Subnautica
Steam News 1 April 20261mo ago

Subnautica Free Weekend & Series Sale

Hello Subnauts, With Subnautica 2's Early Access launch on the horizon, we're hosting a Free Weekend for Subnautica, the game that started it all. From April 2nd at 10:00 AM PT through April 6th at 9:59 AM PT, you can p…

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Full Subnautica update

The complete published notes, normalized for clean reading and source attribution.

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Hello Subnauts,

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0 fixes1 addition3 changes0 removals
  • Maps
  • Workshop
  • Gameplay
  • Store
changedUnravel the mysteries hidden within an ancient alien world
changedBuild underwater bases and craft tools to survive
addedIn Subnautica 2, you’ll get to explore an all-new alien world, either alone or with up to three friends (four players total) in optional co-operative multiplayer. Built on Unreal Engine 5, it brings enhanced visuals, new creatures, and new mysteries waiting to be uncovered.
changedSubnautica 2 Store Page

With Subnautica 2's Early Access launch on the horizon, we're hosting a Free Weekend for Subnautica, the game that started it all. From April 2nd at 10:00 AM PT through April 6th at 9:59 AM PT, you can play Subnautica for free.

If you haven't explored the vast oceans of Planet 4546B yet, or you want to invite a friend to try it out, now is the perfect time!

Steam post image

What’s waiting for you in Subnautica

  • Explore a vast and immersive alien ocean

  • Unravel the mysteries hidden within an ancient alien world

  • Discover unique creatures and diverse ecosystems

  • Build underwater bases and craft tools to survive

Interested? Play Subnautica for free from April 2nd.

Subnautica & Below Zero - 75% Off

Enjoyed your time exploring and surviving on Planet 4546B? You can continue your adventure with a purchase!

Both Subnautica and Subnautica: Below Zero are on sale at 75% off. The sale period runs from April 2nd, 10:00 AM PT until April 9th, 9:59 AM PT.

And an even bigger adventure is on its way!

In Subnautica 2, you’ll get to explore an all-new alien world, either alone or with up to three friends (four players total) in optional co-operative multiplayer. Built on Unreal Engine 5, it brings enhanced visuals, new creatures, and new mysteries waiting to be uncovered.

Subnautica 2 Store Page

Wishlist Subnautica 2 now and be the first to know when Early Access launches.

  • This Free Weekend is a time-limited promotion. A purchase is required to continue playing after it ends.

  • Progress made during the Free Weekend is saved via Steam Cloud Saves.

  • Save data cannot be transferred between platforms. Achievements are tied to your platform profile and will carry over from the Free Weekend if you purchase the game.

Keep Diving!

Source

Steam News / 1 April 2026

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