Finally, you need to tell the game to load your new manual mods.
Oxygen Not Included (ONI) by Klei Entertainment is a deep, complex colony simulation game. While the base game offers hundreds of hours of challenging gameplay, the modding community has taken it to another level. From quality-of-life improvements (like the "Pliers" mod) to complete overhauls, mods can drastically change your experience.
: Ensure the mod is updated for your current game version (e.g., vanilla vs. Spaced Out! DLC).
Inside MyAwesomeMod , you should see mod.yaml and mod.dll . oxygen not included how to install mods manually
This usually means the mod is outdated and incompatible with your current game build (e.g., trying to run a "Vanilla" mod on a "Spaced Out!" DLC save). Hold down the Shift key while launching the game to force-open the mod menu and disable the problematic file.
Many mod developers host their mods on GitHub. Look for the section or a .dll file. Common sources:
If the above doesn't work, check: C:\Users\[YourUserName]\AppData\LocalLow\Klei\Oxygen Not Included\mods Finally, you need to tell the game to
For example, a correct installation for a mod called "MyAwesomeMod" would look like this: Documents\Klei\OxygenNotIncluded\mods\Local\MyAwesomeMod\MyAwesomeMod.dll
Navigate to: ~/Library/Application Support/unity.Klei.Oxygen Not Included/
Some advanced mods require PLib, a library mod, installed alongside them in the same local folder. From quality-of-life improvements (like the "Pliers" mod) to
: /Users/[Username]/Library/Application Support/unity.Klei.Oxygen Not Included/mods/local/
This guide will show you exactly how to install, manage, and troubleshoot manual mods for Oxygen Not Included in 2026. 🛑 Prerequisites: Before You Begin
Paste the following path into the box: %USERPROFILE%\Documents\Klei\OxygenNotIncluded\mods\local\ Press .
\Users\%USERNAME%\Documents\Klei\OxygenNotIncluded\mods\local