Usefull free resources to learn game development!
General Gamedev
Game Makers Toolkit YT Videos about game design concepts
Havard CS50G Havard's introduction to gamedev, teaches Love2D and unity in a project based maner
Unreal Engine
UE5 Starter Tutorial An extensive tutorial on all parts of unreal engine
How to Create a Game in Unreal Engine 5 A tutorial focusing on how to build a game
Godot
GDquest beginner tutorial A great start to godot!
Unity
The Unity Tutorial For Complete Beginners GMTK's starter tutorial
Blender
Donut Tutorial The classic donut blender tutorial