The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)
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Updated
Sep 7, 2026 - C#
The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)
A shoot-em-up made in 48 hours for the 20th gm(48) game jam.
Also known as DBGHELP.DLL; Scheduler resolution fix for GM:Studio and GM8.1 (not to be confused with Debugger Helper)
A proof of concept mod loader for Gamer Maker Studio games that uses UndertaleModLib to patch mods independently so multiple mods can be used at once.
GitHub-ReadMe-Bagdes displaying "Made With game Maker" with the Game Maker Icon, based on shields.io badges, in markdown
Syntax highlighting for GML (Game Maker Language) files in Notepad++
A collection of useful GML scripts for Game Maker Studio.
Run Chromium in GameMaker: Studio games!
Offline GML (GameMaker Language) formatter Allman & K&R style, zero dependencies. Built with AI because no good one existed and I needed it for cleaning my code.
A collection of free GameMaker assets/projects - Moved to: https://codeberg.org/pikku-a/gamemaker-assets
The program helps to correct inaccuracies in the conversion of projects from Game Maker 7/8 to Game Maker Studio 1 and GameMaker (Studio 2)
Make your game easily moddable from C++ DLLs
Low-level description of the format in which GameMaker Studio serializes ds_map objects.
Game Maker Gui Creator
Relative Neighborhood Graphs & Cellular Automata Generation Sandbox
Misc stuff related to game dev assets handling
Chrome Browser in GML compatible with Windows exporter only
A better timeline system for GameMaker Studio 1.x
Ludum Dare 42 Entry
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