Mastering the Chaos: The Definitive Guide to Manually Installing Mods in Oxygen Not Included
Have a mod that still won’t install? Visit the official Klei forums or the ONI Modding Discord, providing your game log file from Documents/Klei/OxygenNotIncluded/logs/ .
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.
into this new subfolder. Avoid "double-nesting" (e.g., ensure it isn't .../local/TrueTiles/TrueTiles/mod.yaml 3. Enable the Mods In-Game
Step 2: Understanding the "Local" Folder
Extract the files:
When you download a mod manually (from sites like GitHub or forums), it usually arrives as a .zip or .rar file. Use a program like 7-Zip or WinRAR.
Steam Workshop
Most players use the for one-click mod installation. However, there are several reasons you might need to install mods manually :
A manual mod zip typically contains:
All of these have been ported to manual downloads on the Klei forums.