In this section of the guide you'll learn how to find important game areas, like Finding Delta Base. The Walkthrough was done in Survival Mode, but there are other modes you can learn about in the Options and Settings page. Our walkthrough section will show players how to make story progress in the game and beat the entire game. This wiki is full of unmarked spoilers and story content. Proceed with caution when clicking around if you're early on in Subnautica: Below Zero. Survive by building habitats, crafting tools, finding lost communications and unexpected allies on this cold, harsh water planet. Return to Planet 4546B to uncover the truth behind a deadly cover-up after learning of your sister's death, which megacorporation Alterra blamed on her own negligence. Below Zero is set two years after the original Subnautica.