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Undertale/Deltarune

28 repositories

A tool to convert DELTARUNE Chapter 1&2 save files between PC and console editions of the game.

C# 21 Updated Sep 25, 2021

Rhenaud The Lukark's Create Your Frisk mod, used to create your own DELTARUNE-like encounters

HTML 30 17 Updated Apr 29, 2023

A work-in-progress modding tool geared toward UNDERTALE/DELTARUNE

C# 47 14 Updated Jan 10, 2024

Underune maker is a map maker for Undertale and Deltarune. It contains all the assets, and you can make and customize as many rooms as you want.

C++ 8 3 Updated Oct 11, 2021
Visual Basic .NET 7 1 Updated Sep 6, 2023

TranslaTale - An Undertale translation helper!

Visual Basic 32 8 Updated Jun 25, 2016

GameMaker: Studio data.win unpacker (mainly for Undertale) - NOTE: THIS IS A MIRROR OF THE GITLAB REPO.

C# 48 11 Updated Feb 14, 2021

Lua moddable Undertale engine in Unity 5.

C# 57 17 Updated Dec 20, 2017

Backup your Undertale save files and replace them with new ones temporarily.

Go 7 1 Updated Feb 23, 2018

Extracts from my How To Make An Undertale Fangame series.

Yacc 7 14 Updated Dec 31, 2022

Simple program by a simple person for simple people to simplify editing Undertale save files. Simple.

C++ 28 6 Updated May 1, 2024

UTMT project export script

C# 31 15 Updated Oct 8, 2022

The Undertale Corruptor.

C# 56 11 Updated Oct 6, 2021

Undertale SAVE editor

JavaScript 4 1 Updated Aug 15, 2024

A Save File Parser for Deltarune.

JavaScript 5 1 Updated Oct 9, 2021

A Save Editor for Deltarune Chapter 1 & 2

3 Updated Oct 5, 2021

Undertale SAVE editor

JavaScript 118 40 Updated Jun 14, 2022

An UNDERTALE fangame engine.

Game Maker Language 125 82 Updated Jan 12, 2025

Undertale Sans Fight Clone

569 559 Updated Jun 26, 2024

The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)

C# 1,287 247 Updated Mar 13, 2025

An archive of the "main" Google documents for the Spamton Sweepstakes dataminers

HTML 6 Updated Jan 30, 2023

undertale.sav converter

JavaScript 2 1 Updated Feb 11, 2022

Yet another Arch GNU/Linux distribution, full of [Hyperlink Blocked]

Shell 7 Updated Dec 16, 2023

GameMaker data.win unpacker/packer

C# 83 9 Updated Aug 2, 2023

An Undertale logo generator.

HTML 7 4 Updated Jan 6, 2023

Undertale src code

Game Maker Language 17 4 Updated Jun 26, 2024

Undertale src code

Game Maker Language 126 22 Updated Feb 9, 2019

DELTARUNE, UNDERTALE, and everything inbetween owned by TOBY FOX.

Game Maker Language 13 11 Updated Aug 4, 2023