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The Simple Custom Gas Framework is a RimWorld mod that allows modders to add custom gases to the game using only XML. You can find it here on the Steam workshop.
Gases added using this framework behave identically to the vanilla gases, including behaviours like diffusion and dissipation.
You can easily configure gases to apply hediffs to pawns, and customise which apparels, genes, traits, and many other things can make pawns immune to them.
To get started, select the link that best matches what you want to do:
- I want to make my own custom gas, and...
- I want to patch some apparel to give immunity to a gas.
Can this be added/removed from existing saves?
Yes, this mod can be added and removed from existing saves without any major issues. You might get a few one-time errors appearing in the console about missing/unknown Defs, but these can be safely ignored.
How much does this impact performance?
In normal gameplay, performance should actually be better than in vanilla, thanks to the gas grid optimisations in Performance Fish.
Why does this require the Biotech DLC?
RimWorld's
GasUtility.PawnGasEffectsTick()method, which handles gas applying hediffs logic, only runs when Biotech is active.
A list of mods that use this framework, let me know if you want yours on here!
Noticed a mistake or have a suggestion to improve this page? Reach out via GitHub issues, Steam discussions, or mention me on Discord!