Ready to install?

Undertale Additions undertale Additions Release

Check the game version, loader and dependencies below, then grab this exact release.

CurseForge release

undertale_stuff-1.0.0-neoforge-1.21.1.jar

undertale Additions Release

Game
1.21.1
Loader
NeoForge
Published
10 Sept 2025
Channel
release
File size
803.3 KB

SHA-10377e206fde05bec45fd1760aad83aa10abddb2f

Where this file goes

Client, server, or both?

Client Source doesn’t say
Dedicated server Source doesn’t say

The source does not explicitly classify this release as client-only or server-only.

Dependencies for this release

What else does it need?

No required project dependencies are listed for this release.