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Ostranauts on Steam

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Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.

Ostranauts is a early access, top-down and cyberpunk game developed by Blue Bottle Games and published by Kitfox Games.
Released on August 03rd 2026 is available on Windows, Steam Deck and Steam Machine.

It has received 1,886 reviews of which 1,494 were positive and 392 were negative resulting in a rating of 7.6 out of 10. 😊

The game is currently priced at 20.49€ on Steam.


The Steam community has classified Ostranauts into these genres:

Media & Screenshots

Get an in-depth look at Ostranauts through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 version 21H1 (or newer)
  • Processor: Dual Core 2 GHz
  • Memory: 8 GB RAM
  • Graphics: Intel HD 4600 (AMD or NVIDIA equivalent)
  • Storage: 2 GB available space

Steam Price & Best Deals

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

140 hours played
Oct. 2026
Single-player SS13 made for/by insane people. First off, a lot of the criticisms floating around this game are 100% valid, quality of life is very much an afterthought especially once you get into automation, and a lot of systems could use a second pass or a better tutorial. Still, it's in a very playable state, and i've come to love the jank of passion projects like these. It's really games like these (think kenshi or songs of syx) that activates my almonds, and i think you should give it a shot if you have even a little propensity for janky ambitious passion projects. EDIT: 100hrs later and my review still stands. a lot of jank and pointless areas scattered about, but also a lot entertainment to be had if you focus on the stuff that works.
34 hours played
Sept. 2026
I just wanted to leave this review because there was so many mixed reviews and that made me almost not buy this but I am quite happy that I did. This game is a ton of fun for those who enjoy a chill, deep sim type game. The ship control console and everything is so immersive. The friction most people are running into is that the game is fairly complex, it doesn't just explain to you what an appropriate atmosphere composition is for your little humans and you have 02, C02, N02 tanks, pressure, regulators, intake etc so you have to do a little research to properly use many of the system but its these attentions to detail that make this a immersive deep sim. You can pick up a nuclear reactor manual and actually read it and follow the schematics to build your own on the ship, I love this. If these are the kinds of things you love doing then you'll like this game, if you want to just jump in and expect this to be a simple arcade style game then yes you'll struggle and it might not be the place for you.
163 hours played
Aug. 2026
Some people seem to think the only thing to do in the game is cut apart junk ships and sell them. While you start as a spaceship scavenger, that is a deliberate skillset given to the player character to ensure they can go on to do the real game. That game is anything you want; bounty hunting, space piracy, long haul trucking, asteroid mining. Whatever you care to do, even building a battleship one piece at a time with the help of a bunch of crewmen. Some people have gone to the beach, picked up a handful of sand, said "Where's the ocean", and walked away. Don't listen to them.
150 hours played
Aug. 2026
Coming as someone who ONLY played this after the 1.0 release - An amazing, great game. One of the best of all time maybe. But only If you can tolerate the janky UI and total lack of documentation on what is actually a feature of the game, and what isn't. So, why do I love it so much? Well, it's the most immersive spaceship game I've ever played. It's not just about piloting the spaceships - it's about living a simulated life *as* a spaceship captain. In this game, everyone, including you, needs to sleep somewhere, drink, eat, use the toilet, and socialize. I've visited bars on the space station just to chat and flirt with random people in order to address my psychological needs. I've used coffee as a replacement for sleep, and suffered the consequences. I've engaged in idle chitchat with someone with the intention of pivoting to the subject of hiring them as crew - and succeeded. I've spent hours alone working on my ship, sending my needs for achievement, privacy, and security to the best they can possibly be, while my needs for socialization, belonging and intimacy tanked. I've left the helm unattended, risking colliding with something just to get a few extra minutes of repairs in before I need to take control again. I've shut off alarms because they annoyed me, only to die because I forgot they were off and I didn't get the warning in time. I've accidently left my air pumps on and didn't notice my ship was pressurized to ~50 times earth atmosphere until I started hearing metal creaking from the fusion fuel tanks inside my ship being crushed. I've been pressed into my pilot seat by gforces from accelerating. I've had crew members fall over while they were working when I did a sudden maneuver. I've died to fires in my ship, and I've had my life saved by my CO2 alarm going off while I was piloting. I've vented the entire cabin into space to get rid of the smoke and co2, and lived to tell about it. I've fled into the space station from a fire on my ship while docked, only to die of heat stroke, burns, and inhalation of smoke and co2. I've accidently walked into space without a sealed suit too many times to count, and usually lived. One time I did so while working on my ship in dock, and barely made it into the pressurized station - at the end I was moving at a snails pace, on the verge of blacking out, body pressed to the absolute limits. A minute or so of rest, and I went back to work on my ship, now a little smarter. I've subdued or killed pirates with my fists, a tactical knife, a 9mm pistol, and a katana. I've had pirates panic after shooting at them several times, even though I didn't hit them. I've sold a colt 1911 I found on a junked ship because I have no idea where to buy .45 ammo in this backwater I'm stuck on. I sold a cutlass I found because who needs one when they already have a katana. I finally assembled a fusion reactor, and figured out how to start it. I also made a small mistake and seriously wore it out and almost exploded it. I reloaded a save game to avoid having to find a new one that hadn't been taken to the verge of ruin by a stupid newbie. Then I figured out what I did wrong, and successfully started and used the reactor without damaging it. I've been putting things like bedrooms, bathrooms, and exercise rooms in my ship - in preparation for my first journey from this junkyard rock in the middle of nowhere, to an actual place like the cloud cities of Venus, affluent Mars, the moon (which I've been told is haunted) or the United States Military Industrial Complex, located on the moon Titan. Just some of the examples of places I could go, from The Sun, out to the Oort cloud. 81 hours in and I've barely scratched the surface! So what's bad? Mostly the UI. The UI works, it tells you what you need to know, and lets you do what you need to do - but you will need to spend maybe 20 hours figuring out just the basics of what the f it's telling you, and how the f you do the things. For the first 10-20 hours playing, if you're like me you're going to be asking yourself WTF did that just happen (haven't learned how to read the UI yet, don't know what's possible within the game), Why did my character/this NPC do this stupid fatal thing (probably because I told it to do that stupid thing, or it wasn't actually stupid). Why does this ship part work in this stupid way (it probably doesn't work that way, or the way it works is actually not stupid). Why do I have to micromanage everything all of the time! (don't have to micromanage everything all of the time, but learning how to use the install planning / orders system and the tasks system is a whole new learning experience compared to directly controlling your character). That was my experience anyway. Finally, bugs. As near as I can tell everything important in the game works fine, which I consider a miracle given the scope of the game. So I don't know what all the "this game is buggy and unplayable!" people are talking about. That being said, I have experienced the following 6 things that I believe are bugs: 1. The one system I've encountered that seems flat out bugged and not working seems to be pirates surrendering - the game seems to imply I can give a surrendered pirate orders or take control of them somehow, but I've never had any control whatsoever over them. Can't even ask them to drop their weapon, frisk them, or restrain them. They do stop attacking for a while, but that's it. 2. Speaking of dumb pirates, sometimes when a pirate jumps me and docks to my vessel - instead of actually boarding me they just stay on their ship and do random tasks. Also it seems like I can just undock from forced docking? I've yet to have permission to undock refused. Seems like a bug? 3. I've also had occasional stuttering that sucks but is still playable - it seems to happen after a while playing, and goes away after quitting and reloading. 4. The game hasn't crashed on me yet, but it does hang when I quit the game more often than not, and I have to force close. Annoying, but not game breaking in any way. Fixed by a post release patch. 5. Sometimes the character interaction leaves me hanging at "waiting for the other person to respond". But this is relatively rare/situational and seems to resolve itself eventually. Unfortunate and I hope they fix it, but again - not unplayable. 6. Last bad thing - sometimes NPC ships ignore the speed of their ship and the limits of the human body. I didn't see this happen until relatively recently when a pirate jumped my extremely fast ship. I dodged them, outran them, out accelerated them - but then, they went from rapidly falling behind me to surging into me in an amount of time that would have turned them into goo. After killing them I observed that their ship wasn't that fast either. Devs, this sucks - please fix it. So overall? This game has been amazing. Not broken, not unplayable. Just has a really high UI learning curve, a few non fatal technical issues, and some unfortunate bugs. Maybe all the game breaking stuff happens after the 81 hour mark?
184 hours played
Aug. 2026
184 hours in, and Ostranauts is one of the most immersive space games I’ve ever played. I’m a big fan of KSP, Space Engineers, Stationeers, and The Expanse. But Ostranauts gives me something none of them quite manage to do: it makes me feel like I’m actually living a life in space. And not the heroic kind. You’re just some poor bastard trying to survive, make money, keep your ship running, and hopefully not blow yourself up because you assembled or started your reactor incorrectly. The simulation is incredible: atmosphere, pressure, temperature, electricity, gases, engines, reactors, character needs, economy, jobs, exploration. And yes, the game is difficult to learn. That’s not a downside — the complexity is a huge part of the immersion. For example, learning how to properly assemble and start a reactor takes only about 20 hours of real life instead of 10 years. Progress! I built my current ship completely from scratch, trying to create the perfect ship for every situation. It only took me about 100 hours. :) But the best part of Ostranauts is the stories it creates. I once accidentally inflated my ship to insane pressure with a turbopump while trying to figure out the airlock. My in-game mother paid for my visa to Venus. And during my first pirate encounter, I was sitting in my underwear desperately trying to patch a hole in my ship when a pirate broke in. I panicked, hit him with a screwdriver… …and accidentally killed him with one hit. That is Ostranauts. My biggest criticism is the graphics. The pixel-art style is dirty and visually cluttered, and sometimes it’s genuinely difficult to understand what you’re looking at or where things are. That’s basically the reason this isn’t a 10/10 for me. But underneath those pixels is a space simulation unlike anything else I’ve played. You can start over and live a completely different life, build a completely different ship, make different mistakes, and come away with completely different stories. If you love KSP, Space Engineers, Stationeers, or you’ve ever watched The Expanse and thought, “I don’t want to be Holden. I want to be some poor bastard desperately trying to keep an old ship from falling apart,” this game is for you. 9/10. Would spend another 20 hours learning how not to explode my reactor.

