Onecraft + Undertale(Sadley cancled untill further notice)

This is my minecraft mod based on the game oneshot this adds serveral items, structures and characters from the game oneshot it adds 2 music discs, a new dimension, 9 new charaters and 5 paintings!

842 Downloads

forgeequipmentmagicmobs

Rent Server with this Mod

Screenshots

that red liquid from the refuge[OUTDATED]

About this Mod

What is this mod?💡

Two good games, minecraft and Oneshot what
if they were combinied into one universe?
Well this mod answers this never asked question before.

Features

5 New dimensions (2 not added will be realeased in next update)
18 new characters
New light
Niko + pancakes
A boss (next update)
5 structure(way more in the future)
Custom models for some blocks and items
3 new advancements(2 isnt out yet and more in the future)
The Sun

Usage💡

To use this mod, you need geckolib(
wont need to be used next update) and pehkui
on forge 1.20.1

Compatability

No known issues with bugs and stuff from other mods!
Unfotunatly is cancelled im not sure if ill make a remake or not but thansk for yall downloading it

Available Versions

onecraft 1.3.0release

MC 1.20.1forge

June 10, 2025

onecraft 1.2.5release

MC 1.20.1forge

June 6, 2025

onecraft 1.2.0release

MC 1.20.1forge

June 5, 2025

onecraftandshot 1.2release

MC 1.20.1forge

May 26, 2025

onecraftandshot 1.0.0 REALEASErelease

MC 1.20.1forge

May 24, 2025

How to Install Onecraft + Undertale(Sadley cancled untill further notice) on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

Install Mod

Open the mod browser in the dashboard and search for "Onecraft + Undertale(Sadley cancled untill further notice)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Onecraft + Undertale(Sadley cancled untill further notice) server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.

Is Onecraft + Undertale(Sadley cancled untill further notice) compatible with forge?

Onecraft + Undertale(Sadley cancled untill further notice) officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Onecraft + Undertale(Sadley cancled untill further notice) – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Onecraft + Undertale(Sadley cancled untill further notice) consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.