What should be the sequence of learning to build a project on Unity?

Question

Mobile development

I recently decided to switch to developing games on unity for android, I previously made websites (html, css, js, php, mysql).
After watching and reading a few lessons, I realized that there is not enough knowledge to fully write what was conceived, namely writing a game like a sandbox (farm) with saving data on the server.
Tell me the sequence of study, what needs to be studied and where to start (if you can find links to study what was planned), otherwise it somehow turns out chaotically, it seems that I start studying from the middle and I don’t really know how it should interact, what technologies to use, etc. .d...

Answer 1

First learn c# and algorithms in general. At the same time, pull up geometry and mathematics in general.
Then a few manuals on the schedule ...