HomeGamesUpdatesPricingMethodology
Steam News28 July 202611d ago

v0.21.0 - Chemical Polarisation, Improved Lighting & Wall Clouds

v0.21.0 introduces a few nice changes: Improved lighting and post-processing Improved wall cloud rendering Chemical polarisation: you can polarise chemicals to have the opposite effect to normal, so you can now also wea

Full notes

Full Tornado: Research and Rescue update

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

What changed

0 fixes2 additions2 changes0 removals
  • Gameplay
  • Performance
changedImproved lighting and post-processing
changedImproved wall cloud rendering
addedChemical polarisation: you can polarise chemicals to have the opposite effect to normal, so you can now also weaken tornadoes, shrink tornadoes, make the paths *more* unstable (useful if it's heading towards a town) and increase the ground speed
addedThis is a pretty big visual overhaul, as always I'm looking for feedback and hope you enjoy the new update! :)

Tornado: Research and Rescue changes

changedImproved lighting and post-processing
changedImproved wall cloud rendering
addedChemical polarisation: you can polarise chemicals to have the opposite effect to normal, so you can now also weaken tornadoes, shrink tornadoes, make the paths *more* unstable (useful if it's heading towards a town) and increase the ground speed
addedThis is a pretty big visual overhaul, as always I'm looking for feedback and hope you enjoy the new update! :)

v0.21.0 introduces a few nice changes:

Improved lighting and post-processing

Improved wall cloud rendering

Chemical polarisation: you can polarise chemicals to have the opposite effect to normal, so you can now also weaken tornadoes, shrink tornadoes, make the paths *more* unstable (useful if it's heading towards a town) and increase the ground speed

This is a pretty big visual overhaul, as always I'm looking for feedback and hope you enjoy the new update! :)

Source

Steam News / 28 July 2026

Open original post

Changelog.gg summarizes and formats this update. How we read updates.