Subnautica – Steam key

Subnautica, developed by Unknown Worlds Entertainment, is a first-person underwater survival and exploration game. After your ship crashes on a planet entirely covered in water, you find yourself in a lifepod with a fabricator and nothing else. You then have to dive: gather resources, build tools, a diving suit, underwater vehicles and then a habitable base, all while managing oxygen, hunger and thirst. The descent into the depths is the real progression of the game and the darkness there becomes more and more oppressive.

What awaits you

• Underwater biomes — glowing reefs, kelp forests, caves, volcanic zones and abysses, each with its own fauna and resources.
• Base building — modules, corridors, aquariums, greenhouses and managing structural integrity according to depth.
• Vehicles to build — from the small single-seat submarine to the large habitable submersible to explore deeper.
• Scanning and discovery — analyse fauna and wrecks to unlock new blueprints.

Activation on Steam

Your Steam key is sent to you by email within 24 hours at most after payment is confirmed. In the Steam client, click « Games » then « Activate a Product on Steam » and enter the code: the game joins your library permanently.

System requirements

Windows 10 or 11 PC in 64-bit, a quad-core processor, 8 GB of RAM and an entry to mid-range dedicated graphics card. An SSD is recommended because the game loads the world continuously as you move. Allow around twenty gigabytes of disk space.

Buying Subnautica in Switzerland

CHKEY is a Swiss company based in Lausanne. You buy your Steam key in Switzerland, with a price in CHF and assistance in French by email.