Oxygen Not Included How To Install Mods Manually -
Once you are in the Oxygen Not Included\mods folder, you will notice two subfolders. It is vital to understand the difference:
| Folder Name | Purpose | Use Case |
| :--- | :--- | :--- |
| Steam | Automatically managed by Steam Workshop. Do not touch this folder for manual installs. | Steam users. |
| Local | For manually installed mods. This is where your files go. | All manual installations. |
If the Local folder does not exist, create it now. Right-click > New > Folder and name it exactly Local (case-sensitive, no spaces).
Manually installing mods in Oxygen Not Included is a relatively straightforward process that requires some basic computer and file management skills. Always ensure you're downloading mods from reputable sources and that they're compatible with your game version to ensure a smooth, enjoyable gaming experience.
To manually install mods for Oxygen Not Included (ONI), you must place the mod files into a specific "local" folder within your game directory. This method is essential for users on the Epic Games Store or those using mods from external sites like GitHub. 1. Locate the Manual Mods Folder
The game looks for manually installed mods in a specific directory under your user profile.
Windows: %USERPROFILE%\Documents\Klei\OxygenNotIncluded\mods\local
Mac OS: /Users/[USERNAME]/Library/Application Support/unity.Klei.Oxygen Not Included/mods/Local
Linux: ~/.config/unity3d/Klei/Oxygen Not Included/mods/Local
Note: If the local folder does not exist within the mods directory, you must create it manually. 2. Download and Extract the Mod
Source the Mod: Obtain the mod files from an external source or use a third-party Steam Workshop downloader if you are trying to use Steam mods on a non-Steam version of the game. oxygen not included how to install mods manually
Unzip the Files: Extract the downloaded archive. You should see a folder containing files like mod_info.yaml and mod.yaml.
Place the Folder: Move the entire extracted folder (e.g., Documents\Klei\OxygenNotIncluded\mods\local\ModName) into the local directory.
Critical: Ensure each mod is in its own subfolder and is not "double-nested" (e.g., local\ModFolder\ModFolder\files). 3. Activate the Mod In-Game
Bought the game from Epic, how do I install steam mods? : r/Oxygennotincluded
Installing mods manually in Oxygen Not Included (ONI) is a straightforward process that involves placing mod files into a specific "local" directory. This is useful for players using the Epic Games Store or those who prefer downloading mods from GitHub or third-party workshop downloaders. 1. Locate the "Local" Mod Folder
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: Windows: \Documents\Klei\OxygenNotIncluded\mods\local\
macOS: /Users/[Username]/Library/Application Support/unity.Klei.Oxygen Not Included/mods/Local/
Linux: ~/.config/unity3d/Klei/Oxygen Not Included/mods/Local/
Note: If the local folder does not exist inside the mods directory, you must create it manually. 2. Download and Extract the Mod
From GitHub: Download the mod as a ZIP file (often via the "Clone or download" button). Once you are in the Oxygen Not Included\mods
From Steam Workshop (Non-Steam Users): Use a third-party tool like a Steam Workshop Downloader by pasting the mod's URL to fetch the files.
Extraction: Extract the contents of the ZIP file. Each mod should have its own subfolder inside the local folder. 3. Verify Folder Structure
Ensure your files are not "double-nested." The path should look like this:...\mods\local\[ModName]\mod_info.yaml A correctly installed mod folder typically contains: A .dll file (the main code). A mod_info.yaml file (metadata). A mod.yaml file. 4. Enable the Mod In-Game Launch Oxygen Not Included. Click on the Mods button in the main menu.
Find your manually added mod in the list. Local mods are often distinguished from Steam mods in this menu. Check the box to Enable it. Restart the game to apply the changes. Common Troubleshooting
Crashes: Ensure the mod is updated for your current game version (e.g., vanilla vs. Spaced Out! DLC).
Not Appearing: Double-check that the mod is inside a subfolder under local. The game will not recognize loose files placed directly in the local folder.
How to Manually Install Mods for Oxygen Not Included While the Steam Workshop is the easiest way to manage your colony's upgrades, players using the Epic Games Store
version or those who prefer manual control can still install mods easily. This guide walks through finding your local directory and getting your mods up and running. 1. Locate the Correct "Local" Folder
Oxygen Not Included (ONI) looks for manual mods in a specific
folder within your user data directory. You may need to create this folder if it doesn't already exist. %USERPROFILE%\Documents\Klei\OxygenNotIncluded\mods\local Manually installing mods in Oxygen Not Included is
~/Library/Application Support/unity.Klei.Oxygen Not Included/mods/local ~/.config/unity3d/Klei/Oxygen Not Included/mods/local 2. Prepare the Mod Files
Manual mods must be placed in individual subfolders to load correctly. your desired mod from a source like
or use a third-party tool to download files from the Steam Workshop. Extract the ZIP file. You should see files like mod_info.yaml , and often a Create a subfolder inside the directory named after the mod (e.g., .../mods/local/TrueTiles/ Move the files
into this new subfolder. Avoid "double-nesting" (e.g., ensure it isn't .../local/TrueTiles/TrueTiles/mod.yaml 3. Enable the Mods In-Game
Simply placing the files in the folder won't activate them; you must enable them through the game's UI.
Here’s a detailed, step-by-step guide to manually installing mods for Oxygen Not Included (ONI).
Before you dump files in, you need to understand what a "mod" actually looks like to the game engine.
A functioning mod is a folder containing files. It is not a single file.
When you download a mod from a site like Nexus Mods or the Klei Forums, it will usually come compressed in a .zip or .rar archive.
The Golden Rule:
A valid mod folder must contain a file named mod_info.yaml or mod.yaml directly inside it. This file tells the game the mod's name, version, and description.
The Wrong Way:
The Right Way: