ModpacksJava
Undertale
Java modpack listed for Minecraft 1.21. File opened and checked on 28 Sep 2026; downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
This is a fully functional Minecraft recreation of Undertale! (Part 1-2 of 6)
This beta contains the RUINS & SNOWDIN.
Including:
- 18 Enemy Types
- 5 Boss Fights
- 17 Different Encounter Types
- 8 Routes
- All Items
- Full Story
- All Easter Eggs
- Customizable Soul Color
- Voice Acting
- Custom Skin Support
- Custom Models, Builds, & Animations
- And so much more!
Credits:
Main Team:
Specil Thanks
- AnimalMace
- Shayy
- OceanBagel
- Kyle(Pink Sheep)
- AWML
- MrMinerMan21
- KaiCoyote
- MangoJuice
- Powpow
- Loot Labs
- SamGladiator
Play Testers:
- NoteBlockMatt
- MangoJuice
- AWMLGaming
- oChocolate
- SnaveSutit
- SamGladiator
- Sebushtin Bush
- Lolgan
- Ktsnii
- Tem4ik
- AshIsReal
- AnimalMace
- Tito_Lootlabs
- IamMaker
- Seagoleri
- CookieBunsquat
- Powpow
- Knarfy
- Mayor05
- iCats
Go Watch the Video!
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- 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 Modrinth — 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
- Downloads as Undertale 0.0.5.mrpack
- Download size: 92.3 MB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.