Demo Update 1.1.1 + We're Part of SimFest 2026!

Hey Module Makers!

Two bits of good news today.

Modulus is part of SimFest 2026!

We're thrilled to be part of SimFest this year, running from July 20 to 27 . If you've been on the fence about picking up Modulus, now is a great time, the full game is 25% off for the duration of the festival. Come join us on the factory floor.

Demo Update 1.1.1 is live

This is a big one for the demo as we're bringing it in line with the latest version of the full game. We've packed in a huge number of fixes, quality of life improvements, and stability updates, many of which came directly from your feedback. Here's the full breakdown:

New Features

• Added search functionality to the Tech Tree

• Added notifications showing DataShard costs when buildings begin upgrading

• Added independent sliders for Machine and Environment volume

UI & Polish

• Building production icons no longer overlap inside the Operators view

• Fixed DataShard icons displaying the wrong colour during building upgrades

• Improved upgrade notifications

• Various UI polish and translation improvements

• Added smoother audio fade-outs for the intro sequence

Bug Fixes

• Fixed the game getting stuck while loading saves from the pause menu

• Fixed loading not always restoring previously unlocked Tech Tree nodes

• Fixed drones being saved in an invalid pending spawn state

• Fixed Harvester Pads throwing exceptions when undoing or redoing movement

• Fixed Harvester Pads and moving buildings causing null reference exceptions

• Fixed buildings losing progress on non-shape resources

• Fixed broken Stamper behaviour

• Fixed assembler edge cases and configuration issues

• Fixed blue paint subquests not being detected correctly

• Fixed Tech Tree search issues

• Fixed building output shortcut behaviour

• Fixed production icon related null reference errors when moving buildings

• Fixed auto-upgrade DataShard deduction errors

• Fixed blank input/output renders

• Fixed linking soft-locks when exiting the linking tool

• Fixed machine and environment sound settings

• Fixed multiple null reference exceptions

• Fixed several crashes caused by building movement

Performance & Stability

• Improved save stability in several edge cases

• Fixed crashes caused by missing exception handling during save backups

• Improved assembler stability

• Numerous performance improvements, stability fixes and internal optimisations

• Fixed various edge-case exceptions across gameplay systems

As always, thank you for your reports and your patience, every bug you flag helps us make Modulus better. If you're trying the demo for the first time during SimFest, we hope you enjoy it.

See you on the factory floor. — Team Happy Volcano