The cooperative multiplayer version, sm64coopdx , also has distinct locations:

Make sure the file isn't set to "Read-only" in the Windows file properties. Conclusion

If your controller feels "inverted," look for the stick_ settings to swap the X and Y axes. Advanced Features: Beyond the Basics

: You can also toggle fullscreen mode by directly editing the configuration file if the keyboard shortcut isn't working for you.

The file provides separate sliders for different sound types, allowing for a more customized mix than the original console version. : Controls the overall sound level (0–127).

Often located in the same directory as your sm64.exe .