Star Fort Can Build a FortContract
Enables Gold Trading via Diplomacy
Enables Vassal States
Can Train Skirmisher
Can Construct Mint
First to Discover Founds Confucianism
375 Turns (0/375 ) Generalship

Engineering
+1 Road Movement
+1 Roman Road Movement
Can Construct Arena, Flavian Amphitheatre, The Pantheon
600 Turns (0/600 ) Arena, +2
+1 per 10% Rate
Required to Build Stadium
Requires Engineering
88 Flavian Amphitheatre, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
New Units Receive +4 Experience Points
+50% Military Unit Production
Requires Pesedjet
Requires Engineering
400 (Double Production Speed with Marble)
Obsolete with Companies The Pantheon, +8, +2 (Great Engineer)
World Wonder (1 Allowed)
+1 per Pagan Temple
Extra when a Pagan Temple is removed
No when converting from a Pagan to a Major Religion
Requires Pesedjet
Requires Engineering
320 (Double Production Speed with Marble)
Obsolete with Doctrine Engineering

Aesthetics
Obsoletes The Great Sphinx
Can Construct Jeweller, Temple of Kukulkan, Jetavanaramaya
First to Discover Founds Taoism
525 Turns (0/525 ) Jeweller, +2
Can turn 1 Citizen into Artist
+1 from Amber, Gems, Jade, Pearls
Requires Aesthetics
88 (Double Production Speed with Caste System) Temple of Kukulkan, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 from Plantations
Requires Pesedjet
Requires Aesthetics
Requires Corn
360 (Double Production Speed with Stone)
Obsolete with Exploration Jetavanaramaya, +2, +2 (Great Artist)
World Wonder (1 Allowed)
+1 from Artist in All Cities
Requires Aesthetics
280
Obsolete with Humanities First to Discover Founds TaoismPriesthood
Can Construct Monastery
Can Construct Sanctuary
Enables Clergy
Can Construct The Temple of Artemis
First to Discover Founds Zoroastrianism
412 Turns (0/412 ) Aesthetics

Currency
Enables Merchant Trade
Can Construct Market, Al Khazneh
Can Build Wealth
Required for the spread of Silk Route
570 Turns (0/570 ) Market, +25%
Can turn 2 Citizens into Merchant
Required to Build Grocer, Supermarket
Requires Currency
165 (Double Production Speed with Merchant Trade) Al Khazneh, +6, +2 (Great Merchant)
World Wonder (1 Allowed)
+1 Trade Routes in All Cities
Requires Oasis in city radius
Requires Currency
200
Obsolete with Finance Merchant Trade
Reqs Currency
+1 Trade Routes () per City
+1 from Merchant
Double Production Speed for Lighthouse, Market Currency

Law
Enables Citizenship
Can Construct Jail, Council, Machu Picchu
570 Turns (0/570 ) Jail, +4
-25% Maintenance
Required to Build Constabulary
Requires Law
132 (Double Production Speed with Hegemony) Council, +1
National Wonder (1 Allowed)
Can turn 1 Citizen into Statesman
+1 with Republic
Requires Palace
Requires Law
99
Obsolete with Social Contract Machu Picchu, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+2 per Peak in City Radius
Requires Pesedjet
Requires Law
Requires Potatoes
320 (Double Production Speed with Stone)
Obsolete with Geology Citizenship
Reqs Law
Double Production Speed for Library, Aqueduct, Theatre, Bath
Can Spend Gold to Finish Military Unit Production in a City
Spies can bribe Barbarian units Law

Philosophy
Obsoletes Ishtar Gate
Enables Syncretism
Can Construct Academy, The Great Library, Nalanda University
First to Discover Founds Buddhism
600 Turns (0/600 ) Academy, +4, +50%
Can be built by Great Scientist
Requires Philosophy The Great Library, +8, +2 (Great Scientist)
World Wonder (1 Allowed)
+2 Free Scientist
Requires Pesedjet
Requires Philosophy
400 (Double Production Speed with Marble)
Obsolete with Paper Nalanda University, +6, +2 (Great Scientist)
World Wonder (1 Allowed)
+2 from All State Buildings
Requires Philosophy
320
Obsolete with Patronage Syncretism
Reqs Philosophy
No from Changing State Religion
All Buildings provide Religion Effect if State present
+2 from Paddy Field
Can Build Missionaries without Monastery First to Discover Founds BuddhismPhilosophy

