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About Subnautica

Explore the alien underwater world. Your ship crashes and all you see around you is water. You must survive! Luckily there are a lot of resources available on the ocean floor. 

• Create an underwater base that you will be able to live in. You will also be able to craft a personal underwater vehicle, lights, diving gear, knives and everything that you might need underwater.
• Explore shallow coral reefs, lava fields, deep sea trenches, underwater rivers that are bioluminescent, cave systems, plateaus, reefs, and forests that are made of kelp.
• Find out what happened to this alien planet. Something’s not right with your surroundings, you just feel it! The sea life also looks infected and there are so many strange structures on the ocean floor. You must find out if you can get out of this strange world alive.

Subnautica Reviews

Unknown Worlds Entertainment has delivered everything they said they were going to plus so much more with more updates on the launch horizon and for these reasons they can easily be forgiven for taking this long. It was worth the wait.

GameSpace

Subnautica works brilliantly as a serene, lonely, contemplative adventure. It’s one of those rare games I’d take to a desert island.

Destructoid

Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines, terraform voxel terrain, and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more — all while trying to survive!

IGN

SUBNAUTICA Editions

SUBNAUTICA DEEP OCEAN BUNDLE/ BUNDLE

This Game Bundle contains both the original Subnautica and Subnautica: Below Zero.

• Subnautica – Explore the alien underwater world. Your ship crashes and all you see around you is water. You must survive! Luckily there are a lot of resources available on the ocean floor.
• Subnautica: Below Zero – Subnautica: below zero is the sequel to the beloved survival game Subnautica, return to the watery planet 4546B but this time in an expedition to the planet’s sub-zero arctic region, survive using only your wits and some survival equipment and uncover the mystery of the missing expedition.

SUBNAUTICA SUB-SONIC EDITION

Discover Subnautica with the base game and its award-winning soundtrack in one special bundle.

• Subnautica: Survive an alien ocean world using crafting, submarines, and smart survival tactics.
• Subnautica Original Soundtrack: 56 tracks by Simon Chylinski inspired by Planet 4546B’s oceans.

SUBNAUTICA Ultimate Collection

This Game Bundle contains both the original Subnautica and Subnautica: Below Zero with their perspective soundtracks.

• Subnautica – Explore the alien underwater world. Your ship crashes and all you see around you is water. You must survive! Luckily there are a lot of resources available on the ocean floor.
  • Subnautica Original Soundtrack – 56 tracks composed by Simon Chylinski.
• Subnautica: Below Zero – Subnautica: below zero is the sequel to the beloved survival game Subnautica, return to the watery planet 4546B but this time in an expedition to the planet’s sub-zero arctic region, survive using only your wits and some survival equipment and uncover the mystery of the missing expedition.
  • Subnautica: Below Zero Original Soundtrack – 54 tracks composed by Ben Prunty.

Minimum System Requirements:

• OS: Windows Vista SP2 (64 bits)
• CPU: Intel Haswell 2 Cores 2.5 GHz
• RAM: 4 GB
• HDD: 20 GB
• GPU: Intel HD 4600
• DirectX: 11

Recommended System Requirements:

• OS: Windows Vista SP2 (64 bits)
• CPU: Intel Haswell 2 Cores 3.2 GHz
• RAM: 8 GB
• HDD: 20 GB
• GPU: NVIDIA GTX 550 Ti
• DirectX: 11

• 1d

  Subnautica 2 sells over 4 million copies in under 1 week, and Unknown Worlds "incredibly grateful" for the survival game's success

  
• 1d

  All Subnautica 2 Leviathans and where to find them

  
• 1d

  Co-op is definitely the worst way to play Subnautica 2, but as a big old sea-wuss, I really don't care

  
• 1d

  Subnautica 2 exec is tired of Balatro-likes, says devs pitched "maybe 250 roguelike deckbuilders in the last 12 months"

  
• 1d

  Subnautica 2 dev apologises for telling combat-seeking players to "go play Sons of the Forest or something"

  
• 1d

  Subnautica 2 adding "better callouts for Silver" in first patch as players struggle to find any

  
• 1d

  Subnautica 2 Improvements On The Way, But No, You Can’t Fight The Fish

  
• 1d

  Subnautica 2 outpaces Crimson Desert, Slay the Spire 2, and more to become "Steam's fastest-selling 2026 game so far," analyst says

  
• 2d

  Subnautica 2 Angel Comb locations - all adaptations

  
• 2d

  Subnautica 2 devs aren't "judging players who want combat," but it isn't happening: "Subnautica has always been built around vulnerability"

  
• 2d

  It's not you, would-be Subnautica 2 fish murderers, it's our creature encounters not feeling "fair, readable, and engaging" enough, say Unknown Worlds

  
• 2d

  How to get Troilite in Subnautica 2

  
• 2d

  Subnautica 2 Outlines Changes Coming to the Game in Response to No Killing Fish Debate

  
• 2d

  Subnautica 2 Early Access Hotfix 1 Released, 'Adjustments' to Controversial Terms of Service Promised

  
• 2d

  Subnautica 2 roadmap - all planned updates so far

  
• 2d

  Subnautica 2 Improvements On The Way, But No, You Can't Fight The Fish

  
• 2d

  Subnautica 2 devs roll out first hotfix, promising "adjustments to the Terms of Service" amid EULA concerns

  
• 2d

  Subnautica 2's EULA is causing a bit of a ruckus, but Unknown Worlds say they're "looking into" the current terms

  
• 3d

  Subnautica 2 Players Are Discovering Ways to Defend Themselves From Predatory Fish

  
• 3d

  Subnautica 2 "creature mitigation" a priority for updates as dev is stunned by players with no sense of danger: "I don't think we thought people would build by wolves"