"My source code is my intellectual property. data.win decompilers allow rivals to literally copy my game logic, steal my UI systems, or cheat in my multiplayer game."
Originally built to reverse-engineer Undertale for modding, UTMT evolved into a full-fledged editor. It allows a user to: gamemaker data.win decompiler
A command-line decompiler specifically tailored for early GameMaker: Studio games. "My source code is my intellectual property
An older decompiler for GameMaker 8.x (pre-Studio). Converts data.win back to a GM81 project file, including code and resources. It’s less useful today but still used for retro modding. steal my UI systems
Usually in the game’s installation folder alongside the .exe .