Fantastic Worlds (WorldGeneration)

A mod all about tweaking your World-Generation. Adjusted Generation-Parameters for rougher Terrain.

6.1K Downloads

fabricforgeadventuregame-mechanicsworldgen

Rent Server with this Mod

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About this Mod

Fantastic Worlds

A mod all about tweaking your World-Generation. Adjusted Generation-Parameters for rougher Terrain.

Rougher and Higher Mountains for the little Extra and a more interesting exploration. A Forest in the front and higher frozen mountains in the back.

Features

New Build-Height: 512 (before 320)
New World-Depth: -128 (before -64)
Lava-Level: -114 (before -54)
Rougher Terrain and higher Mountains - even reaching beyond a height of 320 Blocks!
Adds an own Custom-World-Preset (1.2.0 and beyond)

This mod replaces Minecraft’s default world generation. Simply create a new world and start exploring!

More dynamic Worlds. A very rough Desert with several Dunes, swinging up and down, as well as even more rough Badlands in the far distance.

General Information

This mod currently supports Fabric and Forge in 1.20 to 1.20.4, as well as 1.21 and beyond.

Ensure you’re using the appropriate version of the API.

Available Versions

1.21.4release

MC 1.21.4fabric

June 7, 2025

1.21.4release

MC 1.21.4forge

June 6, 2025

1.21.3release

MC 1.21.3forge

June 6, 2025

1.21+release

MC 1.21, 1.21.1forge

June 6, 2025

1.20+release

MC 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4forge

June 3, 2025

How to Install Fantastic Worlds (WorldGeneration) 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 (1.21.5).

Install Mod

Open the mod browser in the dashboard and search for "Fantastic Worlds (WorldGeneration)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforge

Minecraft Versions

1.21.5, 1.21.4, 1.21.3 (+8 more)

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Fantastic Worlds (WorldGeneration) 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 (1.21.5). You can switch loaders with one click in the panel.

Is Fantastic Worlds (WorldGeneration) compatible with fabric and forge?

Fantastic Worlds (WorldGeneration) officially supports fabric, forge for Minecraft 1.21.5, 1.21.4, 1.21.3. 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 Fantastic Worlds (WorldGeneration) – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Fantastic Worlds (WorldGeneration) 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.