We're God's creation but God is a lazy kid that rushed the science project for the whole semester in six days and barely half assed it hoping no one digs too deep into it
Well let me pull out of the drawer my really dusty degree in Biology and let's see.
First of all, do I still have to follow the principles of Embriology or do I get to make it from scratch? Because that's where I reckon most of the problems that came up come from
you can do precisely whatever you want, but you have to personally compute every single interaction, you are THE game master of EVERYTHING, ALL the time, FOREVER.
frankly the fact that we have sensible physics all the way down to quarks is pretty impressive, i struggle to make a sensible day dream in my head. Put me in charge of a universe and you have something somehow worse than the fey wilds.