- #1 Deliver Us Mars
97% matchMostly Positive75% of 2,881 reviews2023
Dev: KeokeN InteractivePub: Frontier Foundry
Windows
Median: 4.5 hrsMean: 5.9 hrs≥1hr: 92%
Deliver Us Mars is an atmospheric sci-fi adventure taking you on a suspense-fuelled, high-stakes mission to recover the ARK colony ships stolen by the mysterious Outward.
Why similar: Space 37.8%, Sci-fi 20.2%, Story Rich 10.4%, Atmospheric 9%, Action 8.5%
Why You'll Like It: As the direct sequel to the seed game, it continues the narrative and gameplay style with expanded mechanics and a deeper emotional story.
- #2 Observation
96% matchMostly Positive78% of 5,063 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 28.6%, Adventure 24.2%, Indie 15.8%, Sci-fi 13.9%, Atmospheric 4.3%
Why You'll Like It: You play as the station's AI, providing a unique perspective on a space-based mystery that mirrors the atmospheric tension of the seed game.
- #3 The Invincible
96% matchVery Positive89% of 9,176 reviews2023
Dev: Starward IndustriesPub: 11 bit studios
Windows
Median: 4.6 hrsMean: 9.4 hrs≥1hr: 88%
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
Why similar: Space 31.8%, Sci-fi 19.2%, Adventure 16.2%, Walking Simulator 11.4%, Mystery 9.7%
Why You'll Like It: This hard sci-fi adventure captures the same sense of wonder and dread while exploring an alien planet through a narrative-heavy, retro-futuristic lens.
- #4 The Turing Test
95% matchVery Positive88% of 7,968 reviews2016
Dev: BULKHEAD
Windows
Median: 3.5 hrsMean: 5.1 hrs≥1hr: 85%
The Turing Test is a challenging first-person puzzle game set on Jupiter’s moon, Europa. You are Ava Turing, an engineer for the International Space Agency (ISA) sent to discover the cause behind the disappearance of the ground crew stationed there.
Why similar: Space 38.1%, Sci-fi 21.5%, Puzzle 12%, Adventure 10.6%, Atmospheric 5.9%
Why You'll Like It: It features a similar blend of first-person puzzle-solving and philosophical sci-fi narrative set within a remote research facility.
- #5 Tacoma
94% matchVery Positive86% of 4,721 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: Space 28.1%, Sci-fi 16.7%, Adventure 12.2%, Walking Simulator 10.2%, Story Rich 8.7%
Why You'll Like It: Set on a deserted space station, this game excels at environmental storytelling and uncovering the mystery of what happened to the crew.
- #6 Red Matter
94% matchVery Positive90% of 1,161 reviews2018
Dev: Vertical Robot
Windows
Median: 2.0 hrsMean: 3.5 hrs≥1hr: 62%
Red Matter is a story-driven VR puzzle adventure game set during a dystopian sci-fi Cold War. Take on the role of Agent Epsilon, an astronaut of the Atlantic Union dispatched to an abandoned Volgravian moon base on a faraway planet. Your mission: to investigate a shady top secret research project.
Why similar: Sci-fi 20.3%, Adventure 14.6%, Mystery 11.7%, Atmospheric 9.6%, Story Rich 9.4%
Why You'll Like It: This title offers a highly atmospheric, puzzle-focused experience on a desolate moon that feels very similar to the seed game's core loop.
- #7 Fort Solis
93% matchMixed67% of 3,927 reviews2023
Dev: Fallen LeafPub: Dear Villagers
Windows · Mac
Median: 3.6 hrsMean: 5.6 hrs≥1hr: 85%
Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience.
Why similar: Space 34.3%, Sci-fi 15.3%, Walking Simulator 9.5%, Story Rich 8.7%, Adventure 8.6%
Why You'll Like It: This cinematic thriller focuses on a lone protagonist investigating a silent Mars base, mirroring the pacing and tone of the seed game.
- #8 Red Matter 2
91% matchVery Positive93% of 667 reviews2022
Dev: Vertical Robot
Windows
Median: 2.7 hrsMean: 4.1 hrs≥1hr: 70%
Red Matter 2 is an immersive, puzzle-adventure game that will transport you to the far reaches of space. Step into the shoes of Sasha, an agent awakened in a lunar base by an undercover operative and tasked with uncovering the secrets of the mysterious Red Matter.
Why similar: Adventure 16.6%, Sci-fi 16%, Mystery 10.5%, Space 10.3%, Atmospheric 9.2%
Why You'll Like It: Building on the first game, it improves the puzzle mechanics and visual fidelity while maintaining the gripping, isolated space mystery.
- #9 The Station
92% matchVery Positive86% of 1,108 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: Space 26.8%, Adventure 15.3%, Sci-fi 15.1%, Indie 10.1%, Story Rich 8.2%
Why You'll Like It: A focused, narrative-driven mystery set on a space station that prioritizes exploration and uncovering the fate of the crew.
- #10 Outer Wilds
91% matchOverwhelmingly Positive96% of 99,459 reviews2020
Dev: Mobius DigitalPub: Annapurna Interactive
Windows
Median: 4.6 hrsMean: 16.7 hrs≥1hr: 82%
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
Why similar: Space 34.7%, Adventure 10%, Sci-fi 9.8%, Mystery 9.7%, Story Rich 7.9%
Why You'll Like It: It captures the essence of space exploration and uncovering a deep, ancient mystery through environmental clues and curiosity.
