🛠️ Instance – A clean-room reimplementation of GameMaker 8.1 in Rust

Summary
Instance is a clean-room open-source reimplementation of GameMaker 8.1 built in Rust. It opens existing .gmk and .gm81 projects to run them across Windows, macOS, and the browser with an efficient GML interpreter.

Why it’s interesting
It provides a fully functional, clean-room reimplementation of an older game engine in Rust, capable of running classic projects and Spelunky Classic directly in the browser.

Target user
Game developers and hobbyists looking to run or edit classic GameMaker 8.1 projects.

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