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Games Like Sea of Tranquility

60+ similar titles based on shared tags and player behavior. Themes include Adventure, Indie, Sci-fi, Walking Simulator.

Sea of Tranquility header art

Escape your doomed mission from the Moon. Explore a vast open-world landscape and evade its dangers. Land shuttles, solve puzzles, control cameras, hack systems, uncover mysteries, and roam tranquil plains in your Rover. Survive the mission. Make your escape.

Reviews: No user reviews — 50%
Released: Coming soon
Developer: Sky Trail Ltd
Genres: Adventure, Indie
Platforms: Windows

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  1. #1 The Station
    97% matchVery Positive86% of 1,116 reviews2018
    Dev: The Station Game ltd
    Windows · Mac · Linux
    Median: 2.4 hrsMean: 3.8 hrs≥1hr: 85%

    The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.

    Why similar: Walking Simulator 22.2%, Space 22%, Sci-fi 18.8%, Adventure 13.8%, Indie 9.5%

  2. #2 The Fall of Lazarus
    96% matchMixed64% of 122 reviews2017
    Dev: No Wand Studios
    Windows
    Median: 3.5 hrsMean: 5.9 hrs≥1hr: 83%

    The Fall of Lazarus is first person exploration and puzzle game. A deeply narrative scifi mystery game based on the exploration of an abandoned cargo spaceship about redemption and second chances.

    Why similar: Space 21.9%, Sci-fi 18.6%, Walking Simulator 17.7%, Mystery 12.1%, Adventure 10.4%

  3. #3 Abyss of Light
    96% matchNo user reviews
    Dev: Qian
    Windows · Mac

    "Abyss of Light" is a narrative-driven sci-fi adventure game. In this story, you play as a stranded interstellar colonist who crash-landed on a mysterious planet and struggles to find a way home.

    Why similar: Space 22%, Nonlinear 18.6%, Walking Simulator 14.9%, Sci-fi 14.3%, Mystery 12.4%

  4. #4 Breached
    95% matchMixed55% of 128 reviews2016
    Dev: HRA INTERACTIVE
    Windows · Mac · Linux
    Median: 2.1 hrsMean: 3.1 hrs≥1hr: 76%

    Unveil the truth in a genre-blending sci-fi mystery. Awaken from cryogenic slumber you find your shelter damaged by unknown circumstances. Scavenge your surroundings, repair the shelter and explore the ruins in hopes of uncovering – or perhaps avoiding – the uncomfortable truth of what has transpired.

    Why similar: Walking Simulator 28.5%, Adventure 22.1%, Sci-fi 21.3%, Indie 14.1%, Mystery 14%

  5. #5 Deliver Us The Moon
    94% matchVery Positive88% of 9,434 reviews2019
    Dev: KeokeN InteractivePub: Wired Productions
    Windows
    Median: 4.4 hrsMean: 5.5 hrs≥1hr: 89%

    Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future where Earth's natural resources are depleted. In an effort to solve the energy crisis, global powers created the World Space Agency and secured a promising new source of energy on the moon.

    Why similar: Space 30.1%, Adventure 19%, Sci-fi 17.3%, Indie 10.2%, Walking Simulator 7.4%

  6. #6 Krystopia: A Puzzle Journey
    94% matchVery Positive88% of 59 reviews2019
    Dev: Antler Interactive
    Windows

    Follow Nova Dune, a space explorer in her quest to find out about the unfamiliar distress signal she received aboard her ship. Determined to investigate it, she finds herself on a desolated planet where all civilization has vanished.

    Why similar: Sci-fi 24.5%, Space 21.2%, Mystery 19.4%, Adventure 17.2%, Puzzle 9.3%

  7. #7 Tacoma
    93% matchVery Positive86% of 4,780 reviews2017
    Dev: Fullbright
    Windows · Mac · Linux
    Median: 3.7 hrsMean: 4.5 hrs≥1hr: 92%

    Tacoma is a sci-fi narrative adventure from the creators of Gone Home. Set aboard a high-tech space station in the year 2088, explore every detail of how the station’s crew lived and worked, finding the clues that add up to a gripping story of trust, fear, and resolve in the face of disaster.

    Why similar: Walking Simulator 28.6%, Space 20.9%, Sci-fi 18.7%, Adventure 10.2%, Mystery 8.4%

  8. #8 Avalon: The Journey Begins
    92% matchMostly Positive71% of 14 reviews2017
    Dev: NewHopeGames
    Windows

    Depart your home world of Avalon to embark on the longest journey ever attempted by mankind, to find the end of the universe. What is at the end of the universe and where is the end of the universe? This is where your journey begins.

    Why similar: Space 26.8%, Adventure 26%, Sci-fi 18.7%, Indie 17.2%, Open World 11.4%

  9. #9 Lapso
    91% matchNo user reviews
    Dev: islaOliva Games
    Windows

    Lapso is a single player first-person exploration game, with particular attention paid to the environmental narrative and sound. It develops through the figure of a scientific illustrator camping near a lake, documenting a special assignment.

    Why similar: Sci-fi 25.7%, Mystery 17.7%, Walking Simulator 14.4%, Adventure 10.1%, Open World 9%

  10. #10 Observation
    91% matchMostly Positive78% of 5,159 reviews2020
    Dev: No CodePub: Devolver Digital
    Windows
    Median: 3.7 hrsMean: 5.0 hrs≥1hr: 85%

    Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.

    Why similar: Space 25.5%, Adventure 24.1%, Sci-fi 18.8%, Indie 16%, Walking Simulator 5.2%

  11. #11 Trajectory
    90% matchMixed59% of 22 reviews2017
    Dev: Sky Trail Ltd
    Windows
    Median: 3.2 hrsMean: 3.7 hrs≥1hr: 74%

    Trajectory is a first person scifi adventure game that takes place in Earth's orbit, with a dystopian yet whimsical setting. The game has multiple endings and a variety of exotic locations in space and beyond.

    Why similar: Space 19.2%, Walking Simulator 15.7%, Sci-fi 14.4%, Nonlinear 14.2%, Multiple Endings 8.4%

  12. #12 PLATONICA SPACE
    89% matchNo user reviews2026
    Dev: Kazuhide OkaPub: KAMITSUBAKI STUDIO
    Windows · Mac

    Open the door and step into someone's memories. Platonica Space is a psychological exploration adventure where you search countless rooms to recover lost memories.

    Why similar: Space 23%, Sci-fi 22.5%, Walking Simulator 20.7%, Mystery 11.2%, Adventure 11.2%

  13. #13 Story of Nova
    89% matchNo user reviews
    Dev: Horizium Studio
    Windows

    Begin your journey aboard Nova Station, explore the desert world of Alkadir, gather resources, craft items, trade, fight, and shape your future among the stars.

    Why similar: Space 29%, Sci-fi 27.6%, Open World 17.4%, Adventure 16.5%, Exploration 4.3%

  14. #14 A Collection of Bad Moments
    88% matchMixed61% of 28 reviews2018
    Dev: Sky Trail Ltd
    Windows

    A Collection of Bad Moments is an adventure game where the player discovers themselves in various tough situations and must use their wits to figure a way out! The moments vary from a deadly asteroid mission and mysterious virtual reality simulation to an airship duel!

    Why similar: Walking Simulator 20.8%, Space 17.2%, Sci-fi 14.4%, Nonlinear 11.9%, Adventure 10.2%

  15. #15 Flux Empyrean
    87% matchNo user reviews2026
    Dev: ChillCash
    Windows · Linux

    The Flux is not keen on giving away its secrets, and you’re one of them. Sail a vast planet under a blanket of stars and use your tools and wits to remind yourself of what was lost and what could come next. An open world mystery about understanding the end of the world.

    Why similar: Walking Simulator 20.5%, Nonlinear 15.3%, Space 14.2%, Sci-fi 12.8%, Mystery 11.4%

  16. #16 CINERIS IV
    86% match4 user reviews75% of 4 reviews2026
    Dev: Sayın Ent.
    Windows

    CINERIS IV is a first-person psychological thriller set on a desolate planet. As a deep-space observer, operate complex telescope arrays to find a new home for humanity and maintain your station against the harsh elements.

    Why similar: Space 26.8%, Mystery 19%, Sci-fi 17.3%, Walking Simulator 9.9%, Adventure 7.7%

  17. #17 Spaceship - Visual Effect Graph Demo
    86% matchPositive84% of 19 reviews2021
    Dev: Unity Technologies
    Windows · Mac · Linux

    Spaceship is a small-scale technical demo showcasing high-end rendering of the Unity Game Engine. It presents a 5 minute long sequence of narrative first-person game play, You can also download the open-source project and open it using Unity Editor to learn how it was made.

    Why similar: Walking Simulator 29%, Space 25.1%, Sci-fi 20.6%, Adventure 10.5%, First-Person 7.4%

  18. #18 Welcome To Eden
    85% match9 user reviews40% of 10 reviews2024
    Dev: SkyRaccoon Games
    Windows

    Welcome To Eden is a narrative driven adventure RPG set in a utopian city, Eden. Take on quests to help your fellow residents, while learning about the more secretive side of Eden in this psychological adventure. And maybe, just maybe, everything isn't as it seems...

    Why similar: Walking Simulator 25.5%, Nonlinear 14.1%, Mystery 13.6%, Adventure 12.3%, Sci-fi 12.1%

  19. #19 The Back of Existence
    84% matchNo user reviews
    Dev: Skylight Interactive
    Windows

    Nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundred million square miles of randomly segmented empty rooms to be trapped in

    Why similar: Walking Simulator 32.3%, Adventure 21.1%, Nonlinear 13.1%, Multiple Endings 9.7%, Open World 6.3%

  20. #20 MOTHERSHIP
    84% matchNo user reviews
    Dev: SPACE Game Studio
    Windows

    Mothership is a peaceful sci-fi adventure game with a breathtaking physics-driven exploration. Your goal, to retrieve the fuel cores of huge space wrecks to keep searching, deeper into space, for the last humans in the galaxy. [Crafted with heart by a solo dev]

    Why similar: Space 24.6%, Walking Simulator 21.7%, Sci-fi 15.8%, Open World 13%, Adventure 7.4%

  21. #21 Memoria
    83% matchNo user reviews
    Dev: Diagonal Games
    Windows · Mac

    Your crew is still sleeping, you’re alone in a spaceship, stuck in the void. Will you survive?

    Why similar: Adventure 31.5%, Space 27.5%, Sci-fi 20.8%, Indie 20.2%

  22. #22 SOUNDGRASS
    82% matchNo user reviews
    Dev: Marcel EnderlePub: Soundgrass Studio
    Windows

    You find yourself on a planet where plants emit sound. Sound and music are also your main gameplay mechanic. Experience the world of sound as never done before.

    Why similar: Walking Simulator 18.6%, Space 17.6%, Sci-fi 15.6%, Mystery 12.2%, Open World 10.6%

  23. #23 Obduction
    82% matchMostly Positive80% of 3,972 reviews2016
    Dev: Cyan, Inc.
    Windows · Mac
    Median: 3.5 hrsMean: 6.4 hrs≥1hr: 84%

    A new sci-fi adventure from Cyan, the creators of Myst. Abducted far across the universe, you find yourself on a broken alien landscape with odd pieces of Earth. Explore, uncover, solve, and find a way to make it home.

    Why similar: Adventure 19.5%, Walking Simulator 19.1%, Mystery 14%, Nonlinear 9.6%, Puzzle 9.4%

  24. #24 2100
    81% matchMostly Negative26% of 19 reviews2019
    Dev: Interactive Gaming Studios
    Windows

    Welcome to the year 2100. You have been selected to conduct research on the most advanced space station in all of the history of mankind with the most advanced AI. However, things start to take a turn for the worse when the AI begins to turn against you.

    Why similar: Space 28.3%, Adventure 24.2%, Sci-fi 21.4%, Indie 15.5%, First-Person 5.9%

  25. #25 Cradle
    81% matchMostly Positive71% of 2,008 reviews2015
    Dev: Flying Cafe for Semianimals
    Windows · Linux
    Median: 4.1 hrsMean: 5.0 hrs≥1hr: 83%

    Cradle is a sci-fi first-person-view quest designed for the player to explore the surrounding world. The story is built around the relations of the protagonist and a mechanical girl who by quirk of fate found themselves amidst the desert.

    Why similar: Sci-fi 26.5%, Adventure 19.7%, Walking Simulator 16.7%, Indie 9.9%, Open World 9.9%

  26. #26 Memorrha
    80% matchMixed65% of 153 reviews2019
    Dev: StickyStoneStudio
    Windows · Mac · Linux
    Median: 4.0 hrsMean: 10.4 hrs≥1hr: 97%

    Go on a voyage of discovery following the traces of a mysterious culture. Discover diverse landscapes, investigate abandoned artifacts, and wake strange machines from their slumber.

    Why similar: Walking Simulator 23.3%, Sci-fi 12.9%, Mystery 10.8%, Adventure 9.7%, Open World 9.6%

  27. #27 Deep Space: Unknown Universe
    79% match6 user reviews67% of 6 reviews2017
    Dev: Mytforge Games
    Windows

    Lost in deep space. Accompanied by Alice, the AI computer. Can you together find your way back to Earth?

    Why similar: Space 31.1%, Walking Simulator 22%, Sci-fi 20%, Puzzle 7.6%, Indie 5.5%

  28. #28 Door2:Key
    79% matchMostly Positive70% of 54 reviews2019
    Dev: SVGames
    Windows

    Door2:Key - breathtaking and mysterious door-puzzle game in which any little thing could be a key to the solution

    Why similar: Adventure 24.6%, Walking Simulator 21.6%, Indie 15.3%, Mystery 12.4%, Open World 11.8%

  29. #29 Asteroid Five
    78% matchMostly Positive79% of 14 reviews2022
    Dev: Deep Dive Project
    Windows

    A first person space exploration game where you investigate the inner caves of an asteroid passing by your planet. Dive into the deeps of the asteroid aboard your ship, collecting information and samples of many beautiful minerals and lifeforms while searching for more complex and intelligent beings

    Why similar: Space 28.5%, Mystery 15.9%, Sci-fi 15.6%, Adventure 13.7%, Puzzle 6%

  30. #30 Proxima Divide
    77% match1 user reviews100% of 1 reviews2025
    Dev: Emberline Studios
    Windows

    A first-person sci-fi survival game where you explore a mysterious alien planet, manage oxygen and resources, craft tools, and uncover the secrets of a lost research colony.

    Why similar: Space 25.5%, Sci-fi 24.6%, Mystery 16.2%, Adventure 14.8%, First-Person 6.3%

  31. #31 Space Panic: Room Escape (VR)
    78% matchMixed50% of 16 reviews2017
    Dev: Janky GamesPub: Project Whitecard Studios Inc.
    Windows

    Space Panic VR (Room Escape) is a VR Escape Room unlike any other you've seen before. Set in the future aboard a space station, the game will challenge players to solve multiple complex puzzles in order to escape.

    Why similar: Adventure 29.2%, Space 26.9%, Sci-fi 18.7%, Indie 18.1%, Puzzle 7.1%

  32. #32 Pleim
    77% matchMixed51% of 41 reviews2022
    Dev: Stop-TussiN
    Windows

    An open world adventure game. You can move around the city, talk to residents, and investigate cases. The game has an interesting plot that will not leave anyone indifferent.

    Why similar: Walking Simulator 30.9%, Adventure 19.3%, Open World 14%, Mystery 10.2%, Action-Adventure 8.2%

  33. #33 Escapeworld Dilemma
    76% matchMostly Positive74% of 102 reviews2021
    Dev: Sonoma Games
    Windows

    FREE TO PLAY: Kidnapped from your everyday life, you find yourself in a large theme park that feels more like an escape room. Solve puzzles, explore 12 themed islands, find resources, use your wits to escape.

    Why similar: Walking Simulator 20.4%, Nonlinear 16.2%, Open World 13.7%, Adventure 11.9%, Mystery 11.5%

  34. #34 SpaceLift
    76% matchNo user reviews
    Dev: Radiant Bear Games
    Windows

    Wake up as an engineer on a failing space elevator in this narrative-driven side-view 3D sci-fi adventure. Explore spacecraft and service decks, repair broken systems, solve light puzzles, and uncover what happened to the missing crew.

    Why similar: Walking Simulator 28.5%, Space 23%, Sci-fi 18.7%, Adventure 17.5%, Mystery 6%

  35. #35 Last Signal
    75% matchMostly Positive76% of 45 reviews2024
    Dev: Under Heaven Studios
    Windows

    Last Signal is a short, story-driven, walking simulator visual novel. On a mysterious journey through space, astronaut Adam 'Echo' Winters awakens in an abandoned station with amnesia. He must unravel the secrets of the station, where reality and illusion are intertwined.

    Why similar: Walking Simulator 23.8%, Space 19.1%, Sci-fi 17.4%, Mystery 10.6%, Multiple Endings 10.3%

  36. #36 Poolcore: Submersion
    75% matchNo user reviews
    Dev: Digital Oddities
    Windows

    Immerse yourself in poolcore-inspired vibes as you explore a vast complex of mind-bending liminal architecture straight out of your dreams. Navigate through a facility filled with obstacles and puzzles, venturing into depths that descend far below the rippling, chlorinated waters.

    Why similar: Walking Simulator 32.1%, Adventure 20.2%, Nonlinear 11.9%, Mystery 9.2%, Puzzle 7.8%

  37. #37 Black Demeter
    74% matchNo user reviews
    Dev: studiomask
    Windows

    Black Demeter is an open-world sci-fi action-adventure set on a planet in constant twilight and mystery. Turn movement into a weapon, earn the locals’ trust, or burn it all down.

    Why similar: Sci-fi 17.7%, Space 17.6%, Nonlinear 14.2%, Open World 13.1%, Mystery 9.9%

  38. #38 Chroma Zero
    72% matchVery Positive96% of 346 reviews2024
    Dev: ekorzPub: ZeroXP
    Windows

    Explore a unique and connected world. Understand its fragile balance, uncover its deepest questions, and find more than just the answers.

    Why similar: Walking Simulator 17.5%, Mystery 13.1%, Sci-fi 12.7%, Nonlinear 11.1%, Adventure 11%

  39. #39 STARDROP
    73% matchVery Positive87% of 276 reviews2019
    Dev: Joure Visser
    Windows
    Median: 5.7 hrsMean: 6.8 hrs≥1hr: 89%

    STARDROP is an interactive sci-fi cinematic experience.

    Why similar: Space 26.4%, Walking Simulator 18.1%, Sci-fi 16.9%, Adventure 11.7%, Mystery 11.2%

  40. #40 A SECOND BEFORE US
    74% matchMixed57% of 106 reviews2017
    Dev: DimleTeam
    Windows
    Median: 3.6 hrsMean: 4.6 hrs≥1hr: 98%

    They have no names, only serial numbers. They have no freedom, no memories from the past. You are one of them. Explore the last center of civilization on a shattered Earth to understand what is really going on.

    Why similar: Walking Simulator 33.9%, Adventure 26.3%, Mystery 18%, Indie 15.5%, Exploration 6.3%

  41. #41 Worker 42
    73% matchNo user reviews
    Dev: Sheyper
    Windows

    Worker 42 is a single-player first-person exploration game. Use your scanner to find your way in the interstellar darkness of space. Repair the various systems of the station, complete your tasks and return to Earth. But something seems wrong on this planet.

    Why similar: Walking Simulator 27.7%, Space 18.6%, Sci-fi 18.1%, Adventure 13.2%, Mystery 11.7%

  42. #42 ELEA
    73% matchMixed57% of 51 reviews2019
    Dev: Kyodai LtdPub: SOEDESCO
    Windows

    Experience the surreal story of Elea. In this first-person Sci-Fi adventure you play as a space scientist recovering your lost husband. Venture out on a curious interstellar journey, full of devastating memories and startling secrets.

    Why similar: Adventure 19.7%, Sci-fi 17.2%, Space 16.6%, Walking Simulator 15.3%, Indie 11.8%

  43. #43 ECH8
    70% matchPositive84% of 18 reviews2026
    Dev: MOON@NOON
    Windows · Linux

    ECH8 is a single-player narrative puzzle game about the mystery behind the disappearance of an entire species. Communicate with their past, decide their future. Will you find the truth in time, or are you doomed to repeat the same mistakes? The current release is Chapter 0, a free standalone demo.