Medicine
Can Construct Bath, Gondeshapur
Enables Medic I
570 Turns (0/570 ) Medic I
Heals Units in Same Tile Extra 10% Damage/Turn Bath, +3, +2
Requires Aqueduct
Requires Medicine
110 (Double Production Speed with Citizenship) Gondeshapur, +6, +2 (Great Scientist)
World Wonder (1 Allowed)
Free Medic I Promotion for Units Built in this City
+1 from Scientist in All Cities
Requires Medicine
320
Obsolete with Education Cement
Can Construct Aqueduct, The Great Mausoleum, Aqua Appia
412 Turns (0/412 ) Medicine

Nobility
First to Discover Receives a Great General
Can Train Horse Archer, Camel Archer
825 Turns (0/825 ) Horse Archer (Light Cavalry Units)
6, 2
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (30% Chance)
+50% Open Terrain Strength
Requires Nobility
Requires Horse
87 Camel Archer (Light Cavalry Units)
5, 2
Can Enter Desert
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (30% Chance)
+50% Open Terrain Strength
+25% Desert Strength
+25% Semidesert Strength
+25% vs. Heavy Cavalry Units
Starts with Desert Adaptation
Requires Nobility
Requires Camel
87 Riding
Can Train Horseman, Camel Rider, War Elephant
Can Construct Stable
Enables Skirmish
180 Turns (0/180 ) Nobility

Steel
Can Build a Lumbermill
Can Train Heavy Swordsman, Heavy Spearman
Can Construct Forge, Iron Pillar
750 Turns (0/750 ) Heavy Spearman (Melee Units)
6, 1
+100% vs. Heavy Cavalry Units
Requires Steel
Requires Copper or Iron
75 Forge, +1, +25%
Can turn 1 Citizen into Engineer
+1 from Gold, Silver
Required to Build Ironworks, Iron Pillar, The Statue of Liberty, The Eiffel Tower
Requires Steel
132 Iron Pillar, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
Free Forge in Every City
Requires Forge
Requires Steel
400 (Double Production Speed with Iron) Can Build a LumbermillCement
Can Construct Aqueduct, The Great Mausoleum, Aqua Appia
412 Turns (0/412 ) Steel

Architecture
Obsoletes The Pyramids
Can Construct Cathedral
Can Construct Theodosian Walls, The Hagia Sophia
750 Turns (0/750 ) Theodosian Walls, +2, +2 (Great Engineer)
World Wonder (1 Allowed)
Heals Units Extra 20% Damage/Turn
100% Defense (Except vs. Gunpowder-based Units)
+1 Free Engineer
Requires Architecture
480 (Double Production Speed with Stone)
Obsolete with Logistics (Except defensive bonus) The Hagia Sophia, +8, +2 (Great Engineer)
World Wonder (1 Allowed)
+1 per City with
Requires Architecture
480 (Double Production Speed with Marble)
Obsolete with Collectivism Can Construct CathedralArchitecture

Artisanry
Can Build a Workshop
Can Construct Borobudur, Salsal Buddha
Can Build Culture
675 Turns (0/675 ) Borobudur, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 from Priest in All Cities
Can turn 3 Citizens into Priest
Requires Artisanry
400 (Double Production Speed with Stone)
Obsolete with Sociology Salsal Buddha, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
+50% Commerce from Corporations
Requires Artisanry
320
Obsolete with Measurement Can Build a WorkshopArtisanry

Politics
Obsoletes Apadana Palace
Enables Elective
Can Train Spy
Can Construct Administrative Center, Prambanan
750 Turns (0/750 ) Spy (Espionage Units)
2
Can Enter Jungle, Marsh, Rainforest
Invisible to All Units
Can Explore Rival Territory
Helps Thwart Rival Spies
Requires Politics
50 Administrative Center, +4
Reduces Maintenance in Nearby Cities
Can turn 1 Citizen into Statesman
Can be built by Great Statesman
Requires at least 8 Cities
Requires Politics Prambanan, +6, +2 (Great Engineer)
World Wonder (1 Allowed)
+1 per from resources
Requires Politics
400 (Double Production Speed with Stone)
Obsolete with Statecraft Elective
Reqs Politics
+1 from No Improvement
+2 from Pasture, Camp
+1 from Cottage
Double Production Speed for Palace Politics

Scholarship
Can Construct Cheomseongdae, University of Sankore
Can Build Research
750 Turns (0/750 ) Cheomseongdae, +6, +2 (Great Scientist)
World Wonder (1 Allowed)
+1 per 10% Rate
Requires Scholarship
320
Obsolete with Physics University of Sankore, +8, +2 (Great Scientist)
World Wonder (1 Allowed)
Receive additional when trading technologies
Requires Scholarship
Requires Ivory
480 (Double Production Speed with Stone)
Obsolete with Scientific Method Engineering
+1 Road Movement
+1 Roman Road Movement
Can Construct Arena, Flavian Amphitheatre, The Pantheon
600 Turns (0/600 ) Scholarship