- #11 ROUTINE
86% matchVery Positive93% of 6,281 reviews2025
Dev: Lunar SoftwarePub: Raw Fury
Windows
Median: 3.8 hrsMean: 4.9 hrs≥1hr: 80%
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
Why similar: Space 27.3%, Sci-fi 17.1%, Adventure 11.9%, Atmospheric 8.6%, Walking Simulator 7.5%
Why You'll Like It: It delivers an intense, atmospheric sci-fi experience set in a retro-futuristic lunar base that feels like a darker cousin to the seed game.
- #12 SOMA
89% matchOverwhelmingly Positive96% of 50,500 reviews2015
Dev: Frictional Games
Windows · Mac · Linux
Median: 5.6 hrsMean: 10.2 hrs≥1hr: 89%
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
Why similar: Sci-fi 17.6%, Adventure 11.5%, Atmospheric 9.6%, Story Rich 9.1%, Walking Simulator 8.5%
Why You'll Like It: While more horror-focused, it shares the deep sense of isolation and profound sci-fi narrative themes found in the seed game.
- #13 Exo One
88% matchVery Positive90% of 5,125 reviews2021
Dev: ExbleativePub: Future Friends Games
Windows
Median: 1.8 hrsMean: 2.7 hrs≥1hr: 68%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
Why similar: Space 29.2%, Space Sim 17.8% ★, Sci-fi 10.6%, Adventure 10%, Atmospheric 8.1%
Why You'll Like It: This game focuses on the atmospheric, meditative experience of traveling across alien landscapes, emphasizing movement and scale.
- #14 ADR1FT
90% matchMixed55% of 1,843 reviews2016
Dev: THREE ONE ZEROPub: 505 Games
Windows
Median: 36 minMean: 90.6 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 47.2%, Adventure 15.8%, Indie 8.3%, Walking Simulator 7.3%, Sci-fi 7%
Why You'll Like It: It emphasizes the zero-gravity movement and survival aspects of being a lone astronaut in a damaged space station.
- #15 Lifeless Planet Premier Edition
89% matchMostly Positive77% of 3,588 reviews2014
Dev: Serenity Forge
Windows · Linux
Median: 2.2 hrsMean: 6.1 hrs≥1hr: 64%
PREMIER EDITION - While seeking life on a distant planet, an astronaut discovers an abandoned Russian town. He suspects his mission is a hoax until a mysterious young woman saves him from a strange and deadly phenomenon...
Why similar: Space 27.9%, Sci-fi 14.8%, Adventure 9.6%, Mystery 8.9%, Atmospheric 7.7%
Why You'll Like It: This game focuses on the discovery of a mysterious, abandoned planet, emphasizing exploration and puzzle-solving in a lonely environment.
- #16 The Solus Project
87% matchMostly Positive80% of 2,612 reviews2016
Dev: HourencesPub: Teotl Studios
Windows
Median: 2.7 hrsMean: 6.6 hrs≥1hr: 72%
The Solus Project is a single player exploration adventure with survival elements. The adventure is set on a mysterious planet and is the spiritual successor to The Ball - 2010 PC Gamer Action/Adventure Game Of The Year...
Why similar: Space 23%, Sci-fi 18%, Adventure 14.6%, Survival 8.6%, Exploration 6.3%
Why You'll Like It: It combines survival elements with a strong emphasis on exploring a mysterious, atmospheric planet to ensure humanity's survival.
- #17 Under The Waves
85% matchMostly Positive78% of 1,801 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.5 hrsMean: 22.1 hrs≥1hr: 70%
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Why similar: Adventure 29.1%, Sci-fi 17.9%, Story Rich 12.8%, Atmospheric 12.2%, Indie 10.8%
Why You'll Like It: While set underwater, it perfectly replicates the feeling of isolation and the narrative-driven exploration of a high-tech, lonely facility.
- #18 Moons of Madness
86% matchMostly Positive77% of 2,891 reviews2019
Dev: Rock Pocket GamesPub: Funcom
Windows
Median: 4.0 hrsMean: 5.5 hrs≥1hr: 91%
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
Why similar: Space 30.9%, Adventure 19.9%, Sci-fi 16.8%, Mystery 5.4%, Atmospheric 5.1%
Why You'll Like It: It blends space exploration with psychological horror, providing a more intense take on the 'abandoned base' trope.
- #19 Somerville
84% matchMostly Positive70% of 1,808 reviews2022
Dev: Jumpship
Windows
Median: 3.8 hrsMean: 4.2 hrs≥1hr: 73%
In the wake of catastrophe find the means to make your family whole again.
Why similar: Adventure 18.6%, Sci-fi 18.5%, Atmospheric 14.8%, Story Rich 12.8%, Indie 9.9%
Why You'll Like It: This cinematic, atmospheric adventure focuses on a personal journey through a sci-fi landscape, emphasizing visual storytelling over combat.
- #20 FAR: Lone Sails
84% matchOverwhelmingly Positive95% of 25,500 reviews2018
Dev: Okomotive
Windows · Mac
Median: 3.2 hrsMean: 7.8 hrs≥1hr: 85%
Traverse a dried-out seabed littered with