>>8827391A castaway on a tropical island. Basically you need is a cute beach with a shelter base to be upgraded and an all purpose jungle arena. The beach is your recurring setting and when you go adventuring you simply use the arena as the background for whatever you need. The point is that you're not actually going into the same spot of forest all the time, since trees and vegetation are samey and repetitive by nature you can use the same set to pretend you're in completely different zones.
Then it's just a matter of creating extra shit whenever you feel like it - natives, dinosaurs, colonizers, ruins, etc.