awesome-gamemaker

Tutorials from Shaun Spalding. A comprehensive introduction to basic features of the IDE. Highly recommended to check out the full playlist if you're a complete beginner

Tutorials from DragoniteSpam that dive into more advanced topics related to the GML language. They also have comprehensive 3D and shader introduction videos

For pixel art, is a popular alternative to the native sprite editor. 💸

Aseprite's source code

can be compiled for free

Schedule routine backups for projects. If you are dealing with larger media files in your repo, try

Foundational utility suite and a great starting point for new GameMaker projects. Comes with quality of life methods, networking tools, testing framework, delta timing, and more

FAST

Flexible Assistant Toolkit. Similar to gm-core but comes with input and resolution handling

Pipeline Development Kit. Includes cross-project imports, batch-creating/updating sprites and sounds, texture page management, and more. Tested on Windows only

DDDEditor

General purpose game editor

handytools

A collection of Juju's libraries in one convenient project

GameMaker Scaffolding

Another cool all-encompassing template with a focus on building low-res, tile-based games

Iota

Lightweight timestep library

Stopwatch

GameMaker alarm replacement

Robust alternative for alarms

FrogAlarm

Another easy alternative to GameMaker alarms

fuwafuwa

Easy-to-use timer system

Timer

Timer methods based on setTimeout and setInterval from JS

Broadcast

Event handling library

Polarca

Interpolation functions

Easing function similar to lerp()

Coroutines

Asynchronous functions for GameMaker

GML-OOP

A constructor library for operating the primary functionalities of GameMaker

GML-Classes

Another project that adds OOP functionality to GameMaker

Map

Hash table implementations

Matrices

A collection of matrix handling scripts

gm-stream

Data structure manipulation

Promises

An adaptation of JavaScript Promises

Destructors

Allows you to use ds_* types such as lists and maps inside of structs

SNAP

Easy data format saving and loading. Please note that newer versions of GameMaker contain and . However, if you are converting csv, ini, xml, etc, you may find this very useful

Dynamo

Dynamic data loader

LWO

Lightweight objects using structs

Gumshoe

Simple deep file search function

Lock And Key

String and file encryption

Mathematical Scripts

A collection of math scripts

Seedpod

A collection of scripts to improve the GML programming experience

Juices up your game with useful functions

CoreExtension

A collection of CC0 programming libraries. (archived)

Voxeledphoton's FreeGMScripts

Additional GML helper functions. Some may be out of date with 2.3+ syntax

ForEach

Adds a foreach implementation for arrays, ds_lists, ds_maps, ds_stacks, ds_queues, ds_priorities and structs

DeepCopy

Deep clone class instances / constructed structs, anonymous structs and arrays nested in any order!

Provides replacement methods for built-in motion variables

Cottonwool

Safe surfaces without memory leaks

Canvas

Another great solution for surface management

Simple compression/decompression functions

Windows only. Flash the game window border and/or its taskbar button

GMSDLL

A template project for building DLLs for GameMaker

A suite of various extensions

GMLodash

Functional programming in GML

Autoframer

Automatically handles resizing the game view across different display and window sizes

gameframe

Custom window caption and border for Windows

A script collection with a goal to "fill the gaps" in GML. 💸

Livecoding / interactive programming. 💸

GMEdit

Code editor to use in conjunction with GameMaker

Makes files for you

Rubber

Compile GameMaker projects via the command line. Here's a on how to use it

gml-highscorer

Highscore and trophy system

SSave

Simple file saving system

GMD3D11

A DLL for interfacing with Windows Direct3D

GMTimeLine

A pure code alternative to GameMaker timelines

Catspeak

Cross-platform programming language for modding support

GMBenchmark

A tool to benchmark GML code

Agenda

Schedule and delay the execution of callbacks

Experimental tool to define unlimited code snippets in the IDE

Airkiver

Game file archive tool

OKColor

An okay color manager for implementing OKLab/OKLCH colors

Exception

A base class for custom exceptions

ArrayList

The most complete list class. Garbage collected, fast sort function, [] accessor and referencing as an array

GM Sysinfo

Cross-platform extension for getting system information and resource usage

rt-shell

Easy to use in-game shell. Create your own commands, command meta data, command suggestions, history, etc

