Go to the "Releases" section on the right sidebar and download the .zip file for the latest stable version.
Once loaded, you will see a list of categories on the left (Scripts, Sprites, Objects). You can double-click any entry to view the raw GML code or export specific images. 3. Full Project Export To turn the compiled data back into a GMS2 project: Go to the menu at the top.
A decompiler is a tool that takes a compiled game file (like an .exe for Windows) and attempts to reverse-engineer it back into a readable project format (.yyp). While GameMaker games are compiled into bytecode, tools like UndertaleModTool can read this data and extract: The logic and code of your objects. Sprites and Strips: The visual assets and animations. Rooms and Layers: The level design layouts. Shaders and Fonts: Technical rendering assets. The Best Free Tool: UndertaleModTool game maker studio 2 decompiler free install
Local variables (like var _temp ) are often lost during compilation. The decompiler might rename them to generic strings like local_1 .
The tool will recreate the folder structure needed for GameMaker to recognize it as a project. Important Limitations Go to the "Releases" section on the right
All code comments are stripped during compilation. You will have to re-document your recovered logic.
Ensure you have the latest .NET Core Runtime installed, as the tool requires it to run on Windows. Step-by-Step Recovery Guide While GameMaker games are compiled into bytecode, tools
The search for a GameMaker Studio 2 (GMS2) decompiler often stems from a common developer nightmare: losing a project due to a corrupted hard drive, a failed cloud sync, or an accidental deletion without a backup. If you find yourself holding a compiled executable of your own game but lacking the source code, a decompiler is your last line of defense.