Parallel World
Minecraft Java mod. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeCreate a parallel world for the overworld and the nether.
Similar with Overworld Mirror , but it not work at 1.7.10. I play 1.7.10 with mod now so I wrote one, and add additional dimension for nether.
Use hay bale to create portal to enter parallel overworld.
Use soul sand to create portal to enter parallel nether.

Exactly same as original world terrain generation unless you change the "seed_offset" in config file.
Mod ores and structures or biomes will also generate in parallel world.
Activate portal with:

Source code:https://github.com/HuJK/MCMod_Parallel-World/
Change log:
1.0.0: Firse release
1.0.2: Fix MCreator bug (Too many zombie pigman spawn in portal block)
1.0.3: Remove some useless code generate by MCreator
1.0.6: Change config filename from "prallelWorld.cfg" to "ParallelWorld.cfg"
1.0.7: Fix MCreator bug (Portal block is ubbreakable in survival mode)
Fix the biome of Nerher is not hell
1.0.8: Fix bug for incorrect xp display
Mods made with MCreator.
- Edition: Minecraft Java
- File type: .jar
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as ParallelWorld.jar — drop this file into the mods folder
- Download size: 58 KB
- Download link checked 13 Oct 2026 — working
These come from our own check of the pack file, not from the source page.