<Tr> <Th> Genre (s) </Th> <Td> Adventure, survival </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player </Td> </Tr> <P> Subnautica is an open world survival game in development . Subnautica allows the player to explore an aquatic alien planet by scuba diving and traveling in submersibles . It was released on Steam Early Access on December 16, 2014, and on the Xbox One on May 17, 2016, with a PlayStation 4 version planned and in testing . The full release on Steam is planned for January 16, 2018 . </P> <P> The player controls in first - person view the lone survivor of a crashed space ship, called the Aurora, on an aquatic planet . The main objective of the player is to explore the open world environment and survive the dangers of the planet while at the same time following the story of what happened in the game . Subnautica allows the player to collect resources, construct tools, bases, and submersibles, and interact with the planet's wildlife . Players must keep themselves adequately hydrated and fed . In Survival Mode, they must also maintain their oxygen supply while traversing underwater . The game includes a day and night cycle . The game includes three other modes: Freedom mode, in which hunger and thirst are disabled; Hardcore mode, which is the same as Survival, except that if the player dies, the player will no longer be able to respawn; and Creative Mode, in which the hunger, thirst, health, and oxygen features are all disabled, all the crafting blueprints are acquired, where no resources are needed to craft and the submersibles do not need energy and can be damaged . The game is mainly set underwater, with two explorable islands . </P>

When is the full game of subnautica coming out