Olympus

Testing Framework

Crispy

Unit testing in GameMaker

Snitch

Crash and logging system

Small log writer

gms2-test

Unit testing framework

Meta

Runtime asset inspector

Pretty framerate display

Duck

A fast GML analyzer to enforce code styling and detect errors

Gobo

An opinionated code formatter for GML

Inspectron

A fluent API for easily creating GameMaker debug views

Input

No nonsense gamepad/keyboard library

Another library to handle multiple inputs for a single action

InputCandy

Similar to Input as it acts as a wrapper for SDL, but also provides testing, on-screen diagnostics, and some other UI components related to peripherals

Good Vibes

Device vibration

Mouse Queue

Tracks the Windows mouse pointer with high precision

System-level custom cursors. 💸

Scribble

Efficient multi-effects text renderer

Another easy to use, highly compatible text renderer

Chatterbox

Narrative scripting tool

Textboxy

Simple textboxes

Crochet

An interactive dialogue editor for writers and programmers

NotificationSystem

Notifications in GameMaker

YUI

A UI system with live reloading, template system, data binding, and a drag and drop feature

Guido

Simple immediate mode GUI framework

GMUI-Framework

A pure GML solution to structure and control your menus, drawing parallels to .NET UI

GMS2-UI-Library

A Library Full of useful scripts for implementing your UI designs in GameMaker

Emu UI

Common UI elements (text input, checkboxes, radio buttons, dialog boxes, etc)

Simple implementation to have a menu up and running in seconds. Seems like a great fit if you're not looking for a bigger solution like GMUI

Another smaller implementation but has a cool animation between menu options

Generic Inventory System

DLL/GML wrapper of Dear ImGui

GUI implementation from Niris Games

FriendlyCosmonaut

Pixelated Pope

zitk

Another interesting, Dear ImGui-inspired GUI toolkit. In development, but worth keeping an eye on

Sprite-based UI Library for GameMaker LTS

SimpleUI

Minimalistic UI framework

polyglot

Localization library

gm-i18n

Internationalization of texts simply and quickly, using JSON files

lexicon

Another localization solution focused on simplifying implementation

GMLocalize

Not a full localization solution. Extracts text strings for localization from a GameMaker Studio 2 project and saves it to a JSON file

Small Pentapop Localization Tool

Similar export tool to GMLocalize but exports to a csv

gms2-mofile

Mofile reader used for localization

Loj Hadron Collider

A robust, pixel-perfect collision engine

A tutorial to implement 45° slopes

GameMaker implementation by Ben Allen and an expansion on Shaun Spalding's original 1.4 platformer tutorial

Inverse Kinematics Extension

A library for working with inverse kinematics

Verlet integration by Sarek Lambert

GMVerlet-Integration

Verlet integration example used for visuals

Robust object-based collision system from Pixelated Pope

AESnips

A sprite playback system

phgen

Placeholder asset generation

Disarm

A spriter skeletal animation at runtime

Spritely

Image correction and cleanup for 2D video game sprites

PixelUpscaler

Pixel art upscaling shader for awkward resolutions for GameMaker

Automatically syncs aesprite files in GameMaker

conveyorbelt

Similar to ASESync. Export Aesprite files to GameMaker sprites

Collage

Texture page builder and image manager. Mimics GameMaker's texture page packing while offering higher flexibility

FML

GameMaker bindings for the FMOD Studio API

FMODGMS

This doesn't support everything FMOD has to offer and the project itself has been put on-hold

Optimized delay effect. 💸

wavload

Demonstrates how to externally load .wav files

audioExt

Sound External Loader/Unloader Manager

ExternalAudio

Load external .wav files at runtime

Phonix

Compact audio system. Great for dynamic music!

