CurseForge · Minecraft mod
Old Mesa Expansion
This mod adds 4 new mobs and a new dimension!
Quick answer
Which Old Mesa Expansion release should I use?
Old Mesa Expansion old_mesa_expansion-1.0.0-neoforge-26.1.2.jar targets 26.1.2 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 Old Mesa Expansion 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 Old Mesa Expansion old_mesa_expansion-1.0.0-neoforge-26.1.2.jar need?
old_mesa_expansion-1.0.0-neoforge-26.1.2.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 Old Mesa Expansion without breaking your instance.
Built for Old Mesa Expansion old_mesa_expansion-1.0.0-neoforge-26.1.2.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use old_mesa_expansion-1.0.0-neoforge-26.1.2.jar. It targets 26.1.2 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 old_mesa_expansion-1.0.0-neoforge-26.1.2.jar. It opens that exact file at the source.
About this project
What does Old Mesa Expansion add?
Old Mesa Expansion Adds 4 new mobs that you can find in the new old mesa dimension, you can build the portal to this strange new world with a nether portal frame built of cobblestone and then craft the portal igniter with 1 cobblestone and 4 cobbled deepslate surrounding it, you can also craft the new Music Disc with the new block scorched sand, Have Fun!
Project description from CurseForge.
Pick your setup
Old Mesa Expansion by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Old Mesa Expansion versions and loaders
old_mesa_expansion-1.0.0-neoforge-26.1.2.jar
9 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.