ModsJava
Undertale Mod
Minecraft Java mod. Downloads from the MC Java Mods app on Android.
Download the short demo map - Link Removed: Mod Demonstration.rar [Link] First install the mod then the map if you want it! Credits: Toby Fox: Undertale's…
⬇ Download on CurseForge
Download the short demo map - Link Removed: https://www.mediafire.com/download/0o8sujacso57qs6/Undertale Mod Demonstration.rar [Link]
First install the mod then the map if you want it!
Credits:
Toby Fox: Undertale's creator
MCedit: Mod making tool
Quick facts
- 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.
File checked by MCModsHub
- Ships as Undertale Mod 1.0.3.jar — drop this file into the mods folder
- Download size: 4.6 MB
- Download link checked 23 Sept 2026 — working
These come from our own check of the pack file, not from the source page.