Ethics
Obsoletes The Oracle
Enables Monasticism
Can Construct Floating Gardens, Shwedagon Paya, Mount Athos
First to Discover Founds Orthodoxy
675 Turns (0/675 ) Floating Gardens, +6, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
Requires Pesedjet
Requires a River
Requires Ethics
Requires Corn
360 (Double Production Speed with Stone) Shwedagon Paya, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
Birth Rate is increased by Current Rate
Requires Ethics
400 (Double Production Speed with Gold) Mount Athos, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
Double from Buildings
Requires Ethics
320
Obsolete with Academia Monasticism
Reqs Ethics
+50% Birth Rate in Cities with State First to Discover Founds OrthodoxyEthics

Feudalism
Obsoletes Terracotta Army
Enables Vassalage
Can Train Lancer
Can Construct Himeji Castle
1050 Turns (0/1050 ) Lancer (Heavy Cavalry Units)
10, 2
Immune to First Strikes
Doesn't Receive Defensive Bonuses
-25% City Strength
Flank attack against Catapult, Trebuchet
Requires Feudalism
Requires Horse
Requires Iron
125 Himeji Castle, +4, +2 (Great Statesman)
World Wonder (1 Allowed)
City defense increases culture output in all cities
+1 per level of every fully fortified unit in the city
Requires Feudalism
480
Obsolete with Machine Tools Vassalage
Reqs Feudalism
Lower Unit Support Costs
+1 from Farm, Orchard
+1 from Castle Politics
Obsoletes Apadana Palace
Enables Elective
Can Train Spy
Can Construct Administrative Center, Prambanan
750 Turns (0/750 ) Feudalism

Fortification
Obsoletes The Statue of Zeus
Can Train Trebuchet
Can Construct Castle, Krak des Chevaliers
900 Turns (0/900 ) Trebuchet (Siege Weapons)
4, 1
Cannot Capture Enemy Cities or Units
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (50% Chance)
Maximum 50% damage to enemy on attack
Causes Collateral Damage (max. 50%)
Immune to collateral damage from Siege Weapons
+75% City Attack
Can Bombard City Defenses (-12%/Turn)
Requires Fortification
Requires Machinery
125 Castle, +1
50% Defense (Except vs. Gunpowder-based Units)
-25% Damage to Defenses from Bombardment (Except vs. Gunpowder-based Units)
+1 with Vassalage
New Siege Weapons Receive +2 Experience Points
Required to Build Krak des Chevaliers
Requires Walls
Requires Fortification
110 (Double Production Speed with Stone) (Double Production Speed with Hegemony)
Obsolete with Urban Planning (Except defensive bonus) Krak des Chevaliers, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
Free Castle in Every City
Defeated city defenders retreat to your capital
Requires Castle
Requires Fortification
400 (Double Production Speed with Stone)
Obsolete with Combined Arms Fortification

Machinery
Can Build a Windmill
Can Build a Watermill
Can Train Crossbowman, Trebuchet
Can Construct The Grand Canal
975 Turns (0/975 ) Crossbowman (Archery Units)
6, 1
1 First Strike
+25% City Defense
+25% Hills Defense
+25% vs. Light Cavalry Units
+25% vs. Melee Units
Requires Machinery
Requires Iron
62 The Grand Canal, +2, +2 (Great Engineer)
World Wonder (1 Allowed)
Flat River Tiles: +2
Requires a River
Requires Machinery
400
Obsolete with Hydraulics Can Build a WindmillCan Build a WatermillSteel
Can Build a Lumbermill
Can Train Heavy Swordsman, Heavy Spearman
Can Construct Forge, Iron Pillar
750 Turns (0/750 ) Machinery

Alchemy
Obsoletes The Great Cothon
Can Train Heavy Galley
Can Construct Pharmacy, House of Wisdom
975 Turns (0/975 ) Heavy Galley (Naval Units)
5, 4
Cannot Enter Ocean, Cape (until Compass)
Can Withdraw from Combat (50% Chance)
+25% Coast Attack
Requires Alchemy
Requires Shipbuilding
75 Pharmacy
Can turn 1 Citizen into Scientist
+1 from Incense, Opium, Wine
Requires Alchemy
132 (Double Production Speed with Caste System) House of Wisdom, +8, +2 (Great Scientist)
World Wonder (1 Allowed)
Settling Great People also grants free technologies
Requires Library
Requires Alchemy
280
Obsolete with Optics Scholarship
Can Construct Cheomseongdae, University of Sankore
Can Build Research
750 Turns (0/750 ) Alchemy

