Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines, terraform voxel terrain, and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - All while trying to survive.
User reviews:
Recent:
Very Positive (1,733 reviews) - 92% of the 1,733 user reviews in the last 30 days are positive.
Overall:
Very Positive (16,180 reviews) - 92% of the 16,180 user reviews for this game are positive.
Release Date: Dec 16, 2014

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Some games are built inside boxes. No one can see inside the box, they can't enjoy the game while it is being built, and its strength depends completely on the skill of the people inside the box. Other games are made out in the open in full view, with countless people contributing to them in innumerable ways. They can be enjoyed while they are pieced together. At Unknown Worlds, we like making games in the open. It's more fun that way, and we think it makes better games.”

Approximately how long will this game be in Early Access?

“Subnautica will most probably be in Early Access for a significant portion, or most of 2015. There a reasonable chance that it will be longer, or shorter. Members of the Subnautica team have differing ideas about how what exactly will be done before Early Access finishes, and the scope of work to be done (and therefore time needed) will be heavily influenced by your feedback during the Early Access process.”

How is the full version planned to differ from the Early Access version?

“Early Access is a nucleus around which a better, bigger, and more fun game can form. Lots of the core elements of Subnautica gameplay are already in place. Over time the world will grow larger, deeper and more striking, creatures more diverse and intelligent, loot, crafting and vehicle construction more comprehensive, the story more fleshed out, and ecosystems richer and more vibrant . Large submarines, new unique life forms, and fantastic environments are all in production and will be introduced to Subnautica Early Access in updates.”

What is the current state of the Early Access version?

“Subnautica is absolutely playable and relatively stable right now. There is at least one hour of adventure content available for play right now. Before going on Early Access, Subnautica was publicly available and playable for two months. In this time, significant work was done to ensure that the game is in a state to stand up to the demands of Early Access.”

Will the game be priced differently during and after Early Access?

“Subnautica's price might go up, down, or stay the same during and after Early Access. We don't expect it to change, but the possibility is there.”

How are you planning on involving the Community in your development process?

“Open development is everything to Unknown Worlds. Here's how you can get involved in, influence, and be a part of Subnautica's development:

Production Tracking


Subnautica's production is tracked using a public Trello board, access it by clicking here. You can see and vote on tasks in real time.

Feedback System


Want to tell the development team something? Just fit F8 in game. You can give feedback in different categories, send screenshots, and more. It gets better: All feedback data are publicly available - View and download them by clicking here.

Changes & Checkins


See exactly what has been changed in and added to Subnautica, in real time, and for all history. Every checkin made by any member of the development team is available to view and download. Click here to see.

Experimental Branch


Subnautica gets an update, on average, every few weeks. If you want to get more involved in development, you can receive an unstable 'Experimental' branch twice per day. This is raw stuff: Experimental comes straight from out 'source repository' and receives no testing. Click here to find out how to access it.

Accessible Developers


There are a bunch of ways to tell the Subnautica development team what you think. Live chat rooms, public voice-chat play tests, twitter, forums, in-game feedback systems and more. All the ways to talk to the team are described in a handy Steam Guide.
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Recent updates View all (47)

June 1

Power Nap Update Released



The Power Nap Update has been released on Steam! Check out the Power Nap Update site to see all the juicy, energising details about what’s included.

https://www.youtube.com/watch?v=79ZxlyU2w7Q

Recharge your batteries using the new Battery Charger. The Battery Charger can be used to recharge exhausted batteries for flashlights, light arrays, and more.



Have depleted powercells as well? You can also create Powercell Charger for all your powercell charging needs.



Time to rest your weary head on your new bed. Three options for beds make all your Habitat dreams come true. Complete with laying-down animation.



Follow around Gasopods and pick up their gas orbs as materials for the new gas torpedo. Once you have some gas pods and titanium, head over to the Seamoth upgrade station to make your torpedoes. These missiles release a cloud of toxic gas upon impact.



Sea Treaders are Subnautica’s gentle giants. As they tread along, they drop basalt rocks and (sometimes) manure. The latter can be used for bio-energy!



You’ve seen them around but not like this — Introducing the final model for the Solar Panels! Just when you thought solar energy couldn’t get any better.



Want to be notified next time Subnautica receives a big update? Sign up to the Subnautica Mailing List! You can also follow development on Subnautica’s Trello Board. Leave us feedback by pressing F8 in game, and by posting comments below. Thanks for playing, and happy diving!

http://store.steampowered.com/app/264710

357 comments Read more

May 6

Machinery Update Released



A new update for Subnautica has been released! Check out the Machinery Update site for more.

https://www.youtube.com/watch?v=qRjICSP7n2c

The latest and greatest technology in the world of Subnautica is the Map Scanner room. These rooms can be built on to existing habitats, or can stand alone. Map Scanner rooms will scan nearby seafloor, searching for a select array of resources. Additionally, there are two exterior cameras that can be piloted remotely. Upgrades bring additional benefits.



The Cyclops gets a massive technology overhaul. Improvements include better proximity sensors, a hull camera, deeper dives, functioning lockers, and more.



Bio Reactors and Nuclear Reactors are officially an option. Bio Reactors require plant matter to function, Nuclear Reactors require Radiation Rods [CHECK]. Both must be places in a Multi-Purpose Room.



Thermal Reactors have been around for a while, but now they look the part. The Machinery Update brings a model to this useful piece of tech.



The Blood Kelp biome grows with the addition of the Blood Kelp 2 zone. Both Blood Kelp areas will serve as entrances to the Lost River Biome, still in development. In Blood Kelp 2 you will also find a new critter, the Crabsquid. Be careful not to touch, as it can deliver a nasty attack.



The floating storage container now functions! Build it and fill it with all your favorite things.



Creatures will now respawn after being killed by another creature or the player. This feature was in high demand by you, the players! Thank you for your continued feedback to support the development of Subnautica.


Want to be notified next time Subnautica receives a big update? Sign up to the Subnautica Mailing List! You can also follow development on Subnautica’s Trello Board. Leave us feedback by pressing F8 in game, and by posting comments below. Thanks for playing, and happy diving!

http://store.steampowered.com/app/264710

394 comments Read more
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About This Game

Subnautica is an open world, underwater exploration and adventure game currently under construction at Unknown Worlds, the independent developer behind Natural Selection 2.

Dive Into a Vast Underwater World




After crash landing on an alien ocean world, the only way to go is down. Subnautica's oceans range from sun drenched shallow coral reefs to treacherous deep-sea trenches. Manage your oxygen supply as you explore Kelp Forests, plateaus, reefs, and winding cave systems. The water teems with life: Some of it helpful, much of it harmful.

Scavenge, Craft, and Survive




After waking up in your Life Pod, the clock is ticking to find water, food, and to develop the equipment you need to explore. Collect resources from the ocean around you. Craft knives, lights, diving gear and personal water craft. Venture deeper and further form to find rarer resources, allowing you to craft more advanced items.

Construct Underwater Habitats




Build bases on the sea floor. Choose layouts and components, and manage hull-integrity as depth and pressure increase. Use your base to store resources, park vehicles, and replenish oxygen supplies as you explore the vast ocean.

Disrupt the Food Chain




The ocean teems with life: Use the ecosystem to help you. Lure and distract a threatening creature with a fresh fish, or simply swim as fast as you can to avoid gnashing jaws of roaming predators.

Fear the Night




As the sun goes down, the predators come out. The ocean is unforgiving of those caught unawares in the darkness. Areas that are safe to explore during the day become treacherous at night, but also reveal a beauty that those who hide from the darkness will never see.

Shape the World




The Subnautica sea-floor is presented using a dynamic voxel terrain system. Dig caves to hide, store loot, or short-circuit cave systems. Impacts from vehicles, or even exploding creatures, will change the way the world looks.

Go Below The Deep




Cave systems wind below the sea bed, from dark claustrophobic passages to caverns lit by bio-luminescent life. Explore the world below the ocean floor, but watch your oxygen levels, and take care to avoid the threats lurking in the darkness.

Open Development




Get weekly or daily updates, see what the development team is working on, view real time change logs, and give feedback from inside the game. Subnautica Early Access development is open, and the development team wants to hear from you.

About the Development Team




Subnautica is being created by Unknown Worlds, a small studio founded by Charlie Cleveland and Max McGuire that traces its roots back to the 2003 Half-Life mod Natural Selection. The team is scattered around the globe, from the United States to the United Kingdom, France, the Czech Republic, Russia, Thailand, Australia, and many more places. There is a central office in San Francisco, California that serves as home base for the whole team.


System Requirements

Windows
Mac OS X
    Minimum:
    • OS: Windows Vista SP2 or newer, 64-bit
    • Processor: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent
    • Memory: 4 GB RAM
    • Graphics: Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950pts in the 3DMark Fire Strike benchmark
    • Storage: 6 GB available space
    • Additional Notes: Subnautica is an Early Access game, and minimum specifications may change during development
    Recommended:
    • OS: Windows Vista SP2 or newer, 64-bit
    • Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent
    • Memory: 8 GB RAM
    • Graphics: Nvidia GTX 550 ti or equivalent
    • Storage: 6 GB available space
    • Additional Notes: Subnautica is an Early Access game, and recommended specifications may change during development.
    Minimum:
    • OS: OS X 10.9 Mavericks
    • Processor: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent
    • Graphics: Intel HD 4600 or equivalent
    • Storage: 6 GB available space
    • Additional Notes: Subnautica is an Early Access game, and minimum specifications may change during development
    Recommended:
    • OS: OS X 10.9 Mavericks
    • Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent
    • Graphics: Nvidia GTX 550 ti
    • Storage: 6 GB available space
    • Additional Notes: Subnautica is an Early Access game, and recommended specifications may change during development.
Customer reviews
Customer Review system updated! Learn more
Recent:
Very Positive (1,733 reviews)
Overall:
Very Positive (16,180 reviews)
Recently Posted
colethelion321
( 11.9 hrs on record )
Early Access Review
Posted: June 28
best game ever-10/10
Helpful? Yes No Funny
Lew1s32
( 1.0 hrs on record )
Early Access Review
Posted: June 28
great sea game
Helpful? Yes No Funny
Leonerdio
( 17.0 hrs on record )
Early Access Review
Posted: June 28
This game is amazing,lots of things to explore,unlock and overall beautiful graphics. It lags a bit for me when loading terrain but its mostly due to me playing on a potato dual core CPU.
Helpful? Yes No Funny
[JK]Shadow (弗罗)
( 11.0 hrs on record )
Early Access Review
Posted: June 28
Amazing atmosphere, at first i was a little bit concerned about the quality of the game since it's an early access game, but i definetly don't regret this investion. Well made game, playable on all patches since i got it and the developer reacts to criticism --> the game is evolving at a fast rate. Still exited to play it, even if these type of games can vary p much in the time i play them. People who likes to play Space Engineers or other building games should have much fun with it!
Helpful? Yes No Funny
Jedasd
( 0.6 hrs on record )
Early Access Review
Posted: June 28
Great game. Really gives you the feeling of being underwater and it triggers my phobia. But I still want to play it.

Bought 2 times refunded 2 times and will buy one last time.
Helpful? Yes No Funny
Who
( 5.2 hrs on record )
Early Access Review
Posted: June 28
Too much water 7/10 IGN
Helpful? Yes No Funny
Umut The Muz
( 3.8 hrs on record )
Early Access Review
Posted: June 28
Can play on lowest ♥♥♥♥ available.
Still fun.
Helpful? Yes No Funny
Sempervivum
( 5.4 hrs on record )
Early Access Review
Posted: June 28
Well... I just played for 5 hours straight without even realising. I had an absolute blast figuring out how to get a base up and running and am now decking it out with all manner of accessories. This has to be one the most refreshingly interesting games I've played in years and I honestly can't wait to wake up and play more.

The one issue I'm having is deciding which fish to put in my tank, and which ones need to go in the Bio-reactor to keep the lights on.
Helpful? Yes No Funny
qryyg1
( 10.7 hrs on record )
Early Access Review
Posted: June 28
I bought this game on a whim, "Meh, why not"!

So glad I bought it. Very immersive.

A couple of minor points:
I'm playing on a fairly average laptop using a Radeon R4 card. The game said I might experience some problems. While I acknowledge other users have experienced issues, I haven't had any problems. Game play has been very smooth.

While I could connect a USB mouse, I'm using the laptop touchpad/keyboard, at times it's a little frustrating, e.g. catching fish. It would be nice if it would let me connect my gamepad.
Helpful? Yes No Funny
JJ Abrams
( 0.2 hrs on record )
Early Access Review
Posted: June 28
This game is trash. Take this from Director Abrams that directed the magnificent Star Wars: The Force Awakens
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
186 of 193 people (96%) found this review helpful
16 people found this review funny
Recommended
100.0 hrs on record
Early Access Review
Posted: June 7
There is no other game like this on steam and once you begin to play you'll never be able to stop. Beautiful immersive world that sucks you in with its bright colors and delightful sounds then scares the crap out of you with its shaped teethed creatures who may or may not swollow you whole. Hunt for teasure and loot, discover the mystery behind the crash and the missing crew, explore the vast ocean from friendly cheerful coral reefs of the Safe shallows to the dark deep underwater caves of the Blood Kelp and the Jelly Shroom caves. Make your own underwater base and set up your new home on the alien world. Grow underwater crops inside and outside your base, make a aquarium and collect or breed fish for food or jus to keep them as pets and much much more.

Has active devs that give the game tiny updates about once a month so you never have to wait half a year or more to get new content and a very nice and helpful steam community.

To put it simply this is the best undersea adventure you'll ever have.
Was this review helpful? Yes No Funny
162 of 199 people (81%) found this review helpful
9 people found this review funny
Recommended
91.0 hrs on record
Early Access Review
Posted: June 16
great game, be better with co-op or multiplayer
Was this review helpful? Yes No Funny
76 of 86 people (88%) found this review helpful
7 people found this review funny
Recommended
38.5 hrs on record
Early Access Review
Posted: June 1
Im a Scuba Diver in real llife and a gamer so when I saw this game, I was intrigued. If you enjoy a survilval game based on eploration and gathering for food and water and huge into the mysteries of the ocean then get it. I already have so many hours logged on this game. Love it!! can't wait to see how the game develops.
Was this review helpful? Yes No Funny
70 of 78 people (90%) found this review helpful
4 people found this review funny
Recommended
113.7 hrs on record
Early Access Review
Posted: June 4
This is THE model for early access development. Game allows painless ingame feedback, devs keep Trello up to date, experimental build is updated daily, big updates are monthly. This is what early access is all about. The content changes and feedback process is enough to make you want to replay the game every update. By buying in early access you are getting you money's worth time and again.

As to the game, it is beautiful, graphically exceptional. The execution is brilliant and the world feels alive. There is a lot of content already and more to come. The game is not violent, and while I love my hack and slash, its nice to have a game focused on something other than killing. There is danger enough to get your heart racing.

