Subnautica 2 (2026)

Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

• 118,368 Steam reviews, so it found an audience
• 91% positive
• released 2026

Tags

• Multiplayer
• Survival
• Horror
• Underwater
• Exploration
• Co-op
• Open World
• Survival Horror
• First-Person
• Adventure
• Atmospheric
• Early Access
• Psychological Horror
• Sci-fi
• Singleplayer
• Sandbox
• 3D
• Action
• Base Building
• Casual

See Subnautica 2 on the map of Steam · Steam store page