CurseForge · Minecraft mod
OneLayer
Superflat world with all biomes and structures
Quick answer
Which OneLayer release should I use?
onelayer-0.7.0.jar targets 26.2 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is OneLayer required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does onelayer-0.7.0.jar need?
onelayer-0.7.0.jar. 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-0.7.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use onelayer-0.7.0.jar. It targets 26.2 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
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside onelayer-0.7.0.jar. It opens that exact file at the source.
About this project
What does OneLayer add?
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, I'm open to feedback and suggestions ! Join my Discord or contact me directely via CurseForge.
Project description from CurseForge.
Pick your setup
OneLayer by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.1
1 loader build1.20.1
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
onelayer-0.7.0.jar
7 Sept 2026
onelayer-0.6.0.jar
23 Jun 2026
onelayer-0.6.0.jar
23 Jun 2026
onelayer-0.6.0.jar
22 Jun 2026
onelayer-0.6.0.jar
21 Jun 2026
onelayer-0.6.0.jar
21 Jun 2026
onelayer-0.5.0.jar
17 Jun 2026
onelayer-0.5.0.jar
30 Apr 2026
onelayer-0.5.0.jar
30 Apr 2026
onelayer-0.5.0.jar
30 Apr 2026
onelayer-0.5.0.jar
30 Apr 2026
onelayer-0.4.4.jar
21 Apr 2026
Looking for an older file? The official CurseForge project page is in Resources.