Modify the suit with mining drills, torpedo launchers, propulsion cannons, grappling hooks and more.

Handle the Pressure - Build a Pressure Re-Active Waterproof Nanosuit, or PRAWN Suit, and explore extreme depth and heat.

Lure and distract a threatening creature with a fresh fish, or simply swim as fast as you can to avoid gnashing jaws of roaming predators.

Disrupt the Food Chain - The ocean teems with life: Use the ecosystem to help you.

What caused you to crash? What is infecting the sea life? Who built the mysterious structures scattered around the ocean? Can you find a way to make it off the planet alive?

Unravel the Mystery - What happened to this planet? Signs abound that something is not right.

Use your base to store resources, park vehicles, and replenish oxygen supplies as you explore the vast ocean. Choose layouts and components, and manage hull-integrity as depth and pressure increase.

Construct Underwater Habitats - Build bases on the sea floor.

Venture deeper and further form to find rarer resources, allowing you to craft more advanced items. Craft diving gear, lights, habitat modules, and submersibles.

Collect resources from the ocean around you.

Scavenge, Craft, and Survive - After crash landing in your Life Pod, the clock is ticking to find water, food, and to develop the equipment you need to explore.

The water teems with life: Some of it helpful, much of it harmful. Manage your oxygen supply as you explore kelp forests, plateaus, reefs, and winding cave systems. Subnautica's oceans range from sun drenched shallow coral reefs to treacherous deep-sea trenches, lava fields, and bio-luminescent underwater rivers.

Dive Into a Vast Underwater World - You have crash-landed on an alien ocean world, and the only way to go is down.A massive, open world full of wonder and peril awaits you! Subnautica is an underwater adventure game set on an alien ocean planet.

Subnautica game key