Expansion traditions

Tradition tree

5 traditions

Expansion is a tradition tree in Stellaris 4.5.2 with 5 traditions. Adopting it gives +25% Colony Development Speed (Not: Wilderness empire; Not: Nomadic empire), -20% Habitat Alloys Upkeep (Not: Wilderness empire; Not: Nomadic empire), -20% Habitat Districts Alloys Upkeep (Not: Wilderness empire; Not: Nomadic empire) and 6 more. Finishing it gives +1 Max Districts (Non-artificial planets only) and +1 Ascension Perks Unlocked. Traditions: Reach for the Stars, Colonization Fever, Courier Network, Galactic Ambition and A New Life.

Adoption bonus

When the tree is adopted

Expansion Traditions

If Not: Wilderness empire; Not: Nomadic empire:

+25%Colony Development Speed
-20%Habitat Alloys Upkeep
-20%Habitat Districts Alloys Upkeep

If Wilderness empire; Not: Nomadic empire:

+25%Terraforming Speed
-20%Station Upkeep

If Nomadic empire:

+25%Megastructure Build Speed
-20%Waystation Upkeep
-20%Waystation Module Upkeep

Unlocks agendaSuperior Infrastructure

The 5 traditions

In the order they open: a tradition needs the ones named under it (has_tradition in its possible block).

Reach for the Stars

If Not: Nomadic empire:

-10%Starbase Influence Cost

If Nomadic empire:

-10%Waystation Build Cost
-10%Waystation Upgrade Cost

Also called Signal Relay Stations, Amoebic Synapses for some empires.

Colonization Fever

+1Urban Districts when establishing Colonies
+25%Colony Development Speed

As Arkship Armada — when Nomadic empire

-25%Empire Size from Colonies
-5%Arkship Build Cost
-10%Arkship Module & System Cost

As Mind of Many Worlds — when Wilderness empire; Not: Nomadic empire

Add a random District upon colonizing a new world.

Also called Automated Colonization Units, One Mind for some empires.

Courier Network

Needs Reach for the Stars

If Not: Nomadic empire:

-15%Empire Size from Systems
-15%Empire Size from Colonies

If Nomadic empire:

+25%Waystation Stockpile Capacity
+25%Waystation Resource Transfer Rate

Also called Extensible Software, Limited Autonomy, Autonomous Outposts for some empires.

Galactic Ambition

Needs Reach for the Stars

If Not: Nomadic empire:

-20%Station Upkeep

If Nomadic empire:

+50%Station Capacity

Also called Cogs in the Machine, Blot out the Stars for some empires.

A New Life

Needs Colonization Fever

+10%Pop Growth (or Assembly) Speed

Also called Hotjoin Protocols, Spawning Frenzy, Rampant Growth for some empires.

Completion bonus

When all traditions are taken

Expansion Traditions Finished

+1Max Districts (Non-artificial planets only)
+1Ascension Perks Unlocked

Another version — when Has void dweller origin (Any of (Origin: Void Dwellers; Origin: Voidforged))

+1Habitat Max Districts
+1Ascension Perks Unlocked

Another version — when Nomadic empire

+1Max Districts (Artificial colonies only)
+1Ascension Perks Unlocked

In the game

Regular empire (not gestalt); Not: Has void dweller origin; Not: Nomadic empire

We must expand our civilization to new systems and planets, or risk eventual extinction.

Hive Mind

There are only two possible states for the Collective: growth, or death.

Machine Intelligence

Growth projections indicate we will soon exceed the maximum storage capacity of our home. We must expand, or stagnate.

Not: Gestalt Consciousness; Has void dweller origin

We must expand our civilization to new systems and habitats, or risk eventual extinction.

Not: Gestalt Consciousness; Nomadic empire

By building new Arkships and expanding our Waylines our civilization shall roam the stars forever.

Console command

Typed in the game's console (the ~ key) as a script effect; achievements are off for that game.

effect add_tradition = tr_expansion_adopt

Each tradition's ID is in its card's address on this page and in /raw/traditions.json.

Expansion traditions: questions

What does the Expansion tradition tree do?

Which Expansion tradition comes first?

Reach for the Stars and Colonization Fever need no other tradition of the tree; the rest need the ones named under each.

How many tradition trees can I adopt?

Up to 7 (TRADITION_CATEGORIES_MAX, Stellaris 4.5.2); every finished tree's completion bonus also gives an ascension perk slot.

Source: common/tradition_categories/00_expansion.txt, common/traditions and localisation/english, Stellaris Cygnus v4.5.2 (9776). Layout template in the game: tree_12_11.