CurseForge · Minecraft mod
Overworld Mirror
Just adds a new dimension that is nearly a mirror of the overworld
This page is having a moment, so a few details may be a little behind.
Quick answer
Which Overworld Mirror release should I use?
Overworld Mirror Overworld-Mirror-NeoForge-1.21.1-1.8.0.25 targets 1.21.1 with NeoForge. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. All 1 required mods have matching files.
Where it goes
Is Overworld Mirror required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does Overworld Mirror Overworld-Mirror-NeoForge-1.21.1-1.8.0.25 need?
Overworld-Mirror-NeoForge-1.21.1-1.8.0.25. Change the file and its required mods may change too.
Install U Team Core first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Overworld Mirror without breaking your instance.
Built for Overworld Mirror Overworld-Mirror-NeoForge-1.21.1-1.8.0.25. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Overworld-Mirror-NeoForge-1.21.1-1.8.0.25. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install U Team Core first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside Overworld-Mirror-NeoForge-1.21.1-1.8.0.25. It opens that exact file at the source.
About this project
What does Overworld Mirror add?
This mod adds a new dimension to the world which is a mirror of the overworld. You can adjust the seed, worldtype, generatorsettings and movement factor in the config file.
This mod require uteamcore!
The portal is created the following way:

Shift + right click a flower with the bonemeal

Here is a Video how to create the portal: https://i.imgur.com/lmkGDqE.mp4
This mod can be packed in every modpack you want :)
Sourcecode is linked above and is available under Apache License 2.0.
Report Bugs here: Issue Tracker on Github
Project description from CurseForge.
Pick your setup
Overworld Mirror by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
3 loader builds1.20.1
3 loader builds1.19.4
1 loader build1.19.2
1 loader build1.16.5
1 loader build1.15.2
1 loader build1.14.4
1 loader build1.13.2
1 loader build1.12.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Overworld Mirror versions and loaders
Overworld-Mirror-NeoForge-1.21.1-1.8.0.25
overworld_mirror-neoforge-1.21.1-1.8.0.25.jar
22 May 2025
Overworld-Mirror-Forge-1.21.1-1.8.0.25
overworld_mirror-forge-1.21.1-1.8.0.25.jar
22 May 2025
Overworld-Mirror-Fabric-1.21.1-1.8.0.25
overworld_mirror-fabric-1.21.1-1.8.0.25.jar
22 May 2025
Overworld-Mirror-NeoForge-1.21.1-1.8.0.24
overworld_mirror-neoforge-1.21.1-1.8.0.24.jar
4 Mar 2025
Overworld-Mirror-Forge-1.21.1-1.8.0.24
overworld_mirror-forge-1.21.1-1.8.0.24.jar
4 Mar 2025
Overworld-Mirror-Fabric-1.21.1-1.8.0.24
overworld_mirror-fabric-1.21.1-1.8.0.24.jar
4 Mar 2025
Overworld-Mirror-Forge-1.20.1-1.7.0.23
overworld_mirror-forge-1.20.1-1.7.0.23.jar
1 Jul 2023
Overworld-Mirror-Fabric-1.20.1-1.7.0.23
overworld_mirror-fabric-1.20.1-1.7.0.23.jar
1 Jul 2023
Overworld-Mirror-Forge-1.20.1-1.7.0.22
overworld_mirror-forge-1.20.1-1.7.0.22.jar
24 Jun 2023
Overworld-Mirror-Fabric-1.20.1-1.7.0.22
overworld_mirror-fabric-1.20.1-1.7.0.22.jar
24 Jun 2023
Overworld-Mirror-1.19.4-1.6.0.21
overworld_mirror-1.19.4-1.6.0.21.jar
23 Jun 2023
Overworld-Mirror-1.19.2-1.6.0.20
overworld_mirror-1.19.2-1.6.0.20.jar
2 Nov 2022
Looking for an older file? The official CurseForge project page is in Resources.