Hi, I recently saw my 2021 video and I realized that I can do it much better than then. Here I show how to make a simple character movement using AddForce.
If you want to play one of my prototyp games there is a link
https://mozikr.itch.io/
And also you can follow me on Artstation and github
https://www.artstation.com/mozikr
https://github.com/Mozikr