> Lastly, I think it would be really neat to make a game that used this technique to render 3d.
See the 1994 game "Magic Carpet" for this and some other weird 3D-modes including an early VR helmet.
edit: the only brief clip I can find online that actually lets you experience the effect:
https://youtu.be/3qiIXbfQjA0?si=NLKv8Bs3EyW-lZX4&t=62
but I did find a modern platformer: