
Subnautica 2
About this game
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds.
Last checked 3 Nov 2026

About this game
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds.
Last checked 3 Nov 2026
More about Subnautica 2
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Players are stranded on the alien planet Alterra after their colony ship CICADA malfunctions, forcing them to survive with a mission-driven AI. The game emphasizes solo exploration or co-op with up to three friends, featuring customizable characters and base-building. Players traverse biomes using a Tadpole submersible, study alien ecosystems, and uncover the planet's secrets while navigating the AI's persistent mission. Early Access development includes iterative world expansion and community feedback integration.