
Thin Air
The air is not always breathable in the depths of the earth and other dimensions.
Screenshots

About this Mod

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Thin Air introduces hardcore air mechanics, making it harder and harder to breath the further you move away from the world's sea level. Both adventuring in caves as well as climbing tall moutains have suddently become quite dangerous if you don't bring a sufficient air supply! And don't even think of travelling to the Nether...
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▶️ Below Y=0 and above Y=128, and in the Nether, you slowly lose air
▶️ In the End, there's no air at all
▶️ You can protect yourself with Potions of Free Breathing (which were renamed from Water Breathing), or with Respirators and Air Bladders
▶️ Create little pockets of tepid safety for yourself with Soul Fire, Soul Torches, or Soul Campfires. Or, restore your lungs with a Bottle of Soulfire
▶️ Safety Lanterns change color in your inventory and in the world to tell you the air quality around you. Or dye them for decoration!
▶️ Drowned will choke the air out of you on attacking
▶️ And as a fun bonus, right-click a torch to make it spew particles, perhaps to signal the exit to a cave
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⏩ INSTALLATION REQUIRED ON CLIENT & REQUIRED ON SERVER
⏩ REQUIRES PUZZLES LIB TO BE INSTALLED (FABRIC & NEOFORGE)
⏩ REQUIRES FABRIC API TO BE INSTALLED (FABRIC)
⏩ REQUIRES FORGE CONFIG API PORT TO BE INSTALLED (FABRIC)
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If available for a mod, configuration is possible directly from in-game using the mod menu (requires Mod Menu by Prospector to be installed on Fabric). Please note that on older Minecraft versions installing Forge Config Screens is also a requirement.
For manual configuration using an external text editor all files are found at .minecraft/config, named as MOD_ID-client.toml, MOD_ID-common.toml, or MOD_ID-server.toml, depending on the type of config. Not all types might exist for a mod, if any at all.
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🌟 Thanks a lot to Petra for originally creating this mod as Miner's Lung. Thin Air is a simple port of the original project to modern Minecraft versions.
🌟 Thanks a lot to AlphaMode for porting Miner's Lung to Minecraft 1.19.2, providing the basis for Thin Air.
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Available Versions
How to Install Thin Air on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.4).
Install Mod
Open the mod browser in the dashboard and search for "Thin Air". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.4, 1.20.1, 1.19.2
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Thin Air server crashes on startup – what to do?
Most common cause: wrong fabric 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 (1.20.4). You can switch loaders with one click in the panel.
Is Thin Air compatible with fabric and forge and neoforge?
Thin Air officially supports fabric, forge, neoforge for Minecraft 1.20.4, 1.20.1, 1.19.2. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Thin Air – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Thin Air 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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Rent Modded Server
Install Thin Air with just one click on your server.



