Steam Workshop::Stellaris Mechanics Mods

SUM - Balanced Points (Traits, Ethics, Etc.)

Created by Sumrex

Current supported version: 2.1.0 Current mod version: 1.0.1 This is a mod for those of us who have mods which add traits, ethos, or civics to Stellaris. It's designed to allow more customization while also keeping things balanced and reasonable. Ethos: 3 C...

Additional Traits

Created by Granhyt

Stellaris is a game with infinite possibilities and an infinite potential. So why not start by adding more species traits to your game, for a more diverse galaxy ? This allow you different options and more varied handicaps .. and advantages. One of the obj...

All Enigmatic Technologies (Clean)

Created by jonjowett

I am no longer maintaining my Stellaris mods and, as a result, they are probably incompatible with the latest release. If you want to use my mods as the basis for your own, you are very welcome to do so. --- This micro-mod grants you the ability to researc...

Auto Auto-Explore

Created by folk

Auto-auto-explore gives all empires the "Automated Exploration Protocols" tech at game start I thought it was sooo silly that I had to wait until late game just to essentially offload and ignore one of the most monotonous aspects of Stellaris gameplay, so ...

Dedicated Worlds

Created by LastLeviathan

Have you ever wanted to focus your planets? Create an Agri World to feed your people, a Fortress World on the edge of your space or a planet-wide city? This mod provides several types of dedicated paths for colonies, meant to give each planet a unique feel...

Event Bugfixes

Created by ECHO

Stellaris v2.6.1 Default event options Some event descriptions and respond options differ based on the government. When using a government mod these events don't have a valid response option which breaks event chains. This mod adds a default option to prev...

Expanded Stellaris Ascension Perks

Created by Private Feelings

Stellaris 4.0.* /// Intro> This mod adds 45 new Ascension Perks to the game. Designate your planets as Forge Worlds or Garden Worlds, find new deposits and unlock special rare technologies to be discovered. Specialize your empire based on ideology and much...

[Outdated] Extended Traits

Created by r-M

This mod adds over 20 additional species traits to select from, as well as 6 additional ruler and governor traits that your Empire rulers can spawn with. Featured in SirTristan's Stellaris Mod Spotlight #3. Compatibility This mod should be compatible with ...

Extra Events

Created by Ceph

About The Mod Extra Events is a mod that adds 63 brand new top quality events to increase the fun you have on Stellaris and also helps keep the mid-late game interesting. Now translated in every language allowed by Stellaris! Extra Events 1.9.11 for Stella...

Gigastructural Engineering & More (4.0)

Created by Elowiny

https://i.imgur.com/nx8tZI4.png Do you like megastructures? I sure do! This mod aims to expand on the concept of megastructures by adding more megastructures you can build, with a wide range of effects, and sizes ranging from large space stations to system...

Government Variety Pack (for v3.0)

Created by LittleRaskol

A grab bag of new civics and government types. This is a backup/legacy version for Stellaris v.3.0.* (D!ck). The current version can be found here: Government Variety Pack (Current) New Civics A total of 72 new civics, broken down into 7 origins, 20 normal...

Guilli's Planet Modifiers and Features

Created by Guilliman

https://i.imgur.com/v0c7ibh.png Guilli's Planet Modifiers For version 4.0+ of the game. For a legacy 3.14 version, see here: https://steamcommunity.com/sharedfiles/filedetails/?id=3484885619 Goes well with my: Guilli's Technologies mod: https://steamcommun...

Improved Megastructures

Created by Red Aria

EDIT: Will not be updated further. if you want something for LIVE version, use Gigastructures. Should still work for Legacy (2.2.4). What this mod does: 1. Allows to construct multiple megastructures at same time 2. Removes limit on number of megastructure...

Juris Civics Expansion [2.2 Compatible]

Created by Jacob Syme

Version 1.4.1 released, now with 2.2 compatibility! When Banks was released, I was thrilled with the addition of the Civics system. However, I felt it was lacking in a few vital areas; namely Spiritualism and Hive Minds. There were a lot of niches I felt n...

Mind Control Expanded

Created by Satire

This mod allows you to use mind control technologies more broadly. Current features: Use your psionic abilities or orbital lasers to subjugates will of primitives! New observation station mission unlocked by Will to Power or Telepathy techs which allows to...

More AI Personalities

Created by cybrxkhan

Current Version: 4.0 (Released 5/6/25, Compatible with 4.0) Ironman Compatible, but NOT Achievement Compatible Discord Server for my mods Official Website for my mods Compatch Version for Ethics and Civics Bug Branch (May be outdated) Paradox Forum Thread ...

Magnum's Mods - More Civics Points Research

Created by Magnum

Updated to version 2.6.* (Federations) Adds a 5 times repeatable tech for more civic points. Since the vanilla UI breaks with too much civic points something like "UI Overhaul" is required to able to display more. UI Overhaul 1080p http://steamcommunity.co...

Planetary Computer

Created by Sam_

This mod adds a new planet class, a Planetary Computer. About This Planet Class is a specialist class that costs the same to terraform to as a Gaia class planet. It requires two technologies to unlock the terraforming. This planet requires Sentient AI, Atm...

Proxima: Traits

Created by Krichase

This mod has been updated on September 24 2017 This mod adds 28 new species traits to the game. Corrupt cost = -2 tile_resource_energy_mult = -0.1 leader_influence_cost = 0.25 species_leader_exp_gain = -0.1 Lazy cost = -2 tile_resource_minerals_mult = -0.1...

Researcher Trait 'Fix' - Polymath Edition

Created by Jaskyl

A fun version of my Research Trait 'Fix' mod. Every single level up will now guarantee a new trait for any leader. Everyone is a multi-discipline genius! UPDATE: There's no such thing as Arrested Development anymore. Yay! Don't use this and the standard Re...

SUM - Larger Galaxies

Created by Sumrex

Current supported version: 2.1.0 Current mod version: 1.0.2 FIXED FOR 2.0, be careful with mods that modify galaxy generation as they can cause infinite loading screens. Also due to the 2.0 hyperlane algorithm, load times are absolutely rediculous. Ironic ...

Svafa's Expanded Species Traits

Created by Svafa

This mod adds over 30 new species traits. It is focused on adding new and evocative options to fulfil those scifi fantasies that the base options didn't quite allow. A complete list can be found in the related discussion. Latest Changes It should be compat...

(-United Traits-)

Created by Fugasas

This mod contains 70+ traits for species inspired by various Sci-Fi themes (from Star Wars, Mass Effect, Star Trek, Doctor Who, Stargate, StarCraft to Fallout). New traits are defined in a separate file, therefore vanilla traits are not affected. These tra...

Adjusted Tradition Tree Adoption Costs

Created by Kreldin Starfeather

Update to 2.6...

Enhanced Robomodding

Created by C1CK

This mod is designed to enhance the late game robomodding by adding more advanced versions of existing traits Note: This mod makes robomodding a starting feature, therefore you do not need another mod that adds this feature. Partner Mods - Gigastructural E...

Balance Apocalypse

Created by Sumrex

I will most likely not update this specific mod to 2.2, I do not recommend using it with 2.2 because most of the calculations have changed in vanilla so you may find weird values with things. I will be making replacement mods to do the things that this mod...

Expanded Stellaris Traditions

Created by Private Feelings

Currently non-maintained, see link for alternative version/h1] I currently do not have the time to maintain this mod as thoroughly as I would like. An update may happen in the future, but in the meantime consider this alternative version of it being mainta...

!!!Tons Of Traditions

Created by [JdG] Pejman

No CO version : https://steamcommunity.com/sharedfiles/filedetails/?id=1340352704 Do NOT run plentiful at the same time as this, there have been reported bug because of it (all the content of plentigul is already in this mod so you dont need to activate it...

Balanced Start System Generation - More balanced neighbouring systems

Created by Doomwarrior

A balanced and fair Start that reduces the crazy luck factor early game still faces. This mod guarantees the same level of ressources the starting system gets in the predefined neighbouring systems to even out the heavy dependency every one has to relative...