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Frequently Asked Questions

Ostranauts is currently priced at 20.49€ on Steam.

No, Ostranauts is currently not on sale. You can purchase it for 20.49€ on Steam.

Yes, Ostranauts received 1,494 positive votes out of a total of 1,886 achieving a rating of 7.62.
😊

Ostranauts was developed by Blue Bottle Games and published by Kitfox Games.

Yes, Ostranauts is playable and fully supported on Windows.

No, Ostranauts is not playable on MacOS.

No, Ostranauts is not playable on Linux.

Yes, Ostranauts is playable and fully supported on Steam Deck.

Yes, Ostranauts is playable and fully supported on Steam Machine.

No, Ostranauts does not support VR.

Ostranauts is a single-player game.

Yes, there is a DLC available for Ostranauts. Explore additional content available for Ostranauts on Steam.

Yes, Ostranauts is fully integrated with Steam Workshop. Visit Steam Workshop.

No, Ostranauts does not support Steam Remote Play.

Yes, Ostranauts is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Ostranauts.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 03 October 2026 22:41 UTC
SteamSpy data 24 October 2026 01:31 UTC
Steam price 27 October 2026 03:37 UTC
Steam reviews 19 October 2026 10:05 UTC

If you'd like to dive deeper into the details about Ostranauts, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Ostranauts
  • SteamCharts - Analysis of Ostranauts concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Ostranauts compatibility
Ostranauts
Rating
7.6
1,494
392
Game modes
Features
Online players
157
Developer
Blue Bottle Games
Publisher
Kitfox Games
Release 03 Aug 2026
Platforms