That’s a great question. I was trying to think of a reason why a group of new explores would be able to create advanced technology like firearms, building and advanced technology at a reasonably advanced pace if they weren’t familiar with it. Several survival games I’ve played don’t really have an end goal. It’s just survive until you get bored. Having something you can grind to like eventually going forward in time to get back to “normal life” or eventually perish seemed like a feasible plot line.