Expanded Stellaris Ascension Perks - Addon

Created by Private Feelings

Addon Abandoned, Main Mod Still Active Expanded Stellaris Ascension Perks is a mod which adds 60 new Ascension Perks to the game. In a previous iteration of the game this addon contained some modification to the mod, which was de-attached for compatibility...

FTL Scout Probe 2.0

Created by Killian

Currently Beta/WIP - Apocalypse/Distant Stars Edition; 2.0-2.1 compatible Adds FTL-capable scout probes, buildable from game start. Simply go into the ship designer and design a probe. They're simple reconaissance and information-gathering devices that can...

Galactic Policies

Created by LastLeviathan

http://i.imgur.com/V3Z5O15.png This mod provides several policies inspired by Victoria II that help add flavour to the inner workings of your empire. Other empires will utilize them varying by ethos and government, and their opinions of you will shift depe...

Natural Selection (2.0/2.1)

Created by AlphaAsh

A small selection of traits with a focus on the concept of natural selection. COMPATIBILITY This mod does edit the vanilla file 04_species_traits.txt in order to define appropriate opposites with available vanilla traits. LOCALISATION Russian, by GOD OF HY...

Orbital Riches (2.0/2.1)

Created by AlphaAsh

Rare and rich deposits in orbit. This simple mod adds a small chance of a rare and relatively rich deposit being added in orbit of a star or non-habitable planet, once surveyed. Each system may only ever generate a maximum of one and the more bodies there ...

Magnum's Mods - More Influence Research

Created by Magnum

Updated to version 2.6.* (Federations) Adds 8 more techs to get 10 more influence per month in total. For each technology tier one is added in conjunction with the government tech (it's also a prerequisite). And at the end added 5 times repeatable tech opt...

Mechanical Revolution

Created by Argual

I'm not working on mods anymore! I've put out this information on my page a while ago, but I'm still getting comments asking for updates. More info here: https://steamcommunity.com/id/argual/ Adds a civic that (mainly) increases robot build speed, resource...

Networked Intelligence

Created by ECHO

Stellaris v2.3 (and v2.2.7) 4 different Networked Intelligence playstyles themed Psionic, Biologic, Cybernetic and Synthetic with new mechanics, traits and governments 50+ Additional technologies (Networked Intelligence faction exclusive) 50+ Additional sh...

Origins Civics

Created by cbshing

"From the depths of the Pacific to the edge of the galaxy" This mod explores the concept of origin civics: permanent civics that alter the game start and/or introduce a new way to play the game. These civics add new elements such as non-ideal starts, quest...

Psionics Expanded (Legacy)

Created by Disafae

This is the Legacy version. Really didn't wanna deal with updating it for Le-Guin. Luckily, someone else decided to do it. Check out Psionics: Re-Expanded or.. something along those lines for the Le-Guin version. Have you ever felt that the current psionic...

[Out of Date] Stellar Resources

Created by Audie

====================================================================== So I think I've got a rough idea of how I'm going to update this. Since resources work completely differently now, I can no longer tie bonuses to resources. Rather, I'll likely have to ...

Ruler Level System - Classic

Created by jasonpepe

This is the classic version of RLS and will not continue to update. Will stay at 3.0 version. If you are looking for the rework version of RLS, click Here. ------ Compatibility Standalone, no vanilla files are edited. namespace = play_as_ruler global_flag ...

Advanced Jump Drives (2.2+)

Created by Will pick sniper

See Change Notes for the latest info. 12/20/2018 : Now, I cleaned up the mod. Yes, that even script is gone now, since the mod has to be adjusted even further from 2.0 version at this point. I also changed an interface file to avoid potential mod comp issu...

Advanced Terraforming (2.2+)

Created by Will pick sniper

(12/20/18) Update : Now version number is 2.2.* (6/5/2018) Update : Now version number is 2.1.* Now, Because of the performance issue, I could not fully tested this mod. Hopefully everything is ok. (2/24/2018) Emergency Update : So it turned out Paradox al...

