Modern Civs Codex

I'll be structuring the guide in this manner.

Guideland (The name of the civ)
--
Legacy challenge (What legacy you need to complete with this civ, to unlock a challenge for extra account exp )
--
Progenitor. (The civs and leader choices that unlock this as an option when advancing to the next age.)
--
Unlock. (If not playing as any of the Progenitors, doing one of these will allow you to chose this civ anyways.)
--
Picture of the main bonuses. (For easier referencing)
--
Picture of tradition tree. (For visual reference)
--
Tradition 1
-Passive- +1 readability

Tradition 1M
-Policy- +1 Like.

(Traditions will be numbered, from left to right, top to bottom. M will be used to indicate the mastery for this tradition, EX Tradition 2M will be the second tradition's mastery. -Passive- and -Policy- Will be used to signify if something is a passive ability or a policy that needs to be slotted into your government.)

V1.1 Added Antiquity civ progenitors.

Economic Legacy

Progenitor Civs
Rome
Shawnee
Normans

Progenitor leaders
Benjamin Franklin
Harriet Tubman
Tecumesh

Unlock
Have three distant land settlements in either plains or grasslands.



Tradition 1
-Adds Steel Mill unique building.
-Policy- +5 gold in settlements for every resource assigned to them.

Tradition 1M
-Passive- +25% gold towards purchasing prospectors.

Tradition 2
-Adds Railyard Unique building.
-Policy- +2 influence in settlements for every resource assigned to them.

Tradition 2M
-Passive- +2 Production on Resources.
-Passive- +1 settlement limit.

Tradition 3
-Passive- Units receive +3 combat strength for having more then one adjacent enemy unit.
-Unlocks Statue of liberty wonder, +6 happiness, spawns 4 migrants, must be placed on coast adjacent to land.

Tradition 3M
-Passive- +25% production when training military units when fighting a war in which your war support is higher then your opponent.
-Policy- +25 gold and +5 influence for every trade route.

Cultural Legacy

Progenitor Civs
Amina
Abbasids
Songhai

Progenitor leaders
Amina

Unlock
Have two settlements with their city center adjacent to a lake



Tradition 1
-Adds Kabaka's Lake unique improvement.
-Passive- +2 culture and food on lakes and navigable rivers.

Tradition 1M
-Passive- +1 movement for embarked units.
-Policy- +3 happiness in settlements for each friendly settlement within 6 tiles.
-Unlocks Muzibu Azaala Mpanga Wonder, +4 food. +2 food on all lake tiles, +2 culture and happiness on lake tiles in this settlement, must be place adjacent to a lake.

Tradition 2
-Passive- +50% yields and healing from pillaging buildings.

Tradition 2M
-Passive- Pillaging grants experience to friendly commander when within their command radius.
-Policy- +6 Combat strength when units are adjacent to a lake.

Tradition 3
-Passive- +1 culture and happiness on quarters adjacent to lakes and navigable rivers.

Tradition 3M
-Passive- Settlements adjacent to lakes gain +1 population.
-Policy- All buildings gain adjacency from lakes.

Militaristic Legacy

Progenitor Civs
Rome
Normans

Progenitor leaders
Lafayette
Napoleon, Emperor
Napoleon, Revolutionary

Unlock
Improve three wine



Tradition 1
-Adds Salon unique building.
-Policy- Constructing a building grants culture equal to 25% of it's production cost.

Tradition 1M
-Passive- +2 culture on happiness buildings and wonders.

Tradition 2
-Adds Jardin a la Francaise unique building.
-Policy- When you defeat an enemy unit, gain culture equal to 25% of it's combat strength.

Tradition 2M
-Passive- +2 happiness on military buildings and wonders.
-Passive- +1 settlement limit.

Tradition 3
-Passive- Commanders immediately gain a promotion, new commanders start with a promotion.

Tradition 3M
-Passive- +2 combat strength for each adjacent friendly military unit.
-Policy- Infantry units gain the swift ability, allowing them to ignore zone of control.

Tradition 4
-Passive- +2 culture for every social policy slotted in the government.
-Unlock Eiffel tower wonder. +5 culture, +2 culture and happiness on quarters in this city. Must be placed adjacent to a district.

Militaristic Legacy

Progenitor Civs
Khmer
Hawai'i
Majapahit

Progenitor leaders
Himiko
Himiko, HIgh shaman

Unlock
Improve three tea



Tradition 1
-Adds Jukogyo unique building.
-Passive- +50% production towards constructing military and production buildings.
-Policy- when you train an aircraft or naval unit, receive science equal to 25% of it's production cost.
-Unlocks Dogo Onsen wonder. +4 happiness, this settlement gain a population every time you enter a celebration, must be placed adjacent to coast.

Tradition 2
-Adds Ginko unique building.
-Passive- +50% production towards construing science buildings.
-Policy- +1 production and science from specialists.

Tradition 3
-Passive- +25% production towards training naval and aircraft units.
-Policy- Military buildings receive a production adjacency from coast.

Tradition 4
-Passive- +3 combat strength for units on or adjacent to coast.
-Policy- +6 combat strength for aircraft attacking an enemy unit engaged by a naval unit.

Cultural Legacy

Progenitor Civs
Maya
Shawnee
Inca
Spain

Progenitor leaders
Isabella
Tecumseh

Unlock
Have three distant land settlements in desert or tropical



Tradition 1
-Adds Catedral unique building.
-Adds Poral de mercederes unique building.
-Policy- +2 happiness in settlements for every tradition slotted into the government.

Tradition 1M
-Passive- Gain 1 social policy slot.
-Unlock Palacio de Bellas Artes wonder. +5 culture, +2 happiness on great works, +10% happiness in this city, has 3 artifact slots, must be placed adjacent to a district.

