I saw this question posed on Mastodon. If you got lost in space and rescued by aliens who made you live in a simulation for the next 40 years based on a book, what would it be?
For me: The Great Gatsby. I would have to play the part of Nick and just get drunk all the time.
Besides cheating and choosing a Star Trek novel, I can think of several.
Eoin Colfer's Artemis Fowl might not be a bad one. Almost no matter who I chose, I'd have a comfortable life style.
Brandon Sanderson's Mistborn would be miserable to live in, but if I was a character with allomancy, that might be acceptable.
If it it was based on a book I happened to bring along for entertainment, there's a good chance it would a John Scalzi novel, which means it could be "Redshirts", and that would be pretty surreal.
Or some Ninja Turtles comics.
Sort sort of isekai. Give me an entire fantasy world and magical powers to level up.