Useful resources for learning unity

Manual:
https://docs.unity3d.com/Manual/UnityOverview.html

Modeling in Pro Builder:
https://www.youtube.com/watch?v=Ta3HkV_qHTc
https://unity-technologies.github.io/procore-legacy-docs/probuilder/probuilder2-gh-pages/general/fundamentals/

Input:
https://docs.unity3d.com/ScriptReference/Input.html
https://docs.unity3d.com/Manual/ConventionalGameInput.html

Terrain:
https://docs.unity3d.com/2018.2/Documentation/Manual/script-Terrain.html

Audio
https://unity3d.com/learn/tutorials/topics/audio/audio-listeners-sources
https://docs.unity3d.com/2018.2/Documentation/Manual/Audio.html

UI:
https://unity3d.com/learn/tutorials/s/user-interface-ui
https://docs.unity3d.com/2018.2/Documentation/Manual/UISystem.html

Example game made with only UI:
https://unity3d.com/learn/tutorials/tic-tac-toe/introduction-and-setting-project

Animation:
https://unity3d.com/learn/tutorials/topics/animation/animation-view

2D games:
https://unity3d.com/learn/tutorials/s/2d-game-creation


Scripting (kinda advanced, needs knowledge of c#):
https://unity3d.com/learn/tutorials/s/scripting
https://docs.unity3d.com/ScriptReference/index.html