Explore the fundamental building blocks of the Godot game engine in this comprehensive video series. Dive deep into specific nodes and their practical applications, including Particles2D for visual effects, RayCast2D for collision detection, PathFollow2D for object movement, Tilemap for efficient level design, and YSort for managing rendering order. Learn how to harness the power of these essential nodes to create dynamic and engaging games in Godot 3.0.