Begin Learning Unity Game Engine
Heres a quick list of resources to learn the unity game engine that isn't youtube videos but websites dedicated to teaching you how to use the unity game engine at all different levels of experience. If the last resources for beginner unity list didn't have what you were looking for. Maybe these will help?
The best and cheapest place to learn the unity game engine and c#. The unity game engine it self
Catlike Coding:
has a big list of tutorials with C# and the Unity Game Engine. From Scriptable objects, building graph, constructing a fractal, object pools, etc... so much to list the Unity C# tutorials are located here!
Need tutorials on how to use shaders in the unity engine? This is probably the best resource for it.
Has Introduction to Unity tutorials on his youtube.