With most popular survival games these days, your biggest enemy is other players, usually in some jungle or forest. Not so in Subnautica. This survival game takes place in an environment not often seen in gaming: underwater. The game is also has only a single player mode, so the only things after you are hostile species of wildlife, and the elements, and your thirst and hunger. Newser reader Rita Maniner has been playing the game, and recently sent what will hopefully be the first of a few reader submissions on it.