Some GitHub mods are in "development" (pre-release). Look for a mod_info.yaml file inside the folder. If it's missing, the mod will not work.
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.
Move all extracted mod files—including the .dll and .yaml files—directly into this newly named folder. Do not leave them loose in the local folder. 3. Activate the Mods In-Game
: Navigate to the following path based on your operating system:
Some mods are distributed as just a single .dll file. oxygen not included how to install mods manually
If you are comfortable with manual installation, you have much greater control over your colony. If you are ever stuck, checking the is a good place to find updated mod information. If you have any questions, let me know:
The game loads mods in alphabetical order. If you face crashes, rename PLib’s folder to 0_PLib so it loads first.
Navigate to the following directory: ~/.config/Klei/OxygenNotIncluded/mods/local/ 2. Download and Extract Your Mods
from the main menu. Your manually added mods will appear in the list; simply click the checkbox to enable them. Steam Community currently popular for the latest Spaced Out! Some GitHub mods are in "development" (pre-release)
Navigate to the following path based on your operating system:
Once the files are in place, you must activate them through the game user interface. Launch Oxygen Not Included . Click on from the main menu.
Create a brand-new folder inside your ...\mods\local\ directory. Name this folder after the mod (e.g., SpeedControl or BiggerCapacity ). Move all the extracted files directly into this new folder.
: %USERPROFILE%\Documents\Klei\OxygenNotIncluded\mods\local Oxygen Not Included (ONI) by Klei Entertainment is
Warning: Do not let your extraction software nest folders (e.g., .../local/SpeedControl/SpeedControl/mod.dll ), or the game will fail to recognize the mod. Step 4: Enable the Mod In-Game
While the Steam Workshop makes installation simple for many, you may need to install mods manually if you are using the version, GOG , or want to use community-created mods not found on Steam. This guide provides a detailed walkthrough for installing mods manually in Oxygen Not Included as of early 2026. 1. Why Install Mods Manually?
/Users/USER/Library/Application Support/Klei/OxygenNotIncluded/mods/local/ Linux: ~/.config/unity3d/Klei/OxygenNotIncluded/mods/local/