Skip to main content
Ostranauts Game Cover

About Ostranauts

Ostranauts is a single player open world role playing game with a science fiction theme. It was developed by Blue Bottle Games and was released on September 10, 2020. It received mostly positive reviews from players.

Ostranauts is a detailed simulation of owning and living aboard a spaceship, in a solar system where honest living is a slow death sentence. Set in the NEO Scavenger universe, where Earth has suffered cataclysmic collapse, the rest of the System lives on in a state of capitalistic dystopia. Players will create their captain, build or customize their starting ship from the spoils of their career h…

Skip Games Like Ostranauts

Games Like Ostranauts

Looking for games like Ostranauts? Here are top open world role playing recommendations with a science fiction focus, selected from player-similarity data — start with HELLION, Starmancer or X4: Foundations.

Skip User Reviews

Reviews

80%Audience ScoreBased on 2,258 reviews
gameplay121 positive mentions
stability153 negative mentions

  • Deep and complex space salvaging and shipbuilding simulation with a rewarding gameplay loop.
  • Highly immersive dystopian sci-fi atmosphere reminiscent of The Expanse, with detailed worldbuilding and emergent storytelling.
  • Active and responsive developer team with frequent updates and an engaged community improving the game.
  • Steep learning curve and unintuitive, cluttered UI that requires significant time investment and external resources to understand.
  • Performance issues including frequent stutters, memory leaks, and lag especially on long play sessions or older hardware.
  • Buggy AI and crew management systems causing tedious micromanagement and sometimes frustrating gameplay interruptions.
  • gameplay

    553 mentions Positive Neutral Negative
    22% positive mentions, 71% neutral mentions, 7% negative mentions

    Ostranauts offers a deep, complex, and immersive gameplay loop centered on salvaging derelict ships, upgrading and customizing your own vessel, and managing survival mechanics within a gritty sci-fi setting. While praised for its realistic ship systems, emergent gameplay, and satisfying progression, the experience is often hindered by a steep learning curve, clunky controls, unforgiving micromanagement, occasional bugs, and minimal in-game guidance. Despite these flaws, the core mechanics and rich systems present a compelling foundation appreciated by players willing to invest time and patience.

    • “The core gameplay loop involves flying out to derelict vessels in the small system you start the game out in, boarding broken and abandoned ships and then salvaging any valuable loot or intact systems like reactors and fuel, fighting the occasional pirate, then repairing, restoring, and selling those systems/loot on at station kiosks or the black market to steadily increase your bank account, allowing you to improve your ship and eventually earning enough to buy a bigger one, which in turn lets you haul more and more stuff on each of your salvaging trips.”
    • “You’re given true freedom in space to figure things out your way, and the emergent gameplay scratches every itch I have for deep, systems-driven sci-fi.”
    • “The gameplay loop is fantastic and the progression is tangible in the sense of your tools, your ship and the scavenging; eventually you can fix up derelicts and sell them opposed to just scrapping.”
    • “The core gameplay loop (strip derelict ship for parts, sell those parts, upgrade your ship and gear) is solid, but very repetitive.”
    • “But ultimately, this game commits some unforgivable gameplay sins that make it, for me at this moment, unplayable: it wastes my time by being unclear, inconsistent and buggy.”
    • “The general gameplay loop is flying to derelict ships to explore them and tear out any parts that are valuable to sell so you can pay off the mortgage on your own ship; however, the game is far too unpolished and obtuse to be worth your time.”
  • story

    225 mentions Positive Neutral Negative
    16% positive mentions, 77% neutral mentions, 7% negative mentions

    The game's story is largely emergent and player-driven, centered on survival, exploration, and character backstory rather than a defined main plot. While it features intriguing world-building, atmospheric environmental storytelling, and some quest lines, many quests are buggy, vague, or lack meaningful progression, leaving the overall narrative feeling underdeveloped and at times frustrating. Players appreciate the rich role-playing elements and potential for personalized stories but note that the main storyline and structured content remain sparse and unfinished in this early access title.

