if you want to make a game engine, make a game engine
if you want to make a game, do not under any circumstances make a game engine
making your own game engine because you want to make a video game is like opening a restaurant because you like to cook
pretty sure godot is partially based on reduz' previous project chibitracker, so, you know. start with a tracker i say
This is a useful train of thought for me because now that I think about it, I've basically never wanted to make a game.
I've always just dicked around making a machine that has some interesting output to me. This usually manifests in doing a couple funny things with an engine or toolset's tutorial code then moving on.