Undertale mod
This mod, published by Maximusuperplus, brings weapons and armor from the games into Minecraft, shown here as the Yellow weapons armors set.
What it does
The mod adds weapons and armor drawn from the games' content. Its features include a version of Storyshift's True Knife that can fire lasers, and an armor set that grants extra hearts to the player wearing it. The author describes these items as weapons and armor taken from the source games.
Installation needs Forge for Minecraft 1.19.2 and the Curios API, which is listed as a required dependency. The server and every player need the mod installed. Files are available for Forge only, for 1.19.2, and the latest file is 1.3.0, dated 2024-08-03. The code is released under All rights reserved and is not open source.
Key features
Storyshift's True Knife
A version of the True Knife from Storyshift's fan work that can shoot lasers at targets.
Extra-heart armor
An armor set that adds extra hearts to the player who wears it, following the games' theme.
Yellow content items
Weapons and armor pieces drawn from the Yellow game alongside the original content.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Combat on a Forge server
Server owners who want these weapons in their survival or adventure world can add the mod to a Forge server, since the server and players all need it.
Roleplay builds
Players recreating scenes from the games can equip the knife and armor as costume pieces.
Who it’s for: Players who follow these games and want their weapons and armor in Minecraft 1.19.2, and server owners running Forge with the Curios API installed.
How it compares
Underforge is a Forge mod for 1.20.1 that is also client and server and not open source, so it targets a later version. Real Knife: Determination is also a Forge mod for client and server, but it is built for 1.16.5 and is not open source. Undertale Soul Weapons is a Forge mod for 1.20.1 under the Apache License 2.0, which is the only option here that is not All rights reserved.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Undertale mod | Forge | 1.19.2 | Client and server | 2024-08-03 |
| Underforge | Forge | 1.20.1 | Client and server | 2024-05-04 |
| Real Knife: Determination | Forge | 1.16.5 | Client and server | 2026-08-05 |
| Undertale Soul Weapons | Forge | 1.20.1 | Client and server | 2024-05-29 |
Questions
Does this mod need the Curios API?
Does the server need the mod as well?
Which game version does the mod support?
In the catalog
Undertale mod is one of 17,631 Equipment mods on ModsFinder, and one of 9,216 Equipment mods for Forge. 12,559 mods support Minecraft 1.19.2.
More from Maximusuperplus
Similar mods
Official listing
- Modrinth page
- modrinth.com/mod/undertale-mod
- Owner
- Maximusuperplus
- Published
- 2024-02-29
- Updated on Modrinth
- 2024-08-03
- Facts verified
- 2026-10-15