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Steam News25 June 20269d ago

UPDATE TIME | Mod Support is here!

You asked for it and we’re delivering; Modulus now has official mod support, and we can't wait to see what you build.

In this update4

Full notes

Full Modulus: Factory Automation update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes4 additions4 changes0 removals
  • Workshop
  • Gameplay
  • Fixes
changedFOR PLAYERSSubscribing to mods is simple. Head to the Modulus Steam Workshop, find something you like, and hit Subscribe. Mods load automatically when you start the game, no fiddling required.
addedFOR PLAYERSYou'll find a new Mods tab in Settings (also accessible from the Main Menu and Pause Menu) where you can see everything you have installed and toggle mods on or off.
changedFOR PLAYERSModulus Workshop: https://steamcommunity.com/app/2779120/workshop/
addedFOR PLAYERSAny save file you play with mods enabled will be permanently marked as Modded, even after uninstalling mods
addedFOR PLAYERSWe've also added friendly error notifications so that if a mod causes an issue, you'll know exactly which one, no guesswork necessary.
changedFOR MODDERSAn upload tool for creating and updating your mods on the Workshop

Modulus: Factory Automation changes

changedSubscribing to mods is simple. Head to the Modulus Steam Workshop, find something you like, and hit Subscribe. Mods load automatically when you start the game, no fiddling required.
addedYou'll find a new Mods tab in Settings (also accessible from the Main Menu and Pause Menu) where you can see everything you have installed and toggle mods on or off.
changedModulus Workshop: https://steamcommunity.com/app/2779120/workshop/
addedAny save file you play with mods enabled will be permanently marked as Modded, even after uninstalling mods
addedWe've also added friendly error notifications so that if a mod causes an issue, you'll know exactly which one, no guesswork necessary.

You asked for it and we’re delivering; Modulus now has official mod support, and we can't wait to see what you build. Seeing as this is such a significant update we wanted to do a proper post rather than just patch notes. So, let's dive in.

FOR PLAYERS

Subscribing to mods is simple. Head to the Modulus Steam Workshop, find something you like, and hit Subscribe. Mods load automatically when you start the game, no fiddling required.

You'll find a new Mods tab in Settings (also accessible from the Main Menu and Pause Menu) where you can see everything you have installed and toggle mods on or off.

Modulus Workshop: https://steamcommunity.com/app/2779120/workshop/

Also it is worth flagging the following:

  • Steam achievements won't unlock while any mod is active

  • Any save file you play with mods enabled will be permanently marked as Modded, even after uninstalling mods

  • If something looks off, try disabling mods first and see if that fixes it

We've also added friendly error notifications so that if a mod causes an issue, you'll know exactly which one, no guesswork necessary.

FOR MODDERS

Modulus now runs BepInEx under the hood, which should feel familiar if you've modded Unity games before. We've put together a public GitHub with everything you need to get started:

https://github.com/Happy-Volcano/modulus-modding-samples

Inside you'll find:

  • 3 sample mods walking through the basics of modding for Modulus specifically

  • Documentation on Modulus' codebase

  • An upload tool for creating and updating your mods on the Workshop

We absolutely can't wait to see what the community creates and then what players do with those creations in the game. Whether you're adding quality-of-life tweaks, visual changes, or something we'd never have thought of ourselves, the factory floor is yours. One More Thing in the Update: Module Preview Fix

This release also includes a fix for the bug where module previews were showing up as white squares on operator UI panels, cutters, stampers, assemblers, and on modules transported via freighters and freight hubs. This one has been reported a fair few times and we're glad to finally have it squashed. If you've been seeing white squares where your modules should be, this one's for you.

Steam post imageOh and just a quick note to say that Modulus is part of the Steam Summer Sale, so if you've been waiting to build your factory, now is a great time to join the production line. You can grab the game at 25% off during the sale. Modulus Factory Automation

Have fun.

— The Happy Volcano team

Source

Steam News / 25 June 2026

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