Some of the scenes from the video remind me of Manifold Garden [1] - only 3D but a 3-torus [2] and you can change the direction of gravity, i.e. what is up and down. And also visually beautiful.

[1] https://store.steampowered.com/app/473950/Manifold_Garden/

[2] https://en.wikipedia.org/wiki/3-torus