Mack, I'd recommend two categories (at least to start off):

• Any% (Finish the game with any number of fates marked off, presumably 0). Timing runs "Begin" to "The End"
• 100% (Finish the game with all 60 fates marked off), same timing rules as above. The only other category I can think of would be Any% (The Captain Did It), or (almost equivalently) All Achievements.

Yep! Hadn't checked this in a couple of days so sorry for slow reply. Those are definitely the planned categories and I'll get on it now

Just ran 100% yesterday, the category rules for 100% need to be tweaked since there's no ending letter after you solve the last fates, it just goes straight to a cutscene after you leave the last memory.