Tradition 2
-Passive- Unlock an additional celebration effect, +30% science for 10 turns.
-Policy- +1 science in cities for every tradition slotted into the government.

Tradition 3
-Passive- Unlock an additional celebration effect, +40% production towards training military units for 10 turns.
-Policy- +1 combat strength for land and navel units in friendly territory for every tradition slotted into the government.

Tradition 4
-Passive- Unlock an additional celebration effect, +50% influence towards initiating all diplomatic action for 10 turn.
-Policy- +1 culture in towns for every tradition slotted into the government.

Economic Legacy

Progenitor Civs
Persia
Abbasids

Progenitor leaders
Chola

Unlock
Improve three salt
Have at least four trade routes with unique civilizations.



Tradition 1
-Passive- +1 gold on farms
-Policy- +1 food and gold on farms for each adjacent plantation, and on plantation for each adjacent farm.
-Adds Stepwell unique improvement.

Tradition 2
-Passive- +1 happiness on farms
-Policy- +2 gold on quarters with walls.
-Passive- +1 settlement limit.

Tradition 3
-Passive- +25% gold towards purchasing infantry units.
-Policy- +3 combat strength for all units
-Unlock Red Fort wonder. +4 gold, acts as a fortified district that must be conquered, +50 HP to this tile and all city centers, musts be adjacent to a district.

Tradition 4
-Passive- You can purchase Wonders with gold.
-Policy- +25% gold towards purchasing anything.

Militaristic Legacy

Progenitor Civs
Rome

Progenitor leaders
Friedrich
Friedrich, baroque

Unlock
Have three army commanders
Improve three Niter



Tradition 1
-Passive- +1 production adjacency to all buildings on navigable rivers.

Tradition 1M
-Passive- +2 science on resources.
-Policy- +1 production in cities for every resource assigned to them.

Tradition 2
-Passive- You may establish and retain trade routes with civilizations that you are at war with.
-Passive- +1 settlement limit

Tradition 2M
-Passive- +25% trade yield in cities connected with the Staatseisenbahn
-Policy- +10% culture in cities not founded by you.

Tradition 3
-Policy- +10% production in all cities while at war.
-Unlock Brandenburg Gate Wonder, +6 production, this settlement suffers no happiness penalties from war weariness, +5 happiness in conquered settlements, must be placed adjacent to a district.
-Passive- +25% relationship change from diplomatic actions.

Tradition 4
-Passive- Cavalry units gain the skirmish ability, +50% combat strength from flanking.
-Policy- +3 combat strength for units within the command radius of a commander with a commendation.

Economic Legacy

Progenitor Civs
Han
Ming
Mongolia

Progenitor leaders
None

Unlock
Improve three jade



Tradition 1
-Passive- +1 combat strength for all units for every civilization and city-state you have a trade route with.
-Policy- +25% growth rate in towns with a resource assigned to them.

Tradition 2
-Adds Qianzhuang unique building.
-Passive- +2 culture from imported resources.
-Policy- +50% trade income.
-Passive- +1 settlement limit.

Tradition 3
-Adds Shiguan unique building.
-Passive- +2 food from resources assigned to cities.
-Policy- +5% production towards training land units.

Tradition 4
-Passive- +2 happiness from resources assigned to cities.
-Policy- +3 combat strength against land units.
-Unlocks Chengde Mountain Resort wonder, +6 gold, +5% culture for every civilization with which you have a trade route, must be placed adjacent to a mountain.

Scientific Legacy

Progenitor Civs
Greece
Mongolia

Progenitor leaders
Catherine

Unlock
Have three settlements on Tundra



Tradition 1
-Adds Obshchina unique improvement.
-Passive- +1 food on farms in towns.

Tradition 1M
-Passive- +1 produciton on farms in towns in tundra.
-Policy- +15% production and -15% growth in cities.

Tradition 2
-Passive- +1 gold on districts in cities.
-Unlocks Hermitage wonder. +4 culture, +10% culture in cities that have a great work on display, has 3 artifact slots, must be placed on tundra.

Tradition 2M
-Passive- +1 culture on districts in cities in tundra.
-Policy- +15% science and -15% culture in cities.
-Passive- +1 settlement limit.

Tradition 3
-Passive- Your units are immune to damage from blizzards, enemy units in your territory take double damage from blizzards.
-Policy- +5 combat strength for units in Tundra

Tradition 3M
-Passive- +1% total culture for every city. or +2% if the city is in Tundra.

Cultural Legacy

Progenitor Civs
Khmer
Chola

Progenitor leaders
None

Unlock
Have four temples
Improve three ivory



Tradition 1
-Adds Bang unique improvement.
-Passive- +2 culture for every civilization relationship above friendly status.
-Policy- +2 influence from gold buildings.

Tradition 1M
-Passive- +2 Influence for every civilization relationship above friendly status.
-Policy- +2 happiness in cities for each city-state you are suzerain of.

Tradition 2
-Passive- Chang Beun gain +6 combat strength in or adjacent to city-states you are suzerain of.
-Policy- +20% influence towards initiating diplomatic actions with city-states.

Tradition 2M
-Passive- +3 Culture on the Palace for every City-State you are Suzerain of.
-Policy- +5 gold for each allied city-state
-Unlock Doi Suthep Wonder. +4 influence. +5 Culture and gold for every city-state you are suzerain of, must be placed on rough terrain.

Tradition 3
-Passive- +2 culture for every active diplomatic action with another civilization.

Tradition 3M
-Passive- +5 Culture and +2 gold for every trade route with another civilization.