ive nevear heard of that before and honestly sound dumb to "conquer" games. "exploit every little thing" why? and the three other things you mentioned would usually just be generic explanations of 100%
i finally watched school-live! after putting it on hold for years and it was way better than i thought it could be
good necro post. funny thing i was just yesterday thinking of how i was helped on how to make quotes here and there it is
if the game has a good in game timer of some sort you could use that for timing. you can also pay someone to make the autosplitter/loadremover in the speedrun tool developement discord. you can also manually retime the loads out of runs with the same tool the nsmbw community uses i dont have a link to it but it might be linked in their discord