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
If you are a developer worried about your game being decompiled, here are steps you can take: game maker studio 2 decompiler free install
There is no mainstream, fully functional, free, and safe GMS2 decompiler that works on all games with a simple installer. The only semi-reliable free tool requires manual compilation from source code and only works on specific game versions. A decompiler is a tool that takes a
Why would a developer need these tools? Most legitimate uses fall into three categories: Rooms and Layers: The level design layouts