No Overworld Generation

This project makes the overworld spawn void chunks, good for custom maps and such that you dont want to generate more default chunks

82 Downloads

fabricgame-mechanicsutilityworldgen

Rent Server with this Mod

Screenshots

About this Mod

NoWorldGen

NoWorldGen is a simple Minecraft mod (Fabric, 1.21.11 only) that completely removes natural overworld terrain generation. With NoWorldGen, all newly generated areas in the overworld will be empty void—no terrain or structures will appear.

This makes NoWorldGen ideal for:

Custom maps where you need the overworld to stay void except for what you build or import
Premade maps that require strict control over world boundaries
Servers or creative projects where you don't want any new terrain beyond your provided content

Supported Minecraft Version: Fabric Loader for Minecraft 1.21.11 only

Available Versions

No Overworld Generation 1.0.0release

MC 1.21.11fabric

February 8, 2026

How to Install No Overworld Generation on Your Server

Order Server

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

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

Install Mod

Open the mod browser in the dashboard and search for "No Overworld Generation". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

No Overworld Generation 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 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 No Overworld Generation compatible with fabric?

No Overworld Generation officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with No Overworld Generation – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if No Overworld Generation 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.