Not Enough Oxygen
Oxygen system for modpacks [VS compatible]
About this Mod
This mod adds 2 things: oxygen tank that can be equipped in back curios slot and vent, that fills hermetic area with oxygen. Both of them uses liquid oxygen from mekanism.
To make dimension unbreathable add it to config.
Feel free to use in your modpacks.
If you are looking for a config for Starlance use this:
unbreathableDimensions = ["cosmos:alpha_system", "cosmos:b_1400_centauri", "cosmos:earth_moon", "cosmos:europa_lands", "cosmos:gaia_bh_1", "cosmos:glacio_lands", "cosmos:jupiterlands", "cosmos:j_1407blands", "cosmos:j_1900", "cosmos:marslands", "cosmos:mercury_wasteland", "cosmos:neptune_lands", "cosmos:plutowastelands", "cosmos:saturn_lands", "cosmos:solar_system", "cosmos:uranus_lands", "cosmos:venuslands"]
Available Versions
How to Install Not Enough Oxygen on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.6).
Install Mod
Open the mod browser in the dashboard and search for "Not Enough Oxygen". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.6, 1.20.5, 1.20.4 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Not Enough Oxygen server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.6). You can switch loaders with one click in the panel.
Is Not Enough Oxygen compatible with forge?
Not Enough Oxygen officially supports forge for Minecraft 1.20.6, 1.20.5, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Not Enough Oxygen – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Not Enough Oxygen consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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