Subnautica: Below Zero
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Subnautica is an underwater survival game that combines elements of exploration and discovery with a rich narrative experience. Set on an alien ocean planet, players must scavenge for resources, craft equipment, and build shelter to survive against the harsh environment and unknown threats. With a strong focus on storytelling, the main story takes around 30 hours to complete, while additional side quests and secrets can extend playtime up to 53 hours for completionists. As you delve deeper into the planet's depths, you'll uncover the mysteries of this strange world, making it easy to lose yourself in the vast oceanic expanse for dozens of hours.
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Gets consistently positive feedback from reviewers. A lengthy experience for players who want more. Exceptional value for the amount of content you get. Moderate savings make it worth considering.
Check if your PC can run Subnautica - minimum and recommended specs
RAM demands are tiny, so even budget machines won’t struggle.
See the full breakdown of Subnautica critic scores and reviews

PC Gamer
Philippa Warr
89
A smattering of technical issues keep Subnautica from true legendary status, but only just.
Full Review
Eurogamer
Edwin Evans-Thirlwell
Recommended
An oppressively beautiful portrayal of an undersea environment, and a well-wrought survival game with a vaguely eco-friendly message.
Full Review
IGN
T.J. Hafer
9.1
Subnautica is a template for what open-world survival games should strive to be. It’s fantastical, fresh, and frightening from surface to seabed, with a story that kept on surprising me and a cast of sea monsters that quite literally haunted my dreams.
Full ReviewGame Informer
Elise Favis
8.8
With a robust crafting system and several amazing secrets to find, Subnautica never ceases to entertain
Full ReviewGameSpot
Brett Todd
9
Subnautica is a terrifying, mystifying, massive, and brilliant survival game.
Full ReviewSee how players rated Subnautica on PC - community scores, review highlights, and what players are saying
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Subnautica has 17 Steam achievements - see the full list and track your completion progress
Got questions about Subnautica? Find answers on price, platforms, game keys, and gameplay below.
Right now, you can buy Subnautica for as low as $13.31, depending on the store and platform.
Yes, Subnautica is currently on sale with up to 55% off at select stores.
On Steam, Subnautica is listed at $29.99 (MSRP $29.99).
The lowest recorded price for Subnautica is $5.90, based on past sales and discounts.
Subnautica is available on PC, Xbox, Playstation, and Nintendo.
Subnautica is primarily a single-player experience.
The main story takes around 30 hours, while a completionist run averages 53 hours.
Subnautica launched on Tue Jan 23 2018.
Subnautica is rated E10 for Fantasy Violence and Mild Language.
Stay up to date with the latest Subnautica patches, updates, and gaming news
Save more on Subnautica - top up your Steam Wallet or grab a PC gift card at a discount before you buy
Subnautica was developed and published by Unknown Worlds Entertainment, released on 2018-01-23. Subnautica is rated E10 by the ESRB for Fantasy Violence, Mild Language.
Subnautica has been rated 87/100 on Metacritic, 84/100 on OpenCritic, "Overwhelmingly Positive" on Steam, 4.5/5 on Xbox and 4.58/5 on PlayStation. Use these scores alongside player feedback to decide if it's worth adding to your library at its current price.
$13.31
, compared to an MSRP of$29.99
. Across all listings, there are currently 19 store offers for Subnautica, pulled from both authorized retailers (such as Steam, Fanatical, and Green Man Gaming) and key marketplaces like Kinguin or Eneba. Whether you prefer buying from official sources or want to stretch your budget further through grey-market deals, Gamers Unchained helps you easily compare prices and find the best fit.If Subnautica sounds like your next purchase, you’re in the right place. Gamers Unchained helps you track down the best discounts from trusted digital game stores. Compare prices, spot bundles, and set alerts so you never miss a great deal.
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