Explore the challenges and complexities of game engine development in this 21-minute video. Dive into the intricacies of creating a robust game engine, covering topics such as the Hazel engine, development processes, and environment mapping. Gain insights from live demonstrations and devlogs, offering a comprehensive look at the technical aspects and creative problem-solving required in game engine creation. Learn why making game engines is a demanding yet rewarding endeavor in the world of game development.