Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- Released
- 2014
- Developer
- Unknown Worlds Entertainment
- Platforms
- 10 systems
- Critics
- 87
- Steam Deck
- verified
- Download
- 20 GB
What is Subnautica?
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Description as published by the developer on its own store page, read 30 August 2026. It is marketing copy, not our assessment.
The record
| First released | 16 December 2014 |
|---|---|
| Developer | Unknown Worlds Entertainment |
| Publisher | Unknown Worlds Entertainment |
| Platforms | iOS, Android, iPad, Android Tablet, PC, PlayStation 5, Xbox One, Xbox Series X and Series S, Nintendo Switch, Steam Deck |
| Genres | Action Adventure, Survival |
| Languages | 27 supported |
Source. Catalogue facts from Wikidata Q21039915, seeded 30 August 2026. Store data from Steam, read 30 August 2026.
How was Subnautica received?
Method. Player figures are Steam's own totals for the PC version, read 30 August 2026. The Metacritic score is the one Steam publishes on its store page and can lag the site itself. Metacritic page. Neither is our opinion. We have not published a review of this game.
Accessibility
Seeing
None declared
Hearing
None declared
Input
- Full controller support
Difficulty
None declared
Method. Features the publisher declared on its own store page. A declaration is a floor, not a review.
What does it support?
| Capability | Support |
|---|---|
| Controller | full support |
| Cloud saves | Yes |
| Cross-platform play | No |
| Mod support | No official workshop |
| Online play | Single-player only |
| In-game purchases | No |
| Steam Deck | verified |
| Download size | 20 GB |
| Add-on content | 1 DLC listed |
| Age gate | None |
Method. Read from the publisher's Steam listing on 30 August 2026. Describes the PC version. Console versions differ.
What does it cost?
Steam price in US dollars, read 30 August 2026. Prices move hourly and vary by region. Check the current price.
Problems players report
We read the 299 most recent negative Steam reviews of Subnautica on 30 August 2026 and counted what they mention. These are complaints, not confirmed defects: we have not reproduced any of them, and a review describes one person's machine. What the counts tell you is which problems more than one person ran into.
- Crashes and freezes12 of 299 (4%)
However, I'm leaving a negative review because for some reason, after the first hour or so of gameplay, it suddenly hard crashed my entire PC.
Steam review, 27 June 2026 · 1 hours played · 4 readers marked it helpfulGame crashes any time I try to acquire it, even when using cheat commands to spawn it in.
Steam review, 22 May 2026 · 44 hours played · 2 readers marked it helpful
A further 6 reviews call the game buggy or broken without saying how, which is why they are counted separately rather than assigned to a theme. Counted by keyword across review text, so a review discussing two problems is counted under both. Read the reviews yourself.
Games like Subnautica
24 games overlap with Subnautica on the tags Steam players applied to it, on genre, and on theme. The closest are Subnautica: Below Zero, No Man's Sky and Breathedge.
Common questions about Subnautica
What platforms is Subnautica on?
Subnautica is available on iOS, Android, iPad, Android Tablet, PC, PlayStation 5, Xbox One, Xbox Series X and Series S, Nintendo Switch, Steam Deck. It first released in 2014.
How much does Subnautica cost?
$29.99 on Steam in the United States, read on 30 August 2026. Prices move often and vary by region, so check the store before buying.
Do players recommend Subnautica?
97% of 379,053 Steam reviews are positive, which Steam rates Overwhelmingly Positive. That is players rating it, not our review. We have not published a review of this game.
What is the Metacritic score for Subnautica?
87 out of 100 for the PC version, as published on the game's own Steam store page. Steam can lag Metacritic by a few points.
Does Subnautica work on Steam Deck?
Valve rates Subnautica as verified on the Steam Deck, from its own testing. That means it works out of the box with no configuration.
How big is the Subnautica download?
20 GB on PC, from the storage requirement on its Steam listing. Console versions differ.