I don't know your vision for the future of this game, but I would love to have some kind of map or hub. I think it would be excellent if, once you've gone deep enough on a specific chunk of land, you can move somewhere else and start with a fresh plot. Perhaps that could be tied to some sort of prestige system, or perhaps different types of tiles and events could be more common in different locations.
Mainly, I want a much larger simulated landmass to strip-mine. One chunk will only sate me for so long. 😈