I have kids now and the last game I prioritized to play this way was BoW during a summer vacation. I just hope these grand single player offline adventures wont go extinct until I will get some solid free time again. But on the other hand, I have such a long backlog of "old games" I want to play so I'm not really worried. It's more my kids that will get caught up in the Fortnites of the future and never experience the world building possible.