    • “The "meat" storyline is also quite interesting, with 3 potential paths to choose in how you solve the supernatural situation.”
    • “The game nails a sense of eerie isolation and environmental storytelling that few space games manage to capture.”
    • “It's a fantastic experience for anyone who appreciates rich storytelling, tough decisions, and the dark beauty of life in space.”
    • “The main storyline isn't interesting to me; it doesn't seem to have any relation to the setting and the rewards aren't good.”
    • “- NPCs and their quests are vague and often bring up a prototype console navigation screen that doesn't show anything useful and doesn't pinpoint anywhere.”
    • “There is quite literally one working quest and it is the simplest one, fetching scrap and getting paid little for it.”
  • graphics

    181 mentions Positive Neutral Negative
    24% positive mentions, 63% neutral mentions, 13% negative mentions

    The game's graphics are predominantly low-fidelity pixel art with a retro, dystopian aesthetic that some players find charming and fitting for the setting, while others find them cluttered, unclear, and difficult to interpret. Visuals often appear busy, pixelated, or blurry, occasionally causing confusion about in-game objects and frustrating usability, though many praise the art style's contribution to atmosphere and immersion. Overall, the graphics are a divisive element—valued by fans of minimalist or "used future" styles but considered a barrier for those expecting clarity or modern visuals.

    • “The graphics may be lo‑fi, but they fit the gritty, lived‑in world and never get in the way of the game’s complexity.”
    • “The visuals are undeniably low‑fi, but they work far better than I initially gave them credit for.”
    • “The graphics don’t try to impress—they just get out of the way and let the systems shine.”
    • “The graphics could be clearer; it is hard to see what's what. A lot of stuff is very pixelated and kind of all blends in sometimes—good luck finding batteries you put down somewhere.”
    • “Blurry pixel graphics make my eyes and head hurt.”
    • “All the object graphics are a mushy mess, making it impossible to work out what anything is.”
  • stability

    157 mentions Positive Neutral Negative
    3% positive mentions, 0% neutral mentions, 97% negative mentions

    The game is widely reported as highly buggy and unstable, with frequent crashes, freezes, save corruption, and numerous gameplay glitches that often render it frustrating or even unplayable. While many acknowledge it is in early access with notable potential, stability issues significantly hinder the experience, making it recommended only for players tolerant of persistent bugs and rough edges.

    • “Runs great on Linux.”
    • “Also runs great on Steam Deck.”
    • “But for the content in the game, once you're used to the controls, it is awesome, and you'll be wishing it wasn't as buggy so you could enjoy it more.”
    • “The typical playthrough ends when the game is eventually rendered unplayable by steadily accumulating glitches, which happens sooner or later every single time.”
    • “Fifty percent of the time it just freezes up when you try to load a save without the option to close the game because it keeps tabbing back to itself forcing you to hard reset your PC.”
    • “It's barely workable, saves corrupt frequently, UI gets buggy randomly, have had some black screen lockups, etc. What the game is trying to deliver is pretty amazing, but if you don't want to contribute from what is currently definitely an alpha build you will probably want to hold off purchasing until it is more playable.”
  • atmosphere

    127 mentions Positive Neutral Negative
    44% positive mentions, 52% neutral mentions, 4% negative mentions

    The game's atmosphere is widely praised for its gritty, immersive, and authentic depiction of space survival, combining detailed systems like realistic atmospheric pressure, ship management, and environmental hazards with evocative visuals and sound design. Players highlight the tense, claustrophobic feel of derelict stations, scavenged ships, and the broader cosmic setting, which evokes influences from noir sci-fi and space westerns, creating a richly atmospheric experience despite some bugs and a steep learning curve. Overall, the atmosphere is seen as a core strength that deeply enhances engagement and makes every accomplishment rewarding.

    • “The learning curve is steep, but the atmosphere of decaying stations, scavenged ships and constant improvisation makes every small success feel rewarding.”
    • “The minimalist style actually enhances the atmosphere: the derelicts feel eerie and abandoned, the cramped ship interiors feel lived‑in, and the world’s gritty tone comes through clearly.”
    • “The gritty atmosphere and attention to detail make space survival a thrilling challenge.”
    • “Starting in debt buying your first ship (most of the time) on player creation and working your way out of it feels great and adds to the game's already oppressive atmosphere.”
    • “Every 1 in 10 station visits, my ship would disappear from the airlock, and the station's atmosphere would mysteriously vent into space, slowly killing all the essential NPCs inside.”
    • “Bugs like your character equipping a space helmet for no clear reason and then falling unconscious once the air runs out while inside your ship where the atmosphere is fine.”
  • optimization

    109 mentions Positive Neutral Negative
    7% positive mentions, 67% neutral mentions, 26% negative mentions

    Ostranauts suffers from significant performance and optimization issues, including frequent stuttering, memory leaks, long load times, and lag that worsens the longer the game is played, often requiring restarts or debugging to recover. While the game can run on lower-end systems, even high-end setups experience severe FPS drops and instability, though the developers are actively working on fixes and improvements throughout early access. Persistent optimization problems hamper immersion and gameplay fluidity, but ongoing patches offer hope for better performance in future updates.

    • “Ostranauts has systems for tracking who is having sex with who and what kind of genitalia they have over performance, no memory leaks, a quick save system that is actually quick and good load times for the size of the game.”
    • “At least I've played this on Windows and Linux (Proton Experimental), and the performance issues seem mostly smoothed out.”
    • “The developers have made a debug tool which solves a lot of the optimization issues.”
    • “Ostranauts is a low-performance game with many memory leaks; the save files are a complete joke, being compressed to save on size over speed using JSON.”
    • “It slowly consumes memory until it eats all 32GB and starts stuttering.”
    • “Serious performance issues make the game feel like a chore and kill the immersion every 20 seconds with FPS drops or full halt/stutters.”
  • grinding

    68 mentions Positive Neutral Negative
    0% positive mentions, 1% neutral mentions, 99% negative mentions

    Grinding in this game is widely described as tedious, slow, and often frustrating, with many mechanics—such as space travel controls, inventory management, crew handling, and shipbuilding—being overly micromanaged or cumbersome. While some appreciate the complexity and realism, the excessive grind, repetitive tasks, and unpolished systems detract from enjoyment and can make progression feel more like labor than fun. Players looking for a hardcore, simulation-heavy experience may find it rewarding, but it is generally not suited for those averse to lengthy, grind-heavy gameplay.

    • “The game is already so damn slow and tedious to play that I don't think I could even bear to play the content already in it, let alone whatever the developer wants to add.”
    • “Inventory management is tedious too, shift-clicking only moves items to the ground or into random inventory, so you end up manually dragging everything (or shift-clicking everything to the ground and then picking it up with a different storage in hand), resulting in more micromanaging.”
    • “Everything from uninstalling a component, to repairing it, to then restoring it, takes a lot of in-game time that can take minutes on end even at x16 speed, and that in itself is nothing compared to the tediousness of space travel and having to manually operate the docking and undocking procedure every time you need to land to travel anywhere.”
  • music

    39 mentions Positive Neutral Negative
    51% positive mentions, 41% neutral mentions, 8% negative mentions

    The music in the game is widely praised for its atmospheric and immersive quality, effectively enhancing the dystopian vibe and overall mood. While the soundtrack is considered excellent and fitting, some users note occasional long silences or abrupt stops in music, suggesting a need for more consistent ambient sounds or audio variety. Overall, the soundtrack is a standout feature, often described as engaging and integral to the game's immersive experience.

    • “The gameplay, music, and artistic direction are so immersive.”
    • “The ambient sounds, spaceship hums, and subtle musical cues contribute to the overall atmosphere, adding depth and authenticity to the game.”
    • “Amazing game, really good mechanics and immersion, truly great soundtrack (I find myself listening to it while doing other things).”
    • “The OST is not very good; it could use better music.”
    • “If I was feeling generous I'd describe the in-game audio as annoying, the music as instantly muteworthy, the UI as unintuitive, the voice acting as grating, and the overall art direction as just generally very ugly and unappealing in any way.”
    • “Amazing game, really buggy and wonderful for neurotics; only bad thing is the music imo, it's really good but the game needs more ambient sounds and general background noises.”
  • humor

    20 mentions Positive Neutral Negative
    95% positive mentions, 0% neutral mentions, 5% negative mentions

    The humor in the game is largely derived from its self-referential, quirky writing, amusing bugs, and absurd scenarios like eldritch meat monsters and awkward social interactions. While some players find the comedic elements and creative easter eggs entertaining, others feel the humor is overshadowed by frustrating gameplay mechanics and clunky systems. Overall, the game's humor is a mix of intentional wit and unintentional comedy stemming from its flaws.