Guilds
Obsoletes The Colossus
Can Train Cog
Can Construct Grocer, Monolithic Church, Saint Sophia's Cathedral
975 Turns (0/975 ) Cog (Naval Units)
5, 4
Cargo Space: 2
Cannot Enter Ocean, Cape (until Compass)
Can Withdraw from Combat (25% Chance)
Requires Guilds
Requires Shipbuilding
75 Grocer
+1 from Citrus, Dates, Banana, Olives, Spices
Requires Market
Requires Guilds
132 (Double Production Speed with Caste System) Monolithic Church, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+2 from Priest in All Cities
Requires Guilds
Requires Incense
320 (Double Production Speed with Stone)
Obsolete with Geology Saint Sophia's Cathedral, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
Free Skirmish promotion for Melee, Light Cavalry, and Heavy Cavalry units
Requires Guilds
Requires Fur
160
Obsolete with Statecraft Guilds

Civil Service
Obsoletes The Hanging Gardens
Can Train Heavy Swordsman
Can Construct Wat Preah Pisnulok, Khajuraho
1050 Turns (0/1050 ) Heavy Swordsman (Melee Units)
8, 1
+10% City Attack
Requires Civil Service
Requires Steel
Requires Copper or Iron
87 Wat Preah Pisnulok, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
All Buildings: +1
Requires Civil Service
480 (Double Production Speed with Stone)
Obsolete with Urban Planning Khajuraho, +4, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 Population in All Cities
+1 from Priest in All Cities
Requires Civil Service
480 (Double Production Speed with Marble)
Obsolete with Civil Liberties Ethics
Obsoletes The Oracle
Enables Monasticism
Can Construct Floating Gardens, Shwedagon Paya, Mount Athos
First to Discover Founds Orthodoxy
675 Turns (0/675 ) Civil Service

Theology
Obsoletes Tomb
Obsoletes The Temple of Artemis
Enables Theocracy
Can Train Religious Persecutor
Can Construct The Spiral Minaret, Dome of the Rock
First to Discover Founds Islam
900 Turns (0/900 ) Religious Persecutor
National Unit (3 Allowed)
2
Can remove non-state religions and associated buildings
Can Enter Jungle, Marsh, Rainforest
Requires Theology
75 The Spiral Minaret, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
All Buildings provide Religion Effect if State present
Requires Theology
480 (Double Production Speed with Stone)
Obsolete with Economics Dome of the Rock, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
+100% Extra Commerce for State Buildings
+1 Free Priest
Requires The Temple of Solomon
Requires Theology
80 Theocracy
Reqs Theology
+100% Religion Effects from State Buildings
+1 from Priest First to Discover Founds IslamTheology

Commune
Can Train Longbowman
Can Construct Armoury, Notre Dame, Old Synagogue
1125 Turns (0/1125 ) Longbowman (Archery Units)
6, 1
1 First Strike
Can Withdraw from Combat (30% Chance)
Causes Collateral Damage (max. 30%)
+25% Hills Strength
+25% Forest Attack
+25% Rainforest Attack
Requires Commune
75 Armoury
+50% Military Unit Production
Can be built by Great General
Requires Commune Notre Dame, +10, +2 (Great Artist)
World Wonder (1 Allowed)
Cities with State construct buildings +25% faster
Requires Commune
480 (Double Production Speed with Marble)
Obsolete with Nationalism Old Synagogue, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
+2 from Jewish religious buildings
Requires Commune
320 (Double Production Speed with Stone)
Obsolete with Social Services Guilds
Obsoletes The Colossus
Can Train Cog
Can Construct Grocer, Monolithic Church, Saint Sophia's Cathedral
975 Turns (0/975 ) Commune

Crop Rotation
Obsoletes Aqua Appia
Obsoletes Pyramid of the Sun
Workers Produce +50% from Chopping
Farms Spread Irrigation
Orchard: +1
1125 Turns (0/1125 ) + 1 for OrchardFarms Spread Irrigation Workers Produce 50% More Hammers from ChoppingCivil Service
Obsoletes The Hanging Gardens
Can Train Heavy Swordsman
Can Construct Wat Preah Pisnulok, Khajuraho
1050 Turns (0/1050 ) Crop Rotation

Paper
Obsoletes The Great Library
Lumbermill: +1
Can Construct Post Office, Silver Tree Fountain
1275 Turns (0/1275 ) Post Office, +2
+1 Trade Routes
Can turn 1 Citizen into Statesman
Required to Build News Press
Requires Paper
132 Silver Tree Fountain, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
Another great person is born whenever a Great General appears
Requires Paper
320 (Double Production Speed with Horse)
Obsolete with Geography + 1 for LumbermillPaper

Compass
Obsoletes The Great Lighthouse
Can Create Ocean Fishery
Enables on Arctic Coast
Can Train Galleass
Can Construct Wharf, Alamut Fortress, Gur-e-Amir
1125 Turns (0/1125 ) Wharf
+50% Trade Route Yield
Required to Build Trafalgar Square
Requires Harbor
Requires Access to Coast
Requires Compass
88 (Double Production Speed with Thalassocracy) Alamut Fortress, +4, +2 (Great Statesman)
World Wonder (1 Allowed)
New Espionage Units Receive +10 Experience Points
Requires Compass
320 (Double Production Speed with Stone)
Obsolete with Combined Arms Gur-e-Amir, +6, +2 (Great Artist)
World Wonder (1 Allowed)
City receives additional based on the plundered from captured cities
Requires Compass
Requires Gems
320
Obsolete with Sociology Can Create Ocean FisheryEnables Trade on Arctic CoastNavigation
Can Create Whaling Boats
Enables Thalassocracy
Can Construct Lighthouse, The Great Lighthouse, Moai Statues
375 Turns (0/375 ) Compass

Patronage
Obsoletes Arch
Obsoletes The Great Mausoleum
Obsoletes Nalanda University
Can Construct Coffee House, Santa Maria del Fiore
1200 Turns (0/1200 ) Coffee House, +2
+1 from Cocoa, Coffee, Tea, Tobacco
Requires Patronage
132 Santa Maria del Fiore, +6, +2 (Great Artist)
World Wonder (1 Allowed)
+100% Birth Rate
Requires Patronage
400 (Double Production Speed with Marble)
Obsolete with Representation Nobility
First to Discover Receives a Great General
Can Train Horse Archer, Camel Archer
825 Turns (0/825 ) Patronage

Education
Obsoletes Gondeshapur
Can Construct National College, La Mezquita
1200 Turns (0/1200 ) National College, +100%, +1 (Great Scientist)
National Wonder (1 Allowed)
Can turn 3 Citizens into Scientist
Requires Library
Requires Education
440 La Mezquita, +6, +2 (Great Scientist)
World Wonder (1 Allowed)
+2 Free Specialists
Requires Education
320
Obsolete with Scientific Method Education

Doctrine
Obsoletes The Pantheon
Can Construct Reliquary
Enables Fanaticism
Can Construct Great Adobe Mosque
First to Discover Founds Catholicism
1125 Turns (0/1125 ) Great Adobe Mosque, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
Can turn 2 Citizens into Priest
+1 on Desert and Semidesert
Requires Doctrine
Requires Ivory
480 (Double Production Speed with Stone)
Obsolete with Measurement Can Construct ReliquaryFanaticism
Reqs Doctrine
+2 Experience Points in Cities with State
+100% Extra Commerce for Buildings
No Non-State Spread
+1 per Non-State in a City
Buildings Do Not Expire
+1 from Priest First to Discover Founds CatholicismFeudalism
Obsoletes Terracotta Army
Enables Vassalage
Can Train Lancer
Can Construct Himeji Castle
1050 Turns (0/1050 ) Doctrine

Gunpowder
Obsoletes The Parthenon
Can Train Bombard, Galleass, Caravel, Galleon, Privateer, Frigate
Can Construct The Kremlin
1350 Turns (0/1350 ) Bombard (Siege Weapons)
5, 1
Cannot Capture Enemy Cities or Units
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (50% Chance)
Maximum 50% damage to enemy on attack
Causes Collateral Damage (max. 50%)
Immune to collateral damage from Siege Weapons
+50% City Attack
Can Bombard City Defenses (-12%/Turn)
Requires Gunpowder
Requires Copper or Iron
150 Galleass (Naval Units)
6, 4
Cannot Enter Ocean, Cape (until Compass)
Can Withdraw from Combat (25% Chance)
+50% Coast Strength
Requires Gunpowder
Requires Compass
Requires Copper or Iron
87 The Kremlin, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
25% Defense in All Cities
Free Morale promotion for civilian units
Requires Gunpowder
480 (Double Production Speed with Stone) Alchemy
Obsoletes The Great Cothon
Can Train Heavy Galley
Can Construct Pharmacy, House of Wisdom
975 Turns (0/975 ) Gunpowder

