You crash land on a planet called Notrium when your ship gets shot down.It's a survival game. You choose your race, each with it's advantages and disadvantages, and must watch out for the other races, mercenaries who are out to kill you and the weather conditions. No matter witch race you chose, your first priority is to get supplies, be it food or energy. After that, you should find a place to use as a shelter to evade the weather and light a fire to avoid getting cold. The game also offers many alternative endings.