Subnautica: Below Zero

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Below Zero is an underwater adventure game set on an alien ocean world. It is a new chapter in the Subnautica universe, and is currently in development by Unknown Worlds.Watch out! Below Zero is not finished! It is in active development: Full of bugs, missing features, and performance issues. If you would like to play Below Zero when it is finished, follow our development progress. We'll keep you informed as updates improve the game.Return to planet 4546B Dive into a freezing underwater adventure. Below Zero is set in an arctic region of planet 4546B. As a scientist posted to a research st...