Players are free to perform within the entirety of a procedurally generated deterministic open world universe, which includes over 18 quintillion planets
Planets have their own ecosystems with unique forms of flora and fauna
Player takes the role of a specimen of alien humanoid planetary explorer, known in-game as the Traveller, in an uncharted universe
They start on a random planet near a crashed spacecraft at the edge of the galaxy, and are equipped with a survival exosuit with a jetpack
While the game is open ended, the player may follow the guidance of the entity known as the Atlas to head towards the centre of the galaxy