    Why similar: Space 29.5%, Sci-fi 20.7%, Mystery 16.5%, Adventure 13.8%, Puzzle 6%

  44. #44 ARCA-102
    71% match5 user reviews100% of 5 reviews2025
    Dev: Atale Studios
    Windows

    Face logic challenges in this Escape Room game, where every second counts! Join Mirra, your mercenary partner, to uncover the mysteries of an abandoned colonizer ship on an unknown planet.

    Why similar: Space 30.1%, Mystery 18.8%, Sci-fi 16.1%, Adventure 14%, Puzzle 7.4%

  45. #45 Brightest Star
    71% matchNo user reviews
    Dev: The Koltyrins
    Windows

    You are returning to Earth on a starship, towards your cherished goal. Enjoy the wonderful life in the world of the future. And stay true to yourself when it comes time to save mankind in a cosmic novel-size adventure through space, time, and other dimensions.

    Why similar: Sci-fi 22.7%, Walking Simulator 20.9%, Space 16.7%, Adventure 13.2%, Multiple Endings 8.3%

  46. #46 De-Void
    72% matchMixed63% of 144 reviews2016
    Dev: Playstige Interactive
    Windows
    Median: 3.9 hrsMean: 4.2 hrs≥1hr: 96%

    De-Void is a first-person adventure game, where the player unravels the mysterious circumstances surrounding the disappearance of a remote space colony crew.

    Why similar: Walking Simulator 27.3%, Space 21.1%, Sci-fi 19.5%, Adventure 15.3%, Indie 9%

  47. #47 Orbital Drift
    71% matchNo user reviews2027
    Dev: Uritori Games sp. z o.o.
    Windows

    Explore drifting wrecks orbiting a dead planet. Master orbital mechanics. Fight zero gravity in space. Gather resources and build modules. Upgrade your ship to travel further. Uncover a civilization’s downfall. Are people on Earth ready to learn its history?

    Why similar: Space 25.4%, Adventure 20.7%, Indie 19.9%, Sci-fi 19.3%, Mystery 14.8%

  48. #48 Cradle-18
    70% matchNo user reviews
    Dev: Black Bull Studio
    Windows

    A sci-fi immersive sim with horror elements set on an abandoned orbital station. Manage life support systems, conserve resources, and survive in an atmosphere of mounting pressure where the environment is fully interactive.

    Why similar: Walking Simulator 31.9%, Space 27.7%, Sci-fi 16.7%, Adventure 9.5%, First-Person 5.4%

  49. #49 ADR1FT
    69% matchMixed55% of 1,853 reviews2016
    Dev: THREE ONE ZEROPub: 505 Games
    Windows
    Median: 36 minMean: 93.0 hrs≥1hr: 39%

    ADR1FT is the story of an astronaut who wakes up floating silently in space amongst the debris of destroyed space station…the only survivor of a catastrophic event, left with no memory, a critically damaged EVA suit leaking oxygen and no way home.

    Why similar: Space 39.3%, Walking Simulator 22.8%, Adventure 14.8%, Sci-fi 8.8%, Indie 8%

  50. #50 ALONE IN SPACE
    69% matchMixed53% of 158 reviews2016
    Dev: Butterflyware
    Windows · Mac · Linux

    Experience an immersive sci-fi adventure. Walk in the footsteps of the ill-fated crew members of the Miranda station. Explore a world cloaked in mystery and danger, solve clever puzzles to help discover the questions that...

    Why similar: Space 35.1%, Sci-fi 21.1%, Adventure 20.1%, Puzzle 7.1%, First-Person 6%

  51. #51 Stranded
    70% matchMostly Negative38% of 541 reviews2014
    Dev: Peter MoorheadPub: Curve Games
    Windows · Mac · Linux
    Median: 2.3 hrsMean: 3.1 hrs≥1hr: 69%

    A minimal point and click adventure, designed to take the player on a short but memorable journey.

    Why similar: Walking Simulator 35.1%, Adventure 20.5%, Space 15.6%, Indie 12.8%, Sci-fi 12.7%

  52. #52 Lightspeed Frontier
    69% matchMostly Positive70% of 44 reviews2017
    Dev: Crowdwork StudiosPub: Riveted Games
    Windows · Mac · Linux

    Leave everything behind and try your hand at captaining a ship on the fringes of the universe. Customize your ship, explore vast star systems, invest in corporations, and embark on expeditions discovering fame and fortune within Lightspeed Frontier!

