The world is so detailed, I just want to know about it. Like… What’s the alien Zorg has as a pet and things like that. Are the movies really just kind of self-contained, or are they inspired/based on something? Are there maybe books set in the world?
They’re by the same director, with a similar artistic approach, but not set “in the same universe.”
If you like this kind of french sci-fi I would suggest Tykho Moon or Immortal.