Pack of things from Undertale
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
Adds some stuff from the game Undertale:
Weapons and armors:
- Toy Knife (can be found in mineshafts and ruined portals)
- Faded Ribbon (can be found in mineshafts and ruined portals)
- Tough Glove (can be found in igloos and bought from leathersmith)
- Manly Bandanna (can be bought from leathersmith)
- Ballet shoes (can be dropped by a special bushes found in underground lush caves and dripstone caves)
- Old Tutu (can be found in a buried treasure)
- Torn Notebook (can be bought from Gerson)
- Cloudy Glasses (can be bought from Gerson)
- Burnt Pan (can be found in nether fortresses, bastion treasure chests and in special lab structures)
- Stained Apron (can be found in nether fortresses, bastion treasure chests and in special lab structures)
- Empty Gun (can be found in a trashbag from fishing)
- Cowboy Hat (can be found in a trashbag from fishing)
- Temmie Armor (can be bought from Temmie)
Item's abilities and statistics can be seen by reading that item's description.
WARNING: Undertale items CANNOT be enchanted. Trying to use an enchanted item will remove enchantments from it.
Mobs:
- Gerson (can be found in a new underground shops)
- Temmie (spawned by dropping a Tem Egg on the ground for some time)
Structures:
- Gerson shops (found underground or spawned by a Turtle Compass)
- Bushes (found underground)
- Lab (found in the nether, contains Burnt Pan and Stained Apron)
- Ender Core (found in the end, contains 1 multisoul)
Trashbags:
Trashbags can sometimes be found while fishing. They can be opened to get one of this items:
- Some Junk Food (30% chance)
- Dog residue (20% chance, Right Click dog residue to get more and potentially get a dog salad)
- Empty Gun (20% chance)
- Cowboy Hat (20% chance)
- Tem Egg (10% chance)
TRASHBAGS COUNT AS FISHES! Which means that Luck of the Sea will DECREASE a chance of getting one.
Multisouls:
Found in the end, they can be right-clicked to choose 1 undertale armor or weapon (not including Temmie Armor). The multisoul will be converted to that item.
Bonuses:
There are also some bonus items (for example temmie village disc) which can also be bought from Temmie or Gerson, or by opening trashbags)
Disclaimer: This mod was made for fun and most likely won't get any updates
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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 undertale_mod-1.0.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 1.2 MB
- Download link checked 8 Nov 2026 — working
These come from our own check of the pack file, not from the source page.