    Why similar: Space 41.6%, Sci-fi 30.2%, Adventure 15.1%, Indie 12.5%, Singleplayer 0.6%

  53. #53 Professor Lupo and his Horrible Pets
    68% matchVery Positive94% of 53 reviews2019
    Dev: BeautiFun Games
    Windows · Mac

    Become the most epic intern of all times (or at least save your own neck), in this frantic puzzle-adventure game infested with aliens ! Created by the studio behind the award-winning game "Nihilumbra".

    Why similar: Adventure 27.4%, Space 21%, Sci-fi 20.7%, Indie 17.5%, Puzzle 13.3%

  54. #54 Tantalus
    67% match7 user reviews100% of 7 reviews2025
    Dev: Team Anomaly
    Windows

    You are a patrol staff aboard the spaceship 'Tantalus'. Explore a spaceship filled with mystery, uncover anomalies, and report them to the control AI.

    Why similar: Space 22.1%, Walking Simulator 21.9%, Sci-fi 17%, Nonlinear 16.8%, Mystery 6.9%

  55. #55 Corpse of Discovery
    68% matchMixed65% of 186 reviews2015
    Dev: Phosphor Games
    Windows
    Median: 1.5 hrsMean: 7.0 hrs≥1hr: 54%

    A first-person Walking Simulator exploring the deeper meaning of family, life goals, and personal choices (with a bit of humor and old-school sci-fi homage mixed in) – set on beautiful and lonely alien worlds.

    Why similar: Walking Simulator 40.9%, Adventure 34.3%, Indie 19.3%, Exploration 5.5%

  56. #56 Infinite Space III: Sea of Stars
    68% matchMixed69% of 130 reviews2015
    Dev: Digital Eel
    Windows · Mac
    Median: 3.6 hrsMean: 4.3 hrs≥1hr: 94%

    Sea of Stars is a starship roguelike, a sandbox adventure game of interstellar exploration and combat. Travel from star to star, upgrade your ship with new systems and weapons, build up your flotilla with allies and mercenaries, and take on a variety of alien menaces.

    Why similar: Adventure 39.6%, Space 37.9%, Indie 22.5%

  57. #57 Ghost of the Past
    67% matchNo user reviews
    Dev: Last Axiom
    Windows

    Ghost of the Past — a sci-fi adventure about the price of human curiosity. Track ghostly signals, survive encounters with an unknown enemy, and unravel a mystery the Fleet has chased for decades—while paying an unfathomable price for the answers.

    Why similar: Walking Simulator 23.4%, Sci-fi 18.6%, Space 17.6%, Adventure 14.9%, Mystery 7%

  58. #58 Kilroy Was Here
    67% matchMixed50% of 20 reviews2022
    Dev: 4A50 Studios
    Windows

    You are stuck in an unknown place, completely alone for eternity. Every decision you’ve made, will make, and could have made somehow rattling around your head. The only thing you can understand is a rock, with a gratified picture and some text that reads ‘Kilroy Was Here’!

    Why similar: Sci-fi 23.1%, Walking Simulator 16.4%, Space 14%, Adventure 13.9%, Open World 11.2%

  59. #59 Drowning
    67% matchMixed56% of 25 reviews2018
    Dev: Polygonal WolfPub: Sometimes You
    Windows · Mac · Linux

    Walk in the shoes of this teenage boy who learns to live with his inner demon.

    Why similar: Walking Simulator 41.9%, Adventure 35.4%, Indie 22.7%

  60. #60 K2-18b: Legacy
    66% matchNo user reviews2026
    Dev: Synthetic Void Dev
    Windows · Linux

    In this walking simulator, you'll immerse yourself in a mysterious and unknown atmosphere accompanied by original, atmospheric music. As you navigate unique labyrinths, you'll uncover a fascinating storyline, explore the world of an exoplanet, and uncover its secrets.

    Why similar: Space 21.2%, Walking Simulator 20.3%, Nonlinear 17.9%, Sci-fi 11.9%, Multiple Endings 7.9%

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Sea of Tranquility cover art

Games Like Sea of Tranquility

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