My only negative feedback so far, its really easy. I'm waiting for the dev's to add creature attacks on the base and such. Also take the negative with a grain of salt, most things get easy on the tenth replay...
Was this review helpful? Yes No Funny
38 of 41 people (93%) found this review helpful
5 people found this review funny
Recommended
50.4 hrs on record
Early Access Review
Posted: June 2
Easily one of the most engrossing games I've ever played. Despite how simple it is and the lack of 'things to do', the evironment itself will constantly be throwing new hurdles at you without the need for any quest arrow nonsense. There are intense moments of panic as the wildlife takes you by surprise, or you may even become your own worst enemy when you have a panic-attack freak out in an underwater cave and let claustrophobia get the better of you.

In fact, without ever intending on it, I think this is the best horror game I've seen in recent years.

Very easily a 10/10, with content still inbound and coming in at a steady enough pace. I almost wouldn't even believe it were early access. Very minor nitpicking bugbears with some audio effect issues and glitches, but nothing that is too detracting from the awesomeness.
Was this review helpful? Yes No Funny
68 of 92 people (74%) found this review helpful
70 people found this review funny
Recommended
3.9 hrs on record
Early Access Review
Posted: May 28
Exactly 60 minutes into playing this game, I got so scared I nearly ♥♥♥♥ my pants. I just wanted some creepweed or whatever to make rubber for a knife but something bit me in the butt and then I got scared and everyone laughed at me and I have no friends.

10/10 would recommend. A++ better than Minecraft
Was this review helpful? Yes No Funny
73 of 102 people (72%) found this review helpful
131 people found this review funny
Recommended
26.5 hrs on record
Early Access Review
Posted: June 6
"Finally! I'm done hunting for blueprints! That only took an hour. I'll just head back to my base and-"

-hears a sandshark behind me-

"Simple enough, I'll just escape on my seaglide."

-seaglide's power is dead-

"Simple enough, I'll just change out the battery real quick."

-is out of batteries-

-gets killed by the sandshark-


11/10
Was this review helpful? Yes No Funny
21 of 21 people (100%) found this review helpful
6 people found this review funny
Recommended
8.3 hrs on record
Early Access Review
Posted: June 14
Now this is what I call survival horror.
Was this review helpful? Yes No Funny
21 of 22 people (95%) found this review helpful
Recommended
199.8 hrs on record
Early Access Review
Posted: May 29
I've been following this game and its developers for almost a year now, I think. Maybe even longer. I've spent almost 200 hours in total playing the game. 20 of which I was probably staring at the beautiful scenery, water an light effects. And even though I've been into this game since early 2015, the developers still manage to amaze me every time they put up a new update. Every single update gives me a new reason to start another survival game. I think that the best parts of this game are its looks and sounds. Whenever you're in a safe zone, you really get the feeling of safety and happiness. Once you start going into the deep, you really get that voice in your head, telling you to hurry back to the safe zone. This is the first game I have ever reviewd. In my opinion this game deserves a 10/10. It is still an early access game and still has quite a few bugs if you start looking for them and get as involved with the game as I am. Though still, the team behind this game is doing a very, VERY good job and have managed to step forward with one of the best games I think I have played in the past couple of years. I would seriously recommend this game to really anyone.
Was this review helpful? Yes No Funny
242 of 432 people (56%) found this review helpful
563 people found this review funny
Recommended
48.3 hrs on record
Early Access Review
Posted: June 11
Before I played:
\\ _
   \( ͡° ͜ʖ ͡°)
    < ⌒ヽ
   /   へ\
   /  / \\
   レ ノ   ヽ_つ
  / /
  / /|
 ( (ヽ
 | |、\
 | 丿 \ ⌒)
 | |  ) /
`ノ )  Lノ
After I played:
/フフ         ム`ヽ
/ ノ)         ,) ヽ
/ |  ( ͡° ͜ʖ ͡°)ノ⌒(ゝ._,ノ
/ ノ⌒7⌒ヽーく  \ /
丶_ ノ 。   ノ、 。|/
   `ヽ `ー-'_人`ーノ
    丶  ̄ _人'彡)

I have to swim more...
Was this review helpful? Yes No Funny