The main world of Cosmic Fish wouldn't be somewhere where I'd like to live, to be quite honest. |'D
The world is purposely held back from any creature's attempts at big development since the guardians pretty much mother the whole planet. On one side, they make sure there isn't excessive poaching or building, but on the other, limiting to such an extent has slowed down, say, human expansion and civilization quite a bit. And that's...kinda terrible, ngl. I kind of like the concept that we own up to our own consequences (for better or worse) rather than have a rock scolding you like 'no that's wrong, stop that right now'.
I mean, that was just my first thought aside from...you know...dealing with the ghosts, cucos, and other stuff but...