I would recommend Grand theft Auto Chinatown wars it's very short

Q1 this happens a lot by accident Q2 this happens a lot in older game in games that you can emulate (like mario party) you can check sometimes if something is rng by savestating(ex. Mario party 1 if you savestate before rolling the dice) there are also a lot of programmers who look in to the code to understand what manipulates what

I hate to run games like kingdomhearts because the menus are impossible to learn

welcome to the community

Run castle of illusions

I started speedruning a week ago because i saw a guy who runs an old game of my childhood Bionicle The Game ps: I also do some mods/rom hacks on games such as mk64 sm64 smg1 and two mkwii and more