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 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!

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!