Godot is a rapidly growing free and open-source game engine for creating 2D and 3D games, and interactive applications, on many platforms including desktop and mobile. There has been intense interest in this engine among game developers worldwide. This tutorial book offers an accessible, easy-to-follow and fun introduction to Godot Engine 4 for game developers, both complete newcomers and migrators from alternative game engines, like Unity and Unreal. This book practically explores the process of setting up the Godot software for the first time, creating 2D and 3D scenes with interactive elements, and using the GDScript language for creating common gameplay elements, like first-person controls. Overall, this technical book offers a structured and friendly introduction to many of Godot's impressive features to help you get started at making games as an indie game developer. This book explores: nodes, scenes, hierarchies, import workflows, scripting, animations, user interfaces, working with resources and creating gameplay elements, among others.