The Flatworld

The Flatworld is a new dimension where you can build whatever you want in a superflat world-like environment with no mobs, structures or weather!"

by romobossWorld generation

Fabric

Loaders: Fabric
Downloads on Modrinth: 720
Followers on Modrinth: 7
versions: 3
Updated: July 4, 2026Jul 4
Published: in 2025

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The Dimension Portal Block — A showcase of the Dimension Portal Block along with the recipe used to craft it. · swipe

At a glance

Runs on Fabric

For Minecraft 1.21.8–1.21.11, 26.2

Needed in the game and on the server

Latest version — 1.1.1 from July 4, 2026

Requires Fabric API

License MIT — free

Where it's needed

In gamerequiredOn serverrequired

Needed both in the game and on the server

Game versions1.21.8–1.21.11, 26.2

Ever wanted to just build to express your creativity, but terrain was in your way? Let that problem dissappear, by going into the Flatworld!

The Flatworld is a superflat world-like environment with no mobs, structures or weather!

Instructions on how to access the Flatworld

Gather a lot of Slimeballs
Smelt Slimeballs in a furnace to gather Molten Slimeballs
Craft Thick Slime Blocks using a regular Slime Block surrounded by 8 Molten Slimeballs
Create a Dimension Anchor Block using a Thick Slime Block, a Molten Slimeball, three Amethyst Shards and four Planks.
Enter the Flatworld!

The Flatworld consists of 16 layers of blocks:

Grass -> 1st Layer
Dirt -> 2nd-4th Layer
Stone -> 5th-8th Layer
Deepslate -> 9th-14th Layer
Bedrock -> 15th-16th Layer

Hope you enjoy it!

FAQ

How to install The Flatworld?

Install Fabric for your Minecraft version, download The Flatworld for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does The Flatworld support?

The Flatworld has builds for Minecraft 1.21.8–1.21.11, 26.2.

Is The Flatworld needed on the server?

Needed in the game and on the server

License and source

MIT Licensefree to use and share with credit to the author

Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders