How long is Subnautica?
An underwater alien-planet survival game that's equal parts wondrous and terrifying.
Completion Times
Main Story
29hours
Critical path only — beeline to the credits.
Main + Extras
42hours
Most players' typical playthrough with side content.
Completionist
67hours
100% — every collectible, side quest, and trophy.
Game Info
Developer
Unknown Worlds
Publisher
Unknown Worlds
Released
2018
Genres
Survival, Open World, Sci-Fi
Platforms
PC, PS4, PS5, Xbox One, Xbox Series X/S, Switch
Compare Subnautica
About Subnautica
An underwater alien-planet survival game that's equal parts wondrous and terrifying. Released in 2018 by Unknown Worlds, the game has become a notable entry in the survival genre.
Most players finish the main story of Subnautica in around 29 hours, while a typical playthrough including side content runs about 42 hours. Completionists chasing every collectible and side quest can expect to spend closer to 67 hours with the game.
Subnautica is available on PC, PS4, PS5, Xbox One, Xbox Series X/S, Switch.