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Subterranean Colonization

Tier 1 society technology · New Worlds
SocietyTier 1New Worlds

Subterranean Colonization is a tier 1 society technology (New Worlds) in Stellaris 4.5.2. Its base cost is 1,250 research. It needs New Worlds Protocol. It unlocks Deep Sinkhole. Console: research_technology tech_deep_sinkhole.

Subterranean ColonizationNew Worlds· tier 11,250
Base cost
1,250
Area
Society
Tier
1
Draw weight
95
Path from start
2 techs, 1,250 research
ID
tech_deep_sinkhole

What Subterranean Colonization unlocks

Everything in the game files that lists this technology as a prerequisite; “condition” marks objects that check for it in their conditions instead.

Deposit · 1
  • Deep Sinkhole

How to get Subterranean Colonization

Research in Stellaris is drawn: each area offers 3 cards at a time, weighted by each technology's draw weight (here 95) and its weight modifiers.

The whole research path: 2 technologies, 1,250 base research with this one
  1. Space Explorationstarting tech
  2. New Worlds Protocolstarting tech
Conditions (potential)
  • Not: Nomadic empire

In the game

Many planets exhibit extensive subsurface voids. Subterranean exploration, exploitation, and construction techniques can greatly increase the habitable area of some worlds.

Console command

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

research_technology tech_deep_sinkhole
Draw weight script, as in common/technology/00_soc_tech.txt
modifier = {
	factor = 2
}
modifier = {
	factor = 1.25
	has_tradition = tr_expansion_adopt
}
modifier = {
	factor = 4
	has_ascension_perk = ap_mastery_of_nature
}
modifier = {
	factor = 0
	NOT = {
		any_owned_planet = {
			has_deposit = d_deep_sinkhole
		}
	}
}
modifier = {
	factor = 0
	num_owned_planets < 2
}

Subterranean Colonization: questions

How do I get Subterranean Colonization in Stellaris?

Research New Worlds Protocol first (2 technologies in the whole chain); then Subterranean Colonization can be drawn as one of the 3 society research options. It also has conditions (see Requirements on this page).

What does Subterranean Colonization do?

It unlocks Deep Sinkhole (deposit).

What is the ID of Subterranean Colonization?

The technology's ID is tech_deep_sinkhole. To get it with the console: research_technology tech_deep_sinkhole (Stellaris 4.5.2).

How much does Subterranean Colonization cost?

1,250 society research before modifiers. In game the cost grows with empire size (+0.2% per point above the base, common/defines) and the galaxy's tech cost setting.

Source: common/technology/00_soc_tech.txt and localisation/english, Stellaris Cygnus v4.5.2 (9776). Base numbers before empire-size and difficulty modifiers.

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