Simple Structures: Caves

Adds structure to vanilla-style caves

6.2K Downloads

datapackfabricforgeneoforgequiltadventuredecorationworldgen

Rent Server with this Mod

Screenshots

About this Mod

Adds small decorative structures, shelters, halts, and dungeons to the cave. At the moment, 34 structures have been added

structures from the mod

All projects are Simple Structures

Roadmap

In the future, I plan to add:

Compatible with other cave mods
New structures and more variations.
more custom mobs and loot tables

Integration:

Vanilla Biome
Terralith
Biomes O' Plenty

Available Versions

Simple Structures Caves 26.2alpha

MC 26.2-snapshot-2, 26.2-snapshot-3, 26.2-snapshot-4, 26.2-snapshot-5, 26.2-snapshot-6, 26.2-snapshot-7, 26.2-snapshot-8, 26.2-pre-1, 26.2-pre-2, 26.2-pre-3, 26.2-pre-4, 26.2-pre-5, 26.2-pre-6fabric, forge, neoforge

May 7, 2026

Simple Structures Caves 26.1alpha

MC 26.1, 26.1.1, 26.1.2fabric, forge, neoforge

March 25, 2026

Simple Structures: Caves 26.1alpha

MC 26.1, 26.1.1datapack

March 25, 2026

Simple Structures Caves 1.20.1alpha

MC 1.20.1fabric, forge, neoforge, quilt

March 22, 2026

Simple Structures: Caves 26.1 pre 3alpha

MC 26.1-pre-3, 26.1-rc-1datapack

March 19, 2026

How to Install Simple Structures: Caves on Your Server

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (26.2-pre-6).

Install Mod

Open the mod browser in the dashboard and search for "Simple Structures: Caves". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

datapackfabricforgeneoforgequilt

Minecraft Versions

26.2-pre-6, 26.2-pre-5, 26.2-pre-4 (+23 more)

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Simple Structures: Caves server crashes on startup – what to do?

Most common cause: wrong datapack 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 (26.2-pre-6). You can switch loaders with one click in the panel.

Is Simple Structures: Caves compatible with datapack and fabric and forge and neoforge and quilt?

Simple Structures: Caves officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.2-pre-6, 26.2-pre-5, 26.2-pre-4. 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 Simple Structures: Caves – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Simple Structures: Caves 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.