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There's Science Fantasy in general, but I don't think there's a sliding scale trope for it.
^ This is less Science Fantasy and more for when Fantasy decides to play with sci-fi elements like aliens, I think. Like, The Cthulhu Mythos has equal parts magic and aliens in it, while something like Elden Ring starts out as an archetypal fantasy setting, but by the end of the game, if you're paying attention to the item descriptions and other things, it's clear that there is some kind of cosmic fuckery going on.

So I've been binging Dandadan lately, and it's made me realize something: it's relatively rare, outside of full-on cosmic horror, that you see magic/spirits and aliens both interacting with each other. The X-Files had a mix of cryptids, ghosts and other weirdness outside of its Myth Arc, but even then they tried to claim the vast majority of that was due to "latent alien DNA" or whatever in the later seasons. People outright saying 'Aliens aren't real' happens a lot in Urban Fantasy settings, with Alien Fair Folk being the reason behind their folklore in Supernatural and The Dresden Files. I'm wondering if there shouldn't be some kind of a sliding scale for settings that incorporate both aliens/sci-fi and magic/fantasy in varying degrees.