It’s been a while since I completed a course but I finally finished the Create Your Own 3D Game Worlds course by @Grant_Abbitt
I deviated from the course somewhat and the result is definitely not game engine friendly as it’s quite a heavy scene.
I used Geometry Nodes for the grass and some of the vegetation which is an approach Grant touches upon but isn´t part of the course.
I also added some volumetric lighting and spent some time on lighting in general, again not something that’s part of the course.
One lesson learnt was that I definitely need to better optimise my scenes as the video took 5 hours to render and that was with a GeForce RTX 4090!