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GameMaker Studio is a cross-platform game engine developed by YoYo Games. It is primarily used to make 2D games via a drag-and-drop visual programming language or a scripting language known as Game Maker Language.

Here are 317 public repositories matching this topic...

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UnderminersTeam / UndertaleModTool

Star 1.8k

• Code
• Issues
• Pull requests

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

editor decompiler gml gamemaker game-maker undertale unpacker game-maker-studio-2 game-maker-studio deltarune

• Updated Feb 27, 2026
• C#

MapServer / MapServer

Star 1.2k

• Code
• Issues
• Pull requests

Source code of the MapServer project. Please submit pull requests to the 'main' branch.

c map web mapping engine geospatial wms gml gdal speed wcs foss4g ogc sos web-mapping osgeo mapserver wfs ogc-services ogc-api

• Updated Feb 26, 2026
• C

coppolaemilio / gamemaker-godot-dictionary

Sponsor Star 239

• Code
• Issues
• Pull requests

A dictionary for people moving from GM:S to Godot

gml gamemaker godot gdscript equivalent godot-dictionary

• Updated Oct 31, 2021
• HTML

deegree / deegree3

Star 166

• Code
• Issues
• Pull requests
• Discussions

Official deegree repository providing geospatial core libraries, data access and advanced OGC web service implementations

java metadata inspire iso geospatial wms gis spatial gml wcs ogc wmts wps osgeo csw wfs ows deegree

• Updated Feb 25, 2026
• Java

lofcz / SimplexRpgEngine

Star 165

• Code
• Issues
• Pull requests

Modular game engine built with MonoGame, with GMS2-like workflow and advanced level editor

game rpg games xna game-engine cpp kit engine simplex gml monogame game-maker rpg-engine rpg-tool monogame-framework monogame-extended game-maker-studio-2 yyc simplex-rpg-engine

• Updated Dec 8, 2022
• C#

halestudio / hale

Star 152

• Code
• Issues
• Pull requests

(Spatial) data harmonisation with hale»studio (formerly HUMBOLDT Alignment Editor)

java groovy scala database etl inspire xml geospatial-data gml transformation eclipse-rcp etl-framework hale hale-studio data-harmonisation humboldt-alignment-editor

• Updated Feb 26, 2026
• Java

evolutionleo / Warp

Star 143

• Code
• Issues
• Pull requests

Warp is a feature-rich framework for multiplayer games, written in GameMaker and NodeJS (previously GM-Online-Framework)

nodejs javascript framework typescript online multiplayer gml gamemaker tcp-server tcp-client warp gms2 js-framework gamemaker-language gamemaker-studio-2

• Updated Dec 22, 2025
• TypeScript

Muhammad4hmed / GML

Star 138

• Code
• Issues
• Pull requests

Auto Data Science - Python Library.

python pypi gml

• Updated Jan 12, 2021
• HTML

tudelft3d / azul

Star 115

• Code
• Issues
• Pull requests

3D city model viewer for Mac

metal gplv3 cgal obj gml citygml pugixml off poly azul 3d-city-model indoorgml cityjson

• Updated Sep 10, 2024
• C++

glebtsereteli / GMRoomLoader

Star 106

• Code
• Issues
• Pull requests
• Discussions

An award-winning GameMaker library for making room prefabs and loading room contents at runtime.

procedural-generation gml gamemaker level-design gms2 prefabs gamemaker-studio-2

• Updated Feb 14, 2026
• Game Maker Language

tudelft3d / val3dity

Star 102

• Code
• Issues
• Pull requests

Validation of 3D primitives according to the international standard ISO19107

validation gis cgal gml iso19107 3d-gis indoorgml cityjson

• Updated Feb 17, 2026
• C++

gm-core / gdash

Star 98

• Code
• Issues
• Pull requests

A functional utility library for GML/GameMaker: Studio - partials, map/reduce and more

utility gml gamemaker gamemaker-studio-2

• Updated Oct 9, 2021
• Game Maker Language

geopython / stetl

Star 88

• Code
• Issues
• Pull requests

Stetl, Streaming ETL, is a lightweight geospatial processing and ETL framework written in Python.

python pipeline etl inspire transformations gis gml osgeo data-conversion etl-framework streaming-etl

• Updated Jul 6, 2024
• Python

overbound / SonicTimeTwisted

Star 68

• Code
• Issues
• Pull requests
• Discussions

Source Code for a Sonic Fan Game Made in Game Maker Studio

game-engine platformer game-2d gml sonic-the-hedgehog gamemaker-studio

• Updated Jan 5, 2024
• Game Maker Language

mstop4 / FMODGMS

Star 61

• Code
• Issues
• Pull requests

🎶 GML bindings to the FMOD Studio low-level API for GM:S and GMS2. Can be used in Windows, macOS, and Linux games.

audio windows linux extension midi fmod-studio audio-visualizer sound gml gamemaker fft

• Updated Feb 23, 2024
• C

wmo-im / iwxxm

Star 56

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• Discussions

XML schema and Schematron for aviation weather data exchange

aviation weather xml gml pilot icao xml-schema schematron wmo aviation-weather annex-iii

• Updated Nov 25, 2025
• Python

coldrockgames / gml-raptor

Star 55

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• Issues
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• Discussions

The Framework For Game-Work

gamedev product state-machine animation game-development gml gamemaker gamemaker-studio-2-3 gml-raptor

• Updated Sep 21, 2025
• Game Maker Language

maiple / opengml

Star 54

• Code
• Issues
• Pull requests

GML interpreter

interpreter game-engine game-development gml gml-interpreter

• Updated Apr 24, 2023
• C++

Amsterdam / django-gisserver

Star 50

• Code
• Issues
• Pull requests

Django speaking WFS 2.0 to expose geo data

django geojson gml ogc geodjango wfs gis-server wfs-server team-datadiensten

• Updated Feb 4, 2026
• Python

tabularelf / lexicon

Star 50

• Code
• Issues
• Pull requests

Localization System for GameMaker

api library translation localization gml gamemaker gms2 gamemakerstudio2

• Updated Feb 21, 2026
• Game Maker Language

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Created by Mark Overmars

Released November 5, 1999

Followers 1.2k followers Website github.com/topics/gamemaker Wikipedia Wikipedia You can’t perform that action at this time.