Gods and Guardians (2.0/2.1)

Created by AlphaAsh

New missions for Observation Posts and related events. MISSIONS We Are Your Gods The natives are led to believe that you are their gods. You effectively enslave them from above. Cannot be used by: fanatic spiritualists, fanatic xenophiles, xenophiles or fa...

Homeworld Ethics (2.0/2.1)

Created by AlphaAsh

16 empire unique buildings for an empire's homeworld. Which can be built is based on the ethics of the empire. Each fanatic ethic allows the player and AI to build both the fanatic and non-fanatic empire unique building on their homeworld. Each non-fanatic...

Megastructures

Created by Arheo

THIS MOD IS NO LONGER BEING UPDATED Try out our other mod, Native Preservation! http://steamcommunity.com/sharedfiles/filedetails/?id=909547945 25/02/2018 - Update for 2.0. Updated for 2.0.* - Equatorial Shipyard redesigned, now titled, 'Equatorial Fabrica...

Shroud Expanded(Legacy)

Created by Yindiram The Faerie Dragon

This is 2.0 version, to gain access to the newest Version, check here https://steamcommunity.com/sharedfiles/filedetails/?id=1588842850 Please check change notes for recent updates and changes. Have you ever wondered: "Damn, the Shroud is awesome, if only ...

Advanced Ship Behaviour Modules

Created by [REF] Issen

Introduction Advanced Ship Behaviour Modules is a mod that aims to improve the current state of ship combat maneuvers. If you are unhappy about corvettes always charging forwards and battleships always sitting in the back, or you would like to have an arti...

The Utopian Dream (2.0/2.1)

Created by AlphaAsh

Tweaking and expanding Utopia. Requires Stellaris: Utopia DLC. *** MEGASTRUCTURES This mod includes specialised habitats and a huge terraforming world-shell. Genesis Initiator World-shapers can construct this around uninhabitable barren and frozen worlds. ...

Vanilla Buildings Revised (2.0/2.1)

Created by AlphaAsh

Revises the balance of vanilla buildings. The balance-point revisions work best with AlphaMod but you can use the mod standalone. If you don't like the changes, don't use the mod. Practically all build times and costs revised. Specialised research labs pro...

Potent Rebellions (3.3 currently discontinued)

Created by Caligula Caesar

This mod significantly expands the Vanilla rebellion mechanics to make them a more significant threat to established empires. As it is, rebellions are fairly rare and pose virtually no threat whatsoever to your empire, as the revolutionaries start with hug...

[Deprecated] The Zenith of Fallen Empires 2.0

Created by Kolyn

The Zenith of Fallen Empires 3.0 is now LIVE The Zenith of Fallen Empires 2.0 will continue to work with Game Updates 2.3-2.5, while 3.0 will be supported beyond the 2.6 Federations update. Several millennia ago, the galaxy had glimpsed apocalypse when Asc...

The Belt (v2.1 Niven) - NEW AUTHOR LINK

Created by Jalib AlMarah

User RevanSchatten has gone and picked up the Hot Potato. If you want to continue using The Belt, go check his update out! A BIG THANK YOU to everyone who has subbed to this mod, and I'm sorry I couldn't update further for you. Here's to the future of the ...

Additional Traditions (Stellaris v2.1.*)

Created by Meltup

Additional Traditions v1.2.2 For Stellaris: 2.1.* Old version: Additional Traditions (Stellaris v1.9) This mod adds 5 new tradition trees: - Navy - focuses on increasing fleet capacity and fleet output together with giving some minor fleet movement and bui...

Ethics and Civics Classic (Pirate Update)

Created by petruxa

Now Has Megacorp Civics + Linux Fix! *Niche bugs may exist, please report them on discord Hello everyone! Joakim is sadly retiring from the modding scene. I would like to thank him for maintaining/updating the mod ever since Petruxa left, he was carrying t...

Ultimate Technologies

Created by breloom1994

Have you ever felt constrained by military advances and economic growth? Inalterable planets and negative modifiers. Insecure borders, pirates plunder and angry populations. Or do you just feel like the graphics could be taken up a notch and the weapons co...

New Legendary Worlds

Created by ༒Wanheda༒

New Legendary Worlds & Districts Legendary Worlds is back and ready for 3.11! Legendary Worlds has been overhauled for 3.10 Almost complete overhaul of Habitats/Ringworlds This is a mostly complete overhaul of the mod. Balance changes on all worlds, more r...

Cosmic Religions

Created by fliorcid

Mod adds to the game 8 religious systems that gives small bonuses: animism, monotheism, polytheism, god-emperor, pantheism, secularism, atheism and materialism. The religious affiliation of the population is not constant, but changes with time. How it work...

Expanded Strategic Resources

Created by Elowiny

Introduction Strategic resources are great. But I've always felt like only having two local strategic resources (Betharian and the alien pets) was a waste of potential. As such, this mod aims to add about 20 new resources to the galaxy, both local ones and...

Machine Unit Recycler

Created by Argual

I'm not working on mods anymore! I've put out this information on my page a while ago, but I'm still getting comments asking for updates. More info here: https://steamcommunity.com/id/argual/ You know what really grinds my gears? When I get the robomodding...

More Insults

Created by Hong Meiling

For 4.0.* "You wouldn’t dare!" Ever wanted to deliver some burns the strength of a thousand burning suns to some star slime? Wish to tell that fanatic spiritual moron next door that their god doesn’t exist? Tell some pacifist coward that they deserved to b...

Tesla Anomaly

Created by csrr

Elon Musk has done it. A red 2008 Tesla Roadster now floats through space, blasting David Bowie’s "Life on Mars" into the vacuum. Of course, I had to make a modification for my favorite game to commemorate this achievement. This is a fairly simple mod, whi...

Distant Origin

Created by mzilli

“Life out here began out there.” -- Commander Adama, Battlestar Galactica Distant Origin is a mod that expands on the Lost Colony and Remnants origins added in Federations, and adds a few of its own. Players can choose to start as such a lost colony: cut o...

Adv. Custom Empires Pack - Extended First Contact (For Stellaris 2.8.1)

Created by zoston

UPDATE 28 MAY 2021: MOD IS NOW INACTIVE Hello everyone, new and returning. I'm afraid that as it stands this mod should be considered 'inactive'. I haven't touched a paradox game in over a year, and as it stands I don't really intend to go back to them. I ...

Developing Planets - Play Tall!

Created by Caligula Caesar

This mod allows you to develop planets. It is inspired by EUIV’s province development feature, which allows countries with a few provinces to be able to match or even be better than countries with more but less lucrative provinces. Given that EUIV’s featur...

Reduced Border Friction

Created by KnightNight

Annoyed at never being able to form federations with your neighbours? Hate how you almost always have to kill the guys you spawn next to, even if you should really get along? Reduced border friction does exactly what is says on the tin, reduces the border ...

Expanded Ideologies

Created by AvenDonn

Supported version: Stellaris 2.3.* Expanded Ideologies Expands the flavor of Stellaris governments by adding new government flavors and personalities to match. The personalities don't demand the exact government type to be selected, but similar circumstanc...

Planet-Wide City Mod 2.1.3

Created by Emperor Scorpio

I am uploading a new mod that is an update to this. It is called Ecumenopolis Types 2.2. This mod will remain up, but will not get new features. The new mod is fully updated, but because of the way the game is updated, not everything will be the same as th...

Exterminatus

Created by Viscount Danku

Description NB! MAKE SURE THAT YOU HAVE "EXTERMINATUS" EDICT ACTIVE IN ORDER TO USE EXTERMINATUS WEAPONS AND DECLARE EXTERMINATUS UPON OTHERS. Personally, I've been dissapointed by the poor state of planetary bombardings in this awesome game. While I wante...

Cultural Overhaul patch for Creation Interface

Created by Spillik

Compatibility patch...

! Reworked Advanced Ascension

Created by scroll

Adapting to Stellaris 4.0 This mod is to add new advanced ascensions based on vanilla ascensions 30 new Advanced Ascensions The upper limit of the ascension slot has been increased, which requires UOD series for UI support Future development of this MOD ha...

Xenology (Obsolete, see description for new link)

Created by Devious

This version is obsolete and no longer works as of 2.8.1. Please check out the newer, fully reworked version at Xenology : Traits Expansion Neo - Bio Module . ...

Xeno Fauna (2.1)

Created by AlphaAsh

Find and exploit animals on alien worlds. This simple mod adds several planet-based alien animals (strategic resources) for you to discover and exploit. Here's how you go about doing that: 1 - Research Xeno Fauna Exploitation (a new tier 1 Biology tech). 2...

Alternative Tilesets (2.1)

Created by AlphaAsh

Alternative tiles for Gaia, Alpine, Savanna, Tomb & Ringworlds. Includes two tilesets originally released separately, for Alpine and Savanna worlds, two tilesets originally released in AlphaMod, for Gaia and Tomb worlds and a tileset for Ringworlds based o...

Ringworlder (2.1)

Created by AlphaAsh

Ringworld populations and buildings rescaled. Ringworlder takes a stab at trying to scale up ringworld populations and buildings without utterly annihilating game-balance. THIS MOD DOES NOT RE-SIZE/RE-SCALE RINGWORLD MODELS. MODIFIER: RINGWORLDS ARE REALLY...

Hands of State (2.1)

Created by AlphaAsh

A small collection of additional governor traits. Bureaucrat This leader is a number cruncher who can squeeze energy credits out of a rock. Energy Output: +10% Pop Happiness: -5% Diplomat This leader knows how to keep everybody working together and how to ...

Do Want (2.1)

Created by AlphaAsh

Strategic Resources worth fighting for. Associated empire unique buildings worth destroying. You know, strategy stuff. This mod nerfs vanilla strategic resources, and a large chunk of their benefit now comes from an associated empire unique building. These...

AlphaMod 2.1

Created by AlphaAsh

An unofficial expansion for Stellaris. RE: v2.2 A lot of AlphaMod's features and content looks likely to become redundant (myself and PDX do tend to want a lot of the same stuff for Stellaris), so I'm planning to split the mod up into features and content ...

Starbase Defenses Extended 2

Created by ScepraX

Stellaris version supported: v2.1.* Starbase Defenses Extended 2 Reintroduces the medium and large military stations which can be build at starbases just like defense platforms. The technologies required to unlock them are back. They are accessible early o...

Shut Up, We Don't Care! (2.1)

Created by AlphaAsh

No more diplomacy alert spam. Ding ding ding. The constant ding of crappy AI continuously changing its mind about rivalries, defensive pacts and all that other s h i t I don't care about. Patch notes continue to suggest the spam has been reduced. It really...

Unique Systems Spawn 100%

Created by had

This simple mod maximize spawn chance of vanilla unique solar systems. Dlc content like leviathans, enclaves and so affected if you have dlc. For Stellaris 3.6.* Full list Savegame compatibility Affect galaxy generation, so new game needed, you may also tu...

Ends of the Universe

Created by Doodlebot11

The Penrose Sphere based on Kurzgesagt's video The Black Hole Bomb and Black Hole Civilizations This mod introduces a new Megastructure, Authority, Starting system, and Prescripted empire Updates: Update: 1.2.3: Fixed the disappearing pop bug Update: 1.2.0...

!EOTU! Ends of the universe & Gigastructures comp patch

Created by Doodlebot11

Compatibility patch for Gigastructural Engineering & More and Kugelblitz megastructures mod...

Tiny Planets! (in Outliner)

Created by folk

"Tiny Planets! (in Outliner)" removes most of the cruft from the planet list in the Outliner! 1.3.x Compatible. It removes the star system name and planet class tag. Occupation, Blockade, and Invasion icons are shown as of latest update. Planet Icons are n...