Get the entire Subnautica collection! The Deep Ocean Pack includes both the original Subnautica and Subnautica: Below Zero. Subnautica Dive into the depths of the ocean on an alien planet full of wonders and dangers. Craft gear, pilot submarines, and outwit wildlife to explore coral reefs, volcanoes, caves, and much more - all while trying to survive. Subnautica: Below Zero Immerse yourself in a freezing underwater adventure on an alien planet. Set one year after the events of the original Subnautica, the game takes place on Planet 4546B, where you must survive a disaster at a newcomer research station. Craft tools, gather supplies, and discover the next chapter in Subnautica's story.