Thank you. That is what I'm looking forThe source code of your game is the .gml files in your project's directory.
If that's not what you're after, what specifically are you looking for, and what do you need it for?
Thank youYou'll have some number of *.gml files in your project directory in various subdirectories. Those are plain text file containing code you have written. Can be opened in any text editor for printing.