Vinyl

Live updating audio system

LineAudio

Audio helper functions

Bard

An engine for desiging and implementing good audio in GameMaker. Updated to make use of the more recent GameMaker audio effects

LDtk Importer

LDtkParser

Advanced LDtk Importer

Room Data Inspector

Collects room data and stores it into a JSON for later use

Random Dungeon Generator

Combines user-defined chambers to create a dungeon

Random Level Generator

A random level generation example (similar to Nuclear Throne) using GameMaker

Generates a random tile map but not production ready in its current state

Destructible Terrain

An example of collidable, destructible terrain in GameMaker Studio using surfaces and grids

Generates huge caves in a few hundred milliseconds

Create particles with an easy UI and export into GML code

Particles Wrapper

A simplistic particle system wrapper that is designed to make creating particles fun and easy

A particle implementation that comes with it's own delta timing methods

Pulse

A library to create more complex particle emitters, systems and particles

Burrn

Built-in particle system that uses the particle asset built into the IDE

Bulb

2D lighting and shadows

Lighting System 2D

Requires GameMaker 2.2+ according to the repo

GameMaker Lighting Engine

Tile-based Lighting Engine that projects shadows

Very fast dynamic 2D lighting implementation from GrizzliusMaximus using shadow casting

Transition Library

50+ high-quality, customizable effects. 💸

Zik's CRT Utility Shader

Glitch shader

VHS Shader

Example project to demonstrate shader-based depth sorting sillouettes. Tested on PC, Mac, HTML5, and Android

Shader tutorials from Xor. Originally hosted at "xorshaders.com"

1PassBlur

Blur Shader with adjustable radius

Bokeh Blur

Extension of the 1PassBlur which provides a different look. Similar to a real lens blur. Although it's much slower than 1Pass or Dual-Kawase

Dual-Kawase

Blur Shader that limits radius but is very efficient

A wonderful, versitile halftone shader. Lots of tweakable settings

Voronoi

Sampled pixels on a Voronoi diagram

Fire-Fun

Some fun magic fireballs

Jump Flooding Algorithm for GameMaker made with shaders

Outline Shader

Outline shader

Chameleon

Palette Swapper

Xpanda

Include code from external files in your shaders

Convert shadertoy.com GLSL shaders to run in GameMaker

Gaming Reverends

DragoniteSpam

3D-2D

Official tool to turn 3D models into 2D sprites

BBMOD

3D Rendering Solution. Comes with several modules to import obj, 3D camera setup, integration with ColMesh, and more

3D Collision Library from TheSnidr

Import BSP files into GameMaker. Currently just a demo but worth keeping an eye on

dotobj

Lightweight .obj/.mtl 3D model loader written in native GML

Bronze Box

Example of how to build 3D world models from a 2D grid

Simple 3D camera setup

A collection of scripts to export and import Blender models to and from GameMaker

DmrVBM

Import/Export tools to load vertex buffer data out of Blender and into GMS

3D model conversion tool

Three Mice In a Trench Coat

Source for a GameMaker 3D game

3D Particle System from TheSnidr

Terrain editor. Exports to gm models, obj, or vertex buffers

Cardboard

Isometric 3D Renderer

3D Snow Shader

3D point lights using shaders. 💸

DragoniteSpam

DragoniteSpam

DragoniteSpam

A primer on sprite stacking from Avis. Check out part 2 from dev_dwarf as well

Sprite stacking engine

Gizmo199

Warp

A feature-rich framework for multiplayer games, written in GameMaker and Node.js

Host/client implementation with a chat feature

Patchwire-GM

The network library from gm-core if you want to use this implementation without the entire gm-core suite

A Gist demonstrating a network handshake

HTTP GML

Recieve GET requests and upload files in GML

GMNest

Socket.IO extension for HTML5 games

MultiClient

Non-dll, multiple client launcher for network development

Wizirdi

Rollback netcode library

GM Networking

Very simple network code demonstration

Boomers Networking

Network library which mimics pre-GM:Studio favorite networking extension 39dll using GM native functions

DHook

Discord integration

GMS2_RPC

Another Discord integration

Oops, all Discord integration

Steamworks.gml

Various expansions to Steamworks SDK support in GameMaker: Studio

Parworks

Additional functionality for the YYG Steamworks extension

GOG.gml

A native extension for GOG.com SDK support

GMTwitch

Twitch integration

Pixelated Pope's guide on GameMaker's camera system

Getting started with cameras in GameMaker

Pixel Perfect Smooth Camera

An example of pixel-perfect yet smooth camera

Local multiplayer split screen implementation that merges the camera when players are close

