About this game

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Below Zero is an underwater adventure game set on an alien ocean world. It is a new chapter in the universe, and is developed by Unknown Worlds. Return to planet 4546B Submerge yourself in an all-new, sub-zero expedition in an arctic region of Planet 4546B. Arriving with little more than your wits and some survival equipment, you set out to investigate what happened to your sister... Uncover the truth Alterra left in a hurry after a mysterious incident. Abandoned research stations dot the region. What happened to the scientists who lived and worked here? Logs, items, and databanks scattered among the debris paint a new picture of the incident. With limited resources, you must improvise to survive on your own. Discover uncharted biomes Swim beneath the blue-lit, arching expanses of Twisty Bridges. Become mesmerized by the glittering, mammoth crystals of the Crystal Caverns. Clamber up snow covered peaks and venture into the icy caves of Glacial Basin. Maneuver between erupting Thermal Vents to discover ancient alien artifacts. Below Zero presents entirely new environments for you to survive, study, and explore. Construct habitats and vehicles Survive the harsh climate by constructing extensive habitats, scavenging for resources, and crafting equipment. Blast across the snowy tundra on a Snowfox hoverbike. Cruise through enchanting and perilous biomes in your modular Seatruck. Research alien lifeforms Something undiscovered lurks around every corner. Swim through the giant Titan Holefish, encounter the haunting Shadow Leviathan, and visit the adorable Pengwings. Keep your wits about you. Not all creatures in this strange world are friendly. Survive the chilly temperatures Jump in, the water’s warm. The below zero temperatures of this arctic region pose a new threat. New w

Product type

Game

Activation

Steam

Platform / region

PC/Mac · Check activation details before purchase

Release / edition

2021-05-14 · Standard