For what purposes are you needing a 101% save file and what platform are you loading a PAL ROM onto (eg. Everdrive N64, Wii U, BizHawk, PJ64)

This should work: https://drive.google.com/file/d/1zBrLprvTCGftFQdlBNfOhQKP07lhIgjL/view?usp=sharing

The time on the file is 00:00 because the variables have been hacked in.

Regarding the mystery menu, I would advise looking at the PAL GameShark codes section here: https://pastebin.com/9V375jxM

https://drive.google.com/file/d/1K0Yr_ESRmj03XxugQBbZhxXf1LveXkoq/view?usp=sharing

This has every flag in the game set:

https://drive.google.com/file/d/16qKSgUNDlTvfgDvlPprHsxMiSapEj7Q8/view?usp=sharing

Nice job, thank you very much ^^ it's good