Consider removing the frame from the main menu as it would look better along with several minor edits like a clear textbox.
https://pixeldrain.com/u/KqKPkNev
How did you get access to source files? I thought they're compiled and archived.
https://www.renpy.org/doc/html/build.html#archives
https://f95zone.to/threads/modding-renpy-101.2434/
