Undertale
Undertale is a video game by Toby Fox. Released in 2015, The game is about the player controlling a small child who fell into a pit near mount ebott. And separated by a magical barrier created by the humans in the past. You have to go though a journey back to the surface while coming across monsters. You can opt to spare monsters or kill them. There are many endings depending on how you play the game
- GitHub: https://github.com/topics/undertale
- Wikipedia: https://en.wikipedia.org/wiki/Undertale
- Created by: Toby Fox
- Released: September 2015
- Related Topics: video-game, role-playing-game, rpg, deltarune, gamemaker, bullet-hell,
- Aliases: under-tale,
- Last updated: 2026-03-10 00:28:36 UTC
- JSON Representation
https://github.com/UnderminersTeam/UndertaleModTool
The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)
decompiler deltarune editor game-maker game-maker-studio game-maker-studio-2 gamemaker gml undertale unpacker
Last synced: 20 Feb 2026
https://github.com/underminersteam/undertalemodtool
The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)
decompiler deltarune editor game-maker game-maker-studio game-maker-studio-2 gamemaker gml undertale unpacker
Last synced: 08 Jan 2026
https://github.com/colinator27/dogscepter
A work-in-progress modding tool geared toward UNDERTALE/DELTARUNE
deltarune modding modding-library modding-tools undertale
Last synced: 21 Jul 2025
https://github.com/seanpm2001/underune_maker
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.
cplusplus cpp cpp-language deltarune gaming gpl3 gplv3 map-maker md pc-gaming txt undertale underune underune-maker video-games wiki yaml yml
Last synced: 13 Oct 2025
https://github.com/bigcoke233/floweystimemachine
🌻 小花的时间机器 / Undertale 存档修改器
Last synced: 10 Apr 2025
https://github.com/kockaadmiralac/uty-save-editor
Save editor for Undertale Yellow.
react save-editor tailwindcss typescript undertale undertale-yellow
Last synced: 13 Apr 2025
https://github.com/the-pink-hacker/ti-sans-undertale
A WIP recreation of the Sans boss fight from Undertale for the TI-84+CE.
clone sans-undertale ti-84-plus-ce ti84pce ti84plusce undertale undertale-battle undertale-battles undertale-sans video-game video-game-clone wip
Last synced: 02 Aug 2025
https://github.com/sertrafurr/deltarune-debug-script
Here is a script to enable the Debug mode on all Deltarune Chapters ! Feel free to report any error
code csharp deltarune lua script scripts undertale undertalemodtool
Last synced: 01 Jul 2025
https://github.com/SertraFurr/Deltarune-Debug-Script
Here is a script to enable the Debug mode on all Deltarune Chapters ! Feel free to report any error
code csharp deltarune lua script scripts undertale undertalemodtool
Last synced: 01 Jul 2025
https://github.com/kckarnige/BadTimeReimagined
* here we go, again. | A Bad Time Simulator mod
bad-time-simulator mod simulator undertale
Last synced: 20 Aug 2025
https://github.com/benlubar/tobytas
A tool-assisted speedrun of Toby Fox's Undertale and Deltarune, played simultaneously with the same inputs.
deltarune tool-assisted-speedrun undertale
Last synced: 05 Mar 2025
https://github.com/benjaminurquhart/diannexparser
WIP Diannex modding tool.
game game-development game-modding java modding tsunderswap undertale
Last synced: 29 Mar 2025
https://github.com/vladistep/undertalerusinstaller_gui
Установщик русификатора для Undertale/NXTale.
crossplatform crossplatform-gui gamemaker gui installer modification translation undertale
Last synced: 19 Apr 2025
https://github.com/lazypwny751/grubtale
Undertale theme for Grub.
grub grub-theme grub2-theme undertale
Last synced: 27 Dec 2025
https://github.com/kvba0000/df-localchat-gen
Generate any message that will look like it was from DF!
deltarune dontforget undertale
Last synced: 19 Jan 2026
https://github.com/skyuoi/zenith
A game about undertale and terraria written in rust,godot and gdscript under rapid development
game game-dev game-development gamedev gdscript godot godot-engine godot-game godot4 godotengine rust rust-lang terraria undertale undertale-au
Last synced: 24 Oct 2025
https://github.com/mrpowergamerbr/friskeuphoria
📦 A WIP unpacker/repacker for Undertale v1.06
Last synced: 11 Nov 2025
https://github.com/dmuth/undertale-deltarune-resources
Undertale and Deltarune Resources
Last synced: 30 Jan 2026
https://github.com/sertrafurr/deltarune-malware-poc
Wanted to make this i was bored
deltarune exploit malware poc undertale undertalemodtool virus
Last synced: 01 Jul 2025
https://github.com/evertondev2002/undertale-ultra-basic
Jogo simples com o módulo Turtle do Python | Primeiro trabalho individual | Fundamentos de programação
Last synced: 15 Oct 2025
https://github.com/patoflamejantetv/chihuahua
VB.NET Image and Sound testing, displays Samsung's Chihuahua Easter Egg
chihuahua demo dog dotnet samsung test undertale vb-net visual-basic visual-studio
Last synced: 24 Oct 2025
https://github.com/sultansagitov/undertalebattle
Godot fan game based on Undertale
csharp game game-development game-engine godot godot-engine godot-mono godot4 undertale undertale-au undertale-battles
Last synced: 29 Mar 2025
https://github.com/fulcrum101/ai_tic_tac_toe_undertale_style
TicTacToe Undertale style in terminal with ai (greedy epsilon algorithm).
ai epsilon-greedy game machineleraning ml pygame terminal-game tic-tac-toe undertale
Last synced: 04 Mar 2025
https://github.com/turitoyuenan/planet-kearth
A (Discontinued) Worldbuilding Project by Turito and BeeBee
undertale undertale-au worldbuilding
Last synced: 05 May 2025
https://github.com/lazypwny751/flowey
"flowey" is like "cowsay" but for undertale universe.
ainsi chafa cowsay cowsay-clone deltarune ponysay undertale
Last synced: 27 Aug 2025
https://github.com/bradensmg/love2d-undertale
canned! this isn't coded well (as presumed because this is my first love2d project). unprivated so people can check it out anyways lol
Last synced: 03 May 2025
https://github.com/sawby08/love2d-undertale
canned! this isn't coded well (as presumed because this is my first love2d project). unprivated so people can check it out anyways lol
Last synced: 02 Aug 2025
https://github.com/ryandvl/undyne-game-py
Undyne Fight - Undertale Fan Game made in Python with Pygame
Last synced: 30 Jun 2025
https://github.com/sjkim04/uuig
A Python game heavily inspired by UNDERTALE.
Last synced: 20 Jun 2025
https://github.com/orbitaldot/utmc
A chunk-based mining sandbox within Undertale
Last synced: 04 Feb 2026