There are 1,151 repositories under gamemaker topic.
Free, easy, portable audio engine for games
The most complete tool for modding, decompiling and unpacking Undertale (and other Game Maker: Studio games!)
A high-end code editor for GameMaker: Studio, GameMaker Studio 2.x, and more!
A curated list of awesome libraries, snippets, guides, and projects for GameMaker.
A dictionary for people moving from GM:S to Godot
The largest collection of useful general GML functions (AI, Linear Algebra - Vectors, Arrays, Structs, Strings, File Search, Conversions etc)
A feature packed and fully commented Super Mario engine for GameMaker: Studio 1.4.
A decompiler for GameMaker 8.x executables
Warp is a feature-rich framework for multiplayer games, written in GameMaker and NodeJS (previously GM-Online-Framework)
GameMaker 2022 LTS implementation of the Yarn narrative design language
Mega Man GameMaker Studio 1.4.1760 Engine
A classic Sonic framework for GameMaker
Various expansions to Steamworks SDK support in GameMaker: Studio / GMS2. (now merged into the official extension)
The most powerful 3D rendering solution for GameMaker
💡 Simple GameMaker lighting
Coroutines for GameMaker Studio 2.3.6+
2D lighting system for GameMaker Studio
A fangame of Geometry Dash made in GameMaker:Studio 2
An integrated development environment for AGD
A Hunger Games-like simulator game in which you throw people into an arena and watch them battle!
A random level generation example (similar to Nuclear Throne) using GameMaker Studio 2
Painfully learned lessons about GameMaker
A patcher that fixes issues in GameMaker 8.0 and 8.1 games.