# Subnautica: Below Zero

Summer DB entity ID: ca170c50\-0a61\-43b7\-8cd3\-5e5db9201a52

Steam App ID: 848450

Below Zero is an underwater adventure game set on an alien ocean world\. It is the next chapter in the Subnautica 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 weather conditions blanket above\-ground habitats\. Craft a toasty cold suit, sip on piping hot coffee, and warm up next to Thermal Lilies to stave off the chill\. An ocean of intrigue  What really happened to your sister? Who were the aliens who came here before? Why were they on this planet? Can we find solace from grief in truth? Below Zero extends the story of the Subnautica universe, diving deep into the mystery introduced in the original game\. About the development team  Below Zero is created by Unknown Worlds, a small studio that traces its roots back to the 2002 Half\-Life mod Natural Selection\. It is the same studio that created the original Subnautica\. The team is scattered around the globe, from the United States to the United Kingdom, France, Russia, Austria, Australia, Canada, and many more places\. Warning  This game contains flashing lights that may make it unsuitable for people with photosensitive epilepsy or other photosensitive conditions\. Player discretion is advised\.

## Game information

- Type: game

- Developer: Unknown Worlds Entertainment

- Publisher: Unknown Worlds Entertainment

- Release date: May 13, 2021

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Adventure, Indie

- Categories: Single\-player, Steam Achievements, Full controller support, Steam Trading Cards, DualShock Controller Support, Steam Cloud, Remote Play on TV, Family Sharing

- Platforms: windows, mac

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_5011daad83f8494eda0826e4bbc91181239ad5d7\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_69bdcf6ce29ba61650f0b2551a3494af67be09ac\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_3c3403337b972d4913e3a6b4f34e0f47e484c042\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_5bc21362aa200d08fe25203cbe50debedd8f11a3\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_9e3d6ab0db5442f7bcbeb923da47d3a80023f50f\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_e5c0f0272552f4aff9129ce3683131bdabd5983c\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_4175a9e5b1533698856493140038643f2f4669b5\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_a0686edd0106fa67746037a29a9846b8448dff0c\.1920x1080\.jpg?t=1777456254, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/848450/ss\_633db996460f37a755b4e03ad9c9804907ab2478\.1920x1080\.jpg?t=1777456254

- Price: 2999 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 468

- Steam review count: 108456

- Steam positive reviews: 97662

- Steam negative reviews: 10794

- Steam positive percentage: 90.0475768975437%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/ca170c50-0a61-43b7-8cd3-5e5db9201a52/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/ca170c50-0a61-43b7-8cd3-5e5db9201a52/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-23T12:56:56\.117483\+00:00

- Player count observed: 2026\-09\-23T12:56:57\.591362\+00:00

- Reviews observed: 2026\-09\-23T12:56:57\.144481\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/848450/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/848450/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=848450","reviews":"https://store\.steampowered\.com/appreviews/848450"\},"price":"2026\-09\-23T12:56:56\.117483\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-23T12:56:56\.117483\+00:00","players":"2026\-09\-23T12:56:57\.591362\+00:00","reviews":"2026\-09\-23T12:56:57\.144481\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"8433ce83\-1521\-4eec\-99d4\-a07e5fa31916","catalog":"435c7240\-197e\-4af4\-8c38\-e53cd9bdb8fb","details":"9f231abf\-ee27\-42d8\-8d4c\-655a7bb51d8c","players":"8b553e93\-9585\-4321\-ab3c\-39214f14da45","reviews":"477386d6\-493f\-4918\-9b79\-750d72d804ad"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"ca170c50\-0a61\-43b7\-8cd3\-5e5db9201a52","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/848450/) · [JSON](/api/v1/games/ca170c50-0a61-43b7-8cd3-5e5db9201a52)