Many mod developers host their mods on GitHub. Look for the section or a .dll file. Common sources:
To manually install mods for Oxygen Not Included (ONI), you must place the mod files into a specific "local" folder within your user documents . This method is essential for users on the Epic Games Store or those who want to use mods not available on the Steam Workshop. 1. Locate the Manual Mods Folder
Ensure the final path looks like this: ...\OxygenNotIncluded\mods\local\YourModName\mod.yaml . Do not let it look like ...\local\YourModName\YourModName\mod.yaml , or the game will fail to recognize it. 4. Activate the Mods In-Game
This is the biggest drawback of manual installation. You must track updates yourself.
You want to use a specific older version of a mod that is no longer on the Workshop. oxygen not included how to install mods manually
The directory structure is different, but the principle remains the same. Search for the Klei/OxygenNotIncluded directory in your user files. Note that some mods may not function correctly on Linux due to Mono version differences.
Mods for ONI are stored in your user documents rather than the game's installation directory. Navigate to the following path based on your operating system: : \Documents\Klei\OxygenNotIncluded\mods\local\
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Ensure the folder containing these files has a clear name (e.g., "Manual_Speed_Mod"). Avoid using special characters or long strings of numbers. Step 3: Move the Files Many mod developers host their mods on GitHub
When in doubt, use the Steam Workshop for ease. But for those times you need a specific, outdated, or custom mod – manual installation is your lifeline.
: If the game crashes repeatedly on startup, delete the mods.json file located in ...\Klei\OxygenNotIncluded\mods\ . This resets your mod load order and disables all mods, allowing you to start fresh without reinstalling the entire game.
Once the files are in place, you must instruct the game to load them. Launch Oxygen Not Included . From the main menu, click on .
: Open the extracted folder. You must see the game files immediately, such as a mod.yaml file, a mod_info.yaml file, or a .dll file. If these files are buried inside a subfolder, move them up. This method is essential for users on the
Unzip the downloaded mod file. You should be looking at a folder that contains files like mod_info.yaml , mod.yaml , and potentially subfolders like anim or strings .
Modern versions of ONI require a mod_info.yaml file inside the mod folder to tell the game which versions of Klei's engine it supports. If this is missing, the mod is likely outdated.
your desired mod (usually as a .zip file) from a source like GitHub or Nexus Mods .
Open the extracted folder. A functional Oxygen Not Included mod must contain the following core files directly in its root folder: