Apologies if this doesn’t fit here, not sure where else to post something like this on lemmy
I think having gravity act like weather might be an interesting concept for a fantasy world, where each country has its own gravity patterns, some tend to be heavier some tend to be lighter, some are all over the place
For a few examples, there could be a desert with gravity so high you can get dragged down into the sand
Could be a country with gravity so low everyone uses personal aircraft that work like bicycles instead of land vehicles
Animals in higher gravity areas would have less dense bones, more muscle, etc and lower gravity would have far larger animals because they can support more weight
In a really high gravity area people might need exoskeletons to prevent long term damage
If we don’t know what gravity does in this other universe, than talking about variable gravity would pointless.
It is called fiction. They are making it up, the only rules are the ones they decide work for the story.
It can be whatever they want.
See Star wars fighters flying in space like ww2 fighter planes flying in atmosphere.
In fantasy sure. Doesn’t work that well for science-fiction, at least if you want it to be good.