You won’t find any tutorials about learning ‘how to learn’, sorry.
There is no perfect guide on making games because each game everytime is a different beast to master.
If you are willing to learn it all like I do, you must be prepared to invest 10+ years of your life constantly learning how to do things…
I’ve been learning from different areas since 2001 and I can tell that there’s always something new to learn everyday for your whole life.
Only now I feel confident and experienced enough to try and build a whole game on Unreal all by myself; earlier I would say that Unreal is way too hard for a one-man project (game with considerable gameplay length) and would run to Unity and alikes.
If you don’t want to learn things the hard way, pick a field that you like and joing a team…