• Below Zero

    Set one year after the original Subnautica, Below Zero is a new, freezing adventure!

  • Xbox & PlayStation Launch

    Subnautica is now available on Xbox One and PlayStation 4

  • Cinematic Trailer

    Find out what happened on planet 4564B before the Aurora crashed

Subnautica: Below Zero Ice Worm Update

Posted by Donya 3 months ago
an ice worm towers in the mist of a snowy night

There’s something rumbling under the ice in Arctic Spires. As you explore this expansive and mysterious new biome, the fearsome Ice Worm will stalk you and breach the surface if you linger a little too long. But that’s not all, you can also discover the secrets of the Frozen Creature Site, as well as explore the new Lilypad Islands biome! Check out the Ice Worm Update Site to see all of the awesome new features in action.



  • Encounter the Ice Worm
  • Experience new story updates
  • Roam Arctic Spires
  • Discover Lilypads Islands 
  • Investigate the Frozen Creature Site
  • Enjoy weather-based Pengwing behaviors

Ice Worm

a fearsome ice worm pauses in anticipation

The Leviathan-class Ice Worm is ready to stalk you across the Arctic Spires as you explore


A Huge Thank You to the Subnautica Community

Posted by Donya 5 months ago

In celebration of World Environment Day 2019, Subnautica went on sale as part of a Valve special event between June 5th and 8th. Unknown Worlds pledged to donate 15% of our profits from sales of the original Subnautica to the non-profit, the Ocean Cleanup.

Thanks to the efforts of the incredible and dedicated Subnautica community, we are pleased to announce that you were collectively able to raise $20,694.45 to donate to the Ocean Cleanups’ efforts to rid the world’s oceans of plastic.

We cannot express our gratitude enough for all of your help in making this donation possible. Just as you have all worked at eliminating the bacterium that threatened Planet 4546B, we are now able to make