Many ONI modders release their latest updates on GitHub, which are often safer or more up-to-date than unofficial mirrors. ONI ModDB: A reliable place to find mods outside of Steam.
For SteamOS or Linux distributions, the mod folder is typically located at: ~/.config/unity3d/Klei/Oxygen Not Included/mods/
The path varies, but generally: ~/.steam/steam/steamapps/compatdata/457140/pfx/drive_c/users/steamuser/AppData/LocalLow/Klei/Oxygen Not Included/mods
The game will ask you to restart to apply the changes. 4. Where to Find Manual Mods (2026) oxygen not included how to install mods manually
In 2026, ensure the mod you are downloading was created or updated for the current version of ONI. Older mods may cause crashes.
Navigate to the correct folder based on your operating system:
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 Many ONI modders release their latest updates on
Launch the game once, then close it. Klei’s engine creates the folder automatically. If not, create a new folder named exactly mods (lowercase) inside the OxygenNotIncluded directory.
Which are you using (Windows, Linux, macOS)? Is it a specific mod that is causing issues? Are you playing on Steam, Epic Games, or GOG ? I can provide more tailored troubleshooting steps. Share public link
Perhaps you are running a non-Steam version (like Epic Games or GOG), you are playing on a Linux machine, or you want to prevent a mod from automatically updating and breaking your colony. Whatever the reason, learning is an essential skill for the advanced duplicant manager. Navigate to the correct folder based on your
Click in the top menu bar, hold down the Option key, and click Library .
Unlike many games where you drop files into the installation directory, ONI looks for manual mods in your folder.