Companies
Obsoletes Flavian Amphitheatre
Reveals Coffee
Enables Regulated Trade
Can Train Pikeman
Can Construct Vijaya Stambha
1350 Turns (0/1350 ) Pikeman (Melee Units)
8, 1
+50% vs. Heavy Cavalry Units
+50% vs. Melee Units
Requires Companies
Requires Iron
100 Vijaya Stambha, +6, +2 (Great Engineer)
World Wonder (1 Allowed)
Free City Garrison I Promotion for Units Built in this City
+50% Great General Emergence
Requires Companies
400 (Double Production Speed with Stone)
Obsolete with Replaceable Parts Regulated Trade
Reqs Companies
+50% in Capital
+1 from Workshop, Plantation, Slave Plantation
Double Production Speed for Customs House Reveals CoffeeCompanies

Finance
Obsoletes Mint
Obsoletes Al Khazneh
Can Construct Bank, San Marco Basilica
1350 Turns (0/1350 ) Bank, +25%
Can turn 1 Citizen into Merchant
Required to Build Central Bank
Requires Finance
220 San Marco Basilica, +6, +2 (Great Merchant)
World Wonder (1 Allowed)
+1 per Specialist in All Cities
Requires Harbor
Requires Finance
400
Obsolete with Measurement Patronage
Obsoletes Arch
Obsoletes The Great Mausoleum
Obsoletes Nalanda University
Can Construct Coffee House, Santa Maria del Fiore
1200 Turns (0/1200 ) Finance

Cartography
Enables Map Trading
Can Train Explorer, Caravel
1500 Turns (0/1500 ) Explorer (Recon Units)
5, 2
Can Enter Desert, Tundra, Ice, Jungle, Marsh, Rainforest
Better Results from Tribal Villages
Ignores Terrain Movement Costs
Can Withdraw from Combat (20% Chance)
+25% Hills Attack
+50% Jungle Attack
+50% Forest Attack
+50% Rainforest Attack
+50% Taiga Attack
Starts with Disengage I, Reconnaissance
Requires Cartography
50 Caravel (Naval Units)
6, 6
Cargo Space: 1 (Carries Scouts, Explorers, Missionaries, Spies, Great People)
Can Explore Rival Territory
Can Withdraw from Combat (50% Chance)
Requires Cartography
Requires Gunpowder
75 Enables Map Trading Cartography

Humanities
Obsoletes Jetavanaramaya
Can Construct National Theatre, The Sistine Chapel, Saint Thomas Church
1500 Turns (0/1500 ) National Theatre, +6, +1 (Great Artist)
National Wonder (1 Allowed)
+2 per Culture Level
+1 per 10% Rate
Requires Theatre
Requires Humanities
220 The Sistine Chapel, +10, +2 (Great Artist)
World Wonder (1 Allowed)
+2 per Specialist in All Cities
+5 from All State Buildings
Requires Humanities
480 (Double Production Speed with Marble) Saint Thomas Church, +6, +2 (Great Artist)
World Wonder (1 Allowed)
+2 in All Cities
Requires Humanities
400 Doctrine
Obsoletes The Pantheon
Can Construct Reliquary
Enables Fanaticism
Can Construct Great Adobe Mosque
First to Discover Founds Catholicism
1125 Turns (0/1125 ) Humanities

Printing
Village: +1
Town: +1
Can Construct Manufactory, Porcelain Tower
1275 Turns (0/1275 ) Manufactory, +4, +25%
+50% Trade Route Yield
Can be built by Great Engineer
Requires Printing Porcelain Tower, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
+1 from Statesman in All Cities
No open borders required for trade
Requires Printing
480
Obsolete with Railroad + 1 for Village+ 1 for TownPaper
Obsoletes The Great Library
Lumbermill: +1
Can Construct Post Office, Silver Tree Fountain
1275 Turns (0/1275 ) Printing

Judiciary
Can Construct Constabulary, Topkapi Palace
1275 Turns (0/1275 ) Constabulary, +2, +25%
-25% War
+1 per 20% Rate
Requires Jail
Requires Judiciary
165 Topkapi Palace, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
Extra initial production in conquered cities
Requires Judiciary
480
Obsolete with Nationalism Judiciary

Firearms
Camp: +1
Can Train Arquebusier
Can Construct St. Basil's Cathedral
Enables Pinch
1800 Turns (0/1800 ) Arquebusier (Gunpowder Units)
10, 1
Requires Firearms
87 Pinch
+25% vs. Gunpowder Units St. Basil's Cathedral, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
All Buildings: +2
Requires Firearms
Requires Statecraft
640 (Double Production Speed with Stone)
Obsolete with Collectivism + 1 for CampFirearms

Logistics
Obsoletes Theodosian Walls
Can Construct Customs House, The Red Fort, Itsukushima Shrine
Enables Medic III
1950 Turns (0/1950 ) Medic III
Heals Units in Same Tile Extra 15% Damage/Turn
Heals Units in Adjacent Tiles Extra 15% Damage/Turn Customs House
+50% Foreign Trade Route Yield
Required to Build Container Terminal
Requires Harbor
Requires Access to Coast
Requires Logistics
198 (Double Production Speed with Regulated Trade) The Red Fort, +4, +2 (Great Engineer)
World Wonder (1 Allowed)
Enemies suffer +100% War Weariness
Requires Logistics
480 (Double Production Speed with Stone)
Obsolete with Ballistics Itsukushima Shrine, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 per Water tile in city radius
Requires Access to Coast
Requires Logistics
600
Obsolete with Electronics Compass
Obsoletes The Great Lighthouse
Can Create Ocean Fishery
Enables on Arctic Coast
Can Train Galleass
Can Construct Wharf, Alamut Fortress, Gur-e-Amir
1125 Turns (0/1125 ) Logistics

Exploration
Obsoletes Temple of Kukulkan
Enables Colonialism
Can Train Galleon, Privateer
Can Construct El Escorial
Required for the spread of Trading Company
1650 Turns (0/1650 ) Galleon (Naval Units)
8, 6
Cargo Space: 3
Can Withdraw from Combat (25% Chance)
Requires Exploration
Requires Gunpowder
100 Privateer (Naval Units)
10, 6
Hidden Nationality
Can Attack without Declaring War
Can Withdraw from Combat (50% Chance)
Starts with Sentry
Requires Exploration
Requires Gunpowder
Requires Copper or Iron
112 El Escorial, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
Provides for every acquired colony
+2 for every controlled Silver and Gold resource
Requires Exploration
560 (Double Production Speed with Silver)
Obsolete with Thermodynamics Colonialism
Reqs Exploration
-50% Colony Maintenance
+4 Experience For All Water Units
+1 from Slave Mine, Slave Plantation
+1 from Slave Mine, Slave Plantation
Can Capture Slaves Exploration

Optics
Obsoletes House of Wisdom
+1 Sight Across Water
Enables on Ocean
Can Construct Torre de Belem
Enables Sentry
1800 Turns (0/1800 ) Sentry
+1 Visibility Range Torre de Belem, +6, +2 (Great Merchant)
World Wonder (1 Allowed)
+100% Foreign Trade Route Yield
Requires Access to Coast
Requires Optics
400
Obsolete with Engine Enables Trade on Ocean+1 Sight Across Water Optics

Academia
Obsoletes School
Obsoletes Mount Athos
Can Construct University, Blue Mosque, Oxford University
First to Discover Founds Protestantism
1950 Turns (0/1950 ) University, +3, +25%
Requires Library
Requires Academia
220 Blue Mosque, +6, +2 (Great Artist)
World Wonder (1 Allowed)
At most 1 from temporary effects
Requires Academia
600 (Double Production Speed with Marble)
Obsolete with Consumerism Oxford University, +6, +2 (Great Scientist)
World Wonder (1 Allowed)
+1 per Specialist in All Cities
Requires Academia
480
Obsolete with Psychology First to Discover Founds ProtestantismAcademia

Statecraft
Obsoletes Court
Obsoletes Prambanan
Obsoletes Saint Sophia's Cathedral
Enables Bureaucracy
Can Construct Civic Square, Forbidden Palace, Potala Palace, St. Basil's Cathedral
1800 Turns (0/1800 ) Civic Square, +2, +25%
+25% Birth Rate
Can turn 1 Citizen into Statesman
+1 with Nationhood
Requires Obelisk
Requires Statecraft
165 Forbidden Palace, +6, +2 (Great Statesman)
World Wonder (1 Allowed)
Civic Upkeep Reduced by 33%
Requires Statecraft
640 Potala Palace, +8, +2 (Great Prophet)
World Wonder (1 Allowed)
+1 per Hill in city radius
Requires Statecraft
400
Obsolete with Electricity Bureaucracy
Reqs Statecraft
+35%, +35% in Capital Cartography
Enables Map Trading
Can Train Explorer, Caravel
1500 Turns (0/1500 ) Statecraft

Heritage
Enables Isolationism
Can Construct Museum, Versailles
1650 Turns (0/1650 ) Museum, +4, +50%
+20% Birth Rate per Culture Level
Can be built by Great Artist
Requires Heritage Versailles, +8, +2 (Great Statesman)
World Wonder (1 Allowed)
Free Estate in Every City
+2 Free Statesman
Requires Heritage
640 (Double Production Speed with Stone) Isolationism
Reqs Heritage
No Foreign Trade Routes ()
+25% in All Cities
+1 per Specialist Humanities
Obsoletes Jetavanaramaya
Can Construct National Theatre, The Sistine Chapel, Saint Thomas Church
1500 Turns (0/1500 ) Heritage

Combined Arms
Obsoletes The Great Wall
Obsoletes Krak des Chevaliers
Obsoletes Alamut Fortress
Can Train Pistolier, Camel Gunner, Cuirassier
Can Construct Harmandir Sahib
Enables Commando
2400 Turns (0/2400 ) Pistolier (Light Cavalry Units)
7, 2
Immune to First Strikes
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (30% Chance)
+30% Open Terrain Strength
Flank attack against Catapult, Trebuchet, Bombard, Cannon
Requires Combined Arms
Requires Horse
100 Camel Gunner (Light Cavalry Units)
6, 2
Can Enter Desert
Immune to First Strikes
Doesn't Receive Defensive Bonuses
Can Withdraw from Combat (30% Chance)
+30% Open Terrain Strength
+25% Desert Strength
+25% Semidesert Strength
+25% vs. Heavy Cavalry Units
Flank attack against Catapult, Trebuchet, Bombard, Cannon
Starts with Desert Adaptation
Requires Combined Arms
Requires Camel
100 Cuirassier (Heavy Cavalry Units)
12, 2
Immune to First Strikes
Doesn't Receive Defensive Bonuses
-25% City Strength
Requires Combined Arms
Requires Horse
Requires Iron
150 Commando
Can Use Enemy Roads Harmandir Sahib, +6, +2 (Great Prophet)
World Wonder (1 Allowed)
All units built in cities with state religion receive +2 experience
Requires Combined Arms
640 (Double Production Speed with Gold) Statecraft
Obsoletes Court
Obsoletes Prambanan
Obsoletes Saint Sophia's Cathedral
Enables Bureaucracy
Can Construct Civic Square, Forbidden Palace, Potala Palace, St. Basil's Cathedral
1800 Turns (0/1800 ) Combined Arms

Economics
Obsoletes The Spiral Minaret
First to Discover Receives a Great Merchant
Enables Free Enterprise
Can Construct Stock Exchange, Trading Company, The Bourse
2550 Turns (0/2550 ) Stock Exchange, +4, +50%
Can be built by Great Merchant
Requires Economics Trading Company, +1 (Great Merchant)
National Wonder (1 Allowed)
+1 per City with
+2 Trade Routes
+1 from Spices
+1 from Coffee, Sugar, Tea, Tobacco
Requires at least 1 Colony
Requires Economics
440 The Bourse, +4, +2 (Great Merchant)
World Wonder (1 Allowed)
+2 Free Merchant
Requires Economics
480 Free Enterprise
Reqs Economics
+50% Corporation Commerce
+50% from Trade Routes ()
Double slots for Merchant Economics

Geography
Obsoletes Silver Tree Fountain
+1 Trade Routes per City
Can Train Frigate
Can Construct Image of the World Square
2250 Turns (0/2250 ) Frigate (Naval Units)
12, 7
Can Withdraw from Combat (25% Chance)
Requires Geography
Requires Gunpowder
Requires Iron
125 Image of the World Square, +8, +2 (Great Artist)
World Wonder (1 Allowed)
+1 trade route per culture level
Requires Geography
600
Obsolete with Geopolitics +1 Trade Route per City Geography

Scientific Method
Obsoletes La Mezquita
Obsoletes University of Sankore
Obsoletes Holy Site
Obsoletes Sanctuary
First to Discover Receives a Great Scientist
Enables Secularism
2550 Turns (0/2550 ) Obsolets Holy SiteObsolets Holy SiteObsolets SanctuaryObsolets SanctuarySecularism
Reqs Scientific Method
No State
All Buildings provide Religion Effect
+10% in All Cities
Double slots for Scientist Gunpowder
Obsoletes The Parthenon
Can Train Bombard, Galleass, Caravel, Galleon, Privateer, Frigate
Can Construct The Kremlin
1350 Turns (0/1350 ) Scientific Method