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Dragonite

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A fully-featured 3D drawing system for GameMaker!
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Real-time 3D shadow shaders for GameMaker
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display/parse roman numerals in GameMaker
Run in browser
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A better version of GameMaker's ancient d3d shapes
Run in browser
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3D collision detection in native GML
Run in browser
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I made a graphing calculator for GameMaker and I have no idea why
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Spoiler: GameMaker can render a lot of triangles.
Run in browser
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People who like to micro-optimize their code, this one's for you.
Run in browser
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Define networks of connected points, eg for a map in a game!
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A casual game about growing houseplants.
Simulation
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A bullet hell game where you smash all of the gross bugs that cross your path!
Action
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Indexed color palette swapping in GameMaker!
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Convert strings to and from Morse code!
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Generate some nice Perlin noise in GameMaker!
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A 3D tower defense game where you show all the bugs who's boss!
Strategy
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A collection of short game jam games that I've made!
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A general pathfinding AI for GameMaker Studio 2!
Run in browser
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Automatically place snow on the up-facing surfaces of rocks, trees, etc
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Over 300 named color codes that you can add to GameMaker!
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Fast(ish) sorting in GameMaker
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Combine sprites into single atlases!
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Try out different image blending modes quickly and easily!
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A lightweight, generic inventory system for GameMaker Studio.
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3D Cel Shaders for GameMaker Studio
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Garbage-collected ds_lists in GameMaker
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3D Lighting Shaders for GameMaker Studio 2
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Convert between different 3D model formats for GameMaker (or anything else)!
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I wanted to try my hand at an even worse sorting algorithm but chickened out.
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Ever wanted a visualization of how your game's performing?
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A Windows Forms-like graphical user interface library for GameMaker Studio 2.3
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In case you ever need to drag files into a GameMaker window.
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Do you like particles? I like particles.
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See how your Scribble formatting looks in real time!
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A 3D terrain editor for GameMaker - and, hopefully, other purposes too!
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Easing curve math for use in Game Maker
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Some types of variables can be accessed faster than others. Here's a test.
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The solar system, in 3D. Sans moons. May add those later.

GameMaker - My 3D Stuff

I've made quite a few of them at this point.

Useful Tools for Game Maker

Useful game assets