A world you learn instead of a checklist you finish.
The direction is intentionally systemic. Early survival leads into tools, food, structures, farming, animals, metalworking, exploration, trade, settlements, and eventually broader social and world systems. The goal is to make knowledge of the world itself valuable.
The overworld is large enough that expansion does not require cramming everyone into one tiny map. Future lands can exist as additional continents or world shards while still belonging to the same canonical game world.