
Cavernous Unearthed
This mod adds vanilla style cave biomes and features.
Screenshots

About this Mod
Cavernous
Cavernous Unearthed is a vanilla style mod that adds many new cave biomes and cave related features. Right now it is in early snapshot phases but I will consistently be working on new content until it is ready to release fully.
Current Features
-Fungal Caves Biome
-Volcanic Caves Biome
Available Versions
How to Install Cavernous Unearthed on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Cavernous Unearthed". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Cavernous Unearthed server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Cavernous Unearthed compatible with neoforge?
Cavernous Unearthed officially supports neoforge for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Cavernous Unearthed – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Cavernous Unearthed 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.
Similar Mods
Rent Modded Server
Install Cavernous Unearthed with just one click on your server.