To understand why decompilers exist for GameMaker and not as easily for other engines like Unreal or Unity, one must look at the architecture of the engine itself.
files because the executables contained massive amounts of uncompiled data. Notable Decompilation Tools Game maker exe decompiler
This yields a folder with sprites/ , sounds/ , objects/ , scripts/ , rooms/ in native Game Maker project format. To understand why decompilers exist for GameMaker and
The effectiveness of a decompiler depends heavily on the compilation method used when the game was built: Virtual Machine (VM) Targets: The effectiveness of a decompiler depends heavily on
0x10 = push constant int 0x11 = push constant real 0x20 = add 0x21 = sub 0x30 = pop local var 0x31 = push local var 0x70 = call script 0x80 = if false jump
A Game Maker EXE decompiler is a tool that extracts this bytecode from the .exe and converts it back into human-readable GML scripts, object events, and room data.