Ceyase's Stars
Redot-Engine/redot-engine
Redot Engine – Multi-platform 2D and 3D game engine
YoYoGames/GameMaker-HTML5
GameMaker HTML5 runtime
TML233/UndertaleEngine
An UNDERTALE fangame engine.
cgytrus/gmml
A mod loader for some GameMaker Studio 2 games not using YYC
GamemakerChina/GameMaker-maunl-zh
GameMaker 文档翻译项目 (GitHub mirror)
Ceyase/Phigros
基于GamemakerStudio2实现的Phigros同人游戏
Ceyase/UTEDocs
A Docs For Undertale Engine