
Modrinth · Minecraft mod
OneLayer
Superflat world with all biomes and structures
Quick answer
Which OneLayer release should I use?
OneLayer 0.7.4 targets 26.3 with NeoForge. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.
Where it goes
Is OneLayer required on the client, server, or both?
Do not install it on the client. It must be installed on the dedicated server.
This file is marked server-only.
What else does OneLayer 0.7.4 need?
0.7.4. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add OneLayer without breaking your instance.
Built for OneLayer 0.7.4. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 0.7.4. It targets 26.3 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Do not install it on the client. It must be installed on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 0.7.4. It opens that exact file at the source.
About this project
What does OneLayer add?
Description
This mod generates a flat world that includes all the biomes and structures of a regular world.
It allows you to recreate a superflat world while still being able to experience a full adventure within it.
🛠 Configuration
A configuration file named onelayer-common.toml can be found in the config folder or directly in-game, it allows you to adjust world generation and certain behaviors to better fit your adventure, server, or modpack.
🌳 Server :
You can test it by adding the following parameter to your server.properties file:
level-type=onelayer\:onelayer
It’s recommended to add this parameter before creating your world.
🌴 Client :
Select One Layer on generation type
⚒ Informations
📜 If you're interested in using it or feel some features are missing, feel free to contact me or create an issue, I'm open to feedback and suggestions ! Join my Discord or contact me directely via Modrinth.
Project description from Modrinth.
Pick your setup
OneLayer by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
1 loader build26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.1
1 loader build1.21
1 loader build1.20.1
1 loader build1.20
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
OneLayer versions and loaders
0.7.4
onelayer-0.7.4.jar
25 Oct 2026
0.7.3
onelayer-0.7.3.jar
12 Oct 2026
0.6.1
onelayer-0.6.1.jar
4 Oct 2026
0.6.1
onelayer-0.6.1.jar
4 Oct 2026
0.7.1
onelayer-0.7.1.jar
23 Sept 2026
0.7.1
onelayer-0.7.1.jar
19 Sept 2026
0.7.1
onelayer-0.7.1.jar
19 Sept 2026
0.7.0
onelayer-0.7.0.jar
7 Sept 2026
0.6.0
onelayer-0.6.0.jar
23 Jun 2026
0.6.0
onelayer-0.6.0.jar
23 Jun 2026
0.6.0
onelayer-0.6.0.jar
22 Jun 2026
0.6.0
onelayer-0.6.0.jar
21 Jun 2026
Looking for an older file? The official Modrinth project page is in Resources.