Subterranean Expansion | Cave Update
Overhaul of underground caves in the overworld.
Screenshots
About this Mod
About Subterranean Expansion:
Subterranean Expansion enhances the underground experience of vanilla caves by introducing new natural features and unique cave environments to bring you the cave update we all actually wanted.
Stalagmites & Stalactites:
Stalagmites and Stalactites of all vanilla stone variants, and even some custom stone variants.
Stalagmites & Stalactites
In Release 1.0.0:
- Stone Stalagmite/Stalactite
- Mossy Stone Stalagmite/Stalactite
- Granite Stalagmite/Stalactite
- Diorite Stalagmite/Stalactite
- Andesite Stalagmite/Stalactite
- Deepslate Stalagmite/Stalactite
- Tuff Stalagmite/Stalactite
- Sandstone Stalagmite/Stalactite
- Deep Sandstone Stalagmite/Stalactite
- Calcite Stalagmite/Stalactite
Update 1.0.0: Desert Caves
IMPORTANT INFO:
This mod is a passion project that doesn't have a whole team behind it. We expect there to be bugs and we will try to fix them. The mod is still in active development and is planned to add more features. Other than that, enjoy our mod!
Recommended mods:
You should stock up on worldgen optimization mods, as this mod tends to slow it down a bit due to the added complexity. Here are a few:
FAQ:
Is there a config file?
Not currently, planned for the future.
Will you port to X mod loader?
No. We are going to currently use Forge for 1.20.1, although we are not opposed to do so in the future.
Where can I report bugs?
You can report in the issue tab.
Can I use this in my modpack?
Yes.
I have a suggestion, how do I suggest it?
You can suggest it in the issue tab with the suggestion tag.
Available Versions
How to Install Subterranean Expansion | Cave Update on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Subterranean Expansion | Cave Update". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.1
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Subterranean Expansion | Cave Update 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 4 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Subterranean Expansion | Cave Update compatible with forge and neoforge?
Subterranean Expansion | Cave Update officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Subterranean Expansion | Cave Update – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Subterranean Expansion | Cave Update 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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