The mystery of what happened, and the promise that you will be allowed to uncover it, is part of what makes Subnautica good, at least in my opinion. It means you are exploring this alien world for more than just its own sake, and the natural progres…
1) One of my favorite moments in the game was when I decided to observe Stalkers and learned they like to collect scrap metal. I felt like I was strongly rewarded for studying their behavior, instead of killing them to make the seabed safer.