    • “Most issues I've encountered I find more humorous than annoying, and it is beyond easy to miss hours of your day doing something as simple as figuring out how you want to lay out your ship.”
    • “For example, the idea of so-called 'eldritch' meat monsters created by lab-grown meat from human-goat hybrids was a really funny concept.”
    • “I love the logs with every detail on what your characters are thinking, most notably during social combats: it's very funny when my flirting goes wrong.”
  • replayability

    18 mentions Positive Neutral Negative
    28% positive mentions, 55% neutral mentions, 17% negative mentions

    Replayability is generally rated high, with many players appreciating the game's deep systems and challenging starts that encourage multiple playthroughs. However, some reviews note that technical issues and playability concerns, especially in earlier builds, can hamper the overall experience. Ongoing updates have improved stability and added features, enhancing replay value over time.

    • “Replayability is very high, worth every cent.”
    • “The game has endless replayability and nearly endless features to look forward to.”
    • “The ability to buy and sell ships opens up a lot more replayability.”
    • “Whilst this game could allow for a lot of replayability, it has problems.”
    • “This game has a ton of potential and when compared to its earlier builds it is a lot more playable now, but it still has a ways to go.”
    • “It's barely workable; saves corrupt frequently, UI gets buggy randomly, have had some blackscreen lockups, etc. What the game is trying to deliver is pretty amazing, but if you don't want to contribute from what is currently definitely an alpha build, you will probably want to hold off purchasing until it is more playable.”
  • emotional

    6 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The emotional aspect of the game evokes a mix of fun and heartbreak through its character interactions and narrative, though some players find the emotional responses limited or awkwardly implemented. The immersive storytelling and atmospheric details deepen emotional engagement, but certain mechanics feel overly complex or narrow, detracting from the overall experience.

    • “Fun all the while, but heartbreaking every time.”
    • “After a quick injection of nanobots, I bought a meal from the vending machine that made me feel like a millionaire and sat down to eat it and rest in front of the TV until my bleeding stopped.”
    • “The ship itself, its atmospheric composition and the files I obtained after hacking both their 'phones' drew a very clear picture of what happened, which made me feel like that inspector guy from 'The Expanse'.”
  • monetization

    2 mentions Positive Neutral Negative
    0% positive mentions, 0% neutral mentions, 100% negative mentions

    Users criticize the game's monetization as overly aggressive and view it as a cash grab, expressing frustration with persistent ads and suggesting the need for an option to filter out EA titles from queues and homepage ads.

    • “This game is still a cash grab.”
  • character development

    1 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    Character development in the game is impactful early on, influencing your starting skills and equipment. After this initial phase, players venture into the solar system with minimal resources, emphasizing survival and exploration.

    • “They've got this traveler-like character development piece at the beginning which affects your skills, what you start with, etc., then you're off into the solar system with what amounts to a flying coffin (unless you're lucky) and a basic suit to protect you from space.”
Skip Game Offers

Buy Ostranauts

Some of these are affiliate links — if you buy through them, we may earn a commission at no extra cost to you.

Play Times

22h Median play time
80h Average play time
8-76h Spent by most gamers
*Based on 35 analyzed playthroughs
Skip Videos

Videos

Skip Game News
Skip FAQs

Frequently Asked Questions

Ostranauts is a open world role playing game with science fiction theme. Common tags for Ostranauts include indie, trading, exploration, life sim, cyberpunk and others.

Ostranauts is available on PC, Steam Deck and Windows.

On average players spend around 80 hours playing Ostranauts.

Ostranauts was released on September 10, 2020.

Ostranauts was developed by Blue Bottle Games.

Ostranauts has received mostly positive reviews from players. Most players liked Ostranauts for its gameplay but disliked it for its stability.

Ostranauts is a single player game.

Similar games include HELLION, Starmancer, X4: Foundations, Space Haven, Celestial Command and others.