No I don't mean missions that require to fetch certain material that would suck:p but rescuing survivors perhaps, but you would have the choice to farm materials to craft certain items to make life easier like you already do now. But you could alway…
I feel like the mid/end game would need something a bit more than just crafting everything and exploring the entire map. Perhaps implementing some possible side missions which would lead to the total exploration etc. For example weak beacon signals …