STANNcam

Camera and resolution manager

Editor, screenshake, view-resizing, follow modes, screen effects, etc. 💸

Shaun Spalding

Mash Arcade

DuplicateSequence

Make a deep copy of sequence assets/structs for editing at runtime

SnowState

Robust finite state machine

FastSM

Lightweight alternative to SnowState

Another Easy-to-use Finite State Machine library

Feature-rich finite state machine to handle complex objects

Pinocchio

State-based animation system

BehaviorTree

A simple behavior tree system

FSM AI

Finite state machine for NPC AI

A* Pathfinding implementation

A-Star-Pathing

Another A* pathfinding implementation

Flexible pathfinding system with 3 different algorithms

Pathfinding in graph

Shortest pathfinding system in (weighted) graph, using Dijkstra algorithm

Animated Flag

Vertex-animated flag

Play videos. However, the latest version of GMS has video support

Webcam capture

Danmaku Project

Bullet hell engine

OrbinautFramework

Accurate framework to make classic Sonic games

Shows how to trace a line with primitives to create a colorful trail

Starfield Generator

A script to generate starfields in GameMaker's GML language

CleanShapes

Antialiased primitives library for GameMaker

Dozens of helper scripts, organized similarly to the official documentation

Free resources from the community to become better at GameMaker Studio, game development and game jams

Another great resource for open source libraries, assets, and snippets

Gamedev-centered podcast featuring members of the GameMaker community

Dracula Theme

A dark theme for the IDE

Gruvbox Theme

A retro groove theme for the IDE

A full guide of the syntax features/changes in GML from Yal

How garbage collection works in GML

Tell GitHub your repo is all GML, not Yacc

GameMaker Repo Badges

Fancy badges to add to your README files

Have you made a gamemaker tool you want to share? Consider submitting it to the official Discord's GitHub

FriendlyCosmonaut

Pixelated Pope

MicahTheManiac

Blobfish

vim-GML

High quality Vim syntax highlighting for GameMaker

Unmaintained projects from the Rousr team (in case anyone asks where OutsideTheBox/Dissonance went)

Tome

Automatically generate documentation sites from GameMaker projects

Piano example

Example of playing intrument notes by changing pitch, using only one audio file

Compatibility scripts

Scripts that are used by GM when importing GM:S 1.4 projects, taken directly from runtime files

Pause example

Simple example of a pause screen without using surfaces

Tutorial on using GitHub Actions as a CI/CD pipeline to automate building games

Contains several posts on level generation

Some great articles on working with JSON, regular expressions , and drawing circles in GML

Some articles on more advanced GML topics

Seasoned GameMaker dev's thoughts on GameMaker concepts and libraries

Thoughts On GameMaker

Not a traditional blog but has great info on different GML techniques

Hobbyist indie dev with a few GameMaker-related tutorials

Covers highly technical elements of GameMaker with a focus on 3D

Previous community manager at YoYo Games. Has a wide variety of beginner-friendly GameMaker tutorials and helpful updates on new GameMaker features

Great playlist on building a farming RPG in GameMaker with several other tutorials

Guides on GameMaker resolution management, cameras, GUI, and more

Tons of shader demonstrations with a focus on 3D

A GameMaker developer that has been in the community for many years. They have a wide variety videos showcasing what GameMaker is capable of, with a focus on 3D

A lot of awesome 3D showcases and tutorials for GameMaker

GameMaker tutorials for top-down shooters and RPGs

If you want to learn foundational material regarding GameMaker shaders, the "Shaders for Hobby-Programmers" playlist is definitely worth checking out

Small indie dev company with a focus on providing GameMaker guides

Tons of free GameMaker tutorials and news about GameMaker

A couple of genre-specific GameMaker tutorials, integrating databases into GameMaker, and more

A channel dedicated to both DnD and GML tutorials

In-depth coding tutorials for the hobbyist game maker

Series based on iceberg to display advanced programming ideas in GameMaker

GameMaker Libraries

This is based on a list from and from Gleb Tsereteli with additional links/details

Awesome Gamedev

If you need more general game development resources, check out or