[wonger_]

The author has a bunch of other neat projects like: https://aem1k.com/world/

And he explains some of the code golfing in this talk: https://m.youtube.com/watch?v=RTxtiLp1C8Y

[omoikane]

These kind of thing reminds me of Yusuke Endoh's works. He also made a spinning globe quine, but in Ruby instead of Javascript (referenced in the linked video above near 18:15):

https://mametter.hatenablog.com/entry/20100905/p1

And here is his quine clock, in Ruby:

https://mametter.hatenablog.com/entry/20090106/p1

[undefined_user6]

The Mandelbrot one is really cool too (click to start)

https://aem1k.com/mandelcode/