Updated on November 7, 2021, by Jack Pursey: Subnautica: Below Zero was fully released over 5 months ago, while, believe it or not, its early access first hit stores almost three years ago now. Most people will not even know that these peculiar features exist in Below Zero. RELATED: Subnautica: Below Zero - How to Find the Laser Cutter Fragmentsįrom the depths of the ocean to the inside of a wormhole, Unknown Worlds left a few interesting things for people to find on 4546B.