
Cloning is a tradition tree opened by an ascension perk in Stellaris 4.5.2 with 5 traditions. Adopting it gives Agenda: Replication Initiative. Finishing it gives +1 Ascension Perks Unlocked. Traditions: Evolutionary Extrapolation, Somatic Synthesization, Flexible Tradition I, Flexible Tradition III and Flexible Tradition II. DLC: BioGenesis.
Adoption bonus

Cloning Traditions

Another version — when Country flag: clone_army_full_potential
- Clone Vats produce an additional +1.5 Monthly Organic Pop Growth, with a corresponding increase in Upkeep. Clone Soldier Pops sustained by Clone Vats: +$@clones_sustained_low|0$
The 5 traditions
In the order they open: a tradition needs the ones named under it (has_tradition in its possible block).

Evolutionary Extrapolation
- +15%Research Speed (Biology)
- -50%Clone Vats Upkeep

Somatic Synthesization
- +4Organic Species Modification Points
- +2Organic Species Trait Picks
- -50%Modify Species Special Project Cost
As Clone Synthesization — when Country flag: clone_army_full_potential
- +4Organic Species Modification Points
- +2Organic Species Trait Picks
- -50%Modify Species Special Project Cost

Flexible Tradition I
- This Flexible Tradition is determined by the Approach selected during Stage I of the Biomorphosis Situation: - Purity: Heightened Attributes - Cloning: Genomic Growth - Mutation: Environmental Integration
As Heightened Attributes — when Wilderness empire
- -25%Empire Size from Districts
- -25%Empire Size from Colonies
As Genomic Growth — when Country flag: genetic_ascension_stage_1_cloning; Not: Country flag: clone_army_full_potential
- -10%Pop Upkeep
- -10%Pop Amenities Usage
As Environmental Integration — when Not: Is mutation authority (Country flag: bio_mutation); Country flag: genetic_ascension_stage_1_mutation
- +0.5Habitability Ceil Uncapped
- The Founder Species' current Habitability Trait is replaced with Mutagenic Habitability Species with Mutagenic Habitability can reach 175% Habitability, granting the following for every 10% Habitability above 100%: - Job Efficiency: $@auto_adapted_production|2%$ - Pop Housing Usage: $@auto_adapted_housing|2%$ - Pop Amenities Usage: $@auto_adapted_amenities|%2$
As Empowered Environmental Integration — when Country flag: bio_mutation; Country flag: genetic_ascension_stage_1_mutation
- +1.25Habitability Ceil Uncapped
- The Founder Species' current Habitability Trait is replaced with Mutagenic Habitability Organic Species can reach 250% Habitability, granting the following for every 10% Habitability above 100%: - Job Efficiency: $@auto_adapted_production|2%$ - Pop Housing Usage: $@auto_adapted_housing|2%$ - Pop Amenities Usage: $@auto_adapted_amenities|%2$
As Environmental Integration — when Not: Is mutation authority (Country flag: bio_mutation); Origin: Evolutionary Predators
- +0.5Habitability Ceil Uncapped
- The Founder Species' current Habitability Trait is replaced with Mutagenic Habitability Species with Mutagenic Habitability can reach 175% Habitability, granting the following for every 10% Habitability above 100%: - Job Efficiency: $@auto_adapted_production|2%$ - Pop Housing Usage: $@auto_adapted_housing|2%$ - Pop Amenities Usage: $@auto_adapted_amenities|%2$
As Empowered Environmental Integration — when Country flag: bio_mutation; Origin: Evolutionary Predators
- +1.25Habitability Ceil Uncapped
- The Founder Species' current Habitability Trait is replaced with Mutagenic Habitability Organic Species can reach 250% Habitability, granting the following for every 10% Habitability above 100%: - Job Efficiency: $@auto_adapted_production|2%$ - Pop Housing Usage: $@auto_adapted_housing|2%$ - Pop Amenities Usage: $@auto_adapted_amenities|%2$

Flexible Tradition III
- This Flexible Tradition is determined by the Approach selected during Stage III of the Biomorphosis Situation: - Purity: Imperfection Remediation - Cloning: Artificial Population - Mutation: Nucleotide Isolation
As Imperfection Remediation — when Country flag: genetic_ascension_stage_3_purity; Not: Xenophile; Not: Wilderness empire
- +25Sub-Species Pops Integrated Per Month
- +33%Pop Purge Speed
- -10%Empire Size from Pops
As Imperfection Remediation — when Country flag: genetic_ascension_stage_3_purity; Xenophile
- +50Sub-Species Pops Integrated Per Month
- -10%Empire Size from Pops
As Artificial Population — when Country flag: genetic_ascension_stage_3_cloning; Not: Country flag: clone_army_full_potential
- +50%Governing Ethics Attraction
As Artificial Population — when Country flag: clone_army_full_potential
- +50%Governing Ethics Attraction
As Nucleotide Isolation — when Origin: Evolutionary Predators
- Adaptive Evolution Situation Monthly Progress: +25% Gain access to Leviathan Traits via the Adaptive Evolution Situation

Flexible Tradition II
- This Flexible Tradition is determined by the Approach selected during Stage II of the Biomorphosis Situation: - Purity: Optimized Neurology - Cloning: Biochemical Composure - Mutation: Somatic Subversiveness
As Optimized Neurology — when Any of (Country flag: genetic_ascension_stage_2_purity; Wilderness empire)
- +1Leader Starting Traits
- -25%Leader Starting Age
- -1Leader Maximum Negative Traits
As Somatic Subversiveness — when Country flag: genetic_ascension_stage_2_mutation
- +1Effective Leader Skill Level
- +10%Species Leader Exp Gain
- +10%Leader Lifespan
As Somatic Subversiveness — when Origin: Evolutionary Predators
- +1Effective Leader Skill Level
- +10%Species Leader Exp Gain
- +10%Leader Lifespan
Completion bonus

Cloning Traditions Finished
- +1Ascension Perks Unlocked
Another version — when Country flag: clone_army_full_potential
- +1Ascension Perks Unlocked
Who can pick Cloning
Read from the tree's potential block; our words where the game has no text.
- DLC: biogenesis
- Not: Machine Intelligence
- Not: Is entropy drinkers empire
- None of
- Has cybernetic ascension
- Has psionic ascension
- Has synthetic ascension
- Is natural design empire
- Is individual machine
- Has purity ascension
- Any of
- Country flag: Adopt Tradition Tree: Purity
- Origin: Wilderness
- Any of
- Has mutation ascension
- Any of
- Country flag: Adopt Tradition Tree: Mutation
- Origin: Evolutionary Predators
- Any of
Console command
Typed in the game's console (the ~ key) as a script effect; achievements are off for that game.
effect add_tradition = tr_cloning_adoptEach tradition's ID is in its card's address on this page and in /raw/traditions.json.
Cloning traditions: questions
What does the Cloning tradition tree do?
Cloning is a tradition tree opened by an ascension perk in Stellaris 4.5.2 with 5 traditions. Adopting it gives Agenda: Replication Initiative. Finishing it gives +1 Ascension Perks Unlocked. Traditions: Evolutionary Extrapolation, Somatic Synthesization, Flexible Tradition I, Flexible Tradition III and Flexible Tradition II. DLC: BioGenesis.
Which Cloning tradition comes first?
Evolutionary Extrapolation and Somatic Synthesization 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/01_cloning.txt, common/traditions and localisation/english, Stellaris Cygnus v4.5.2 (9776). Layout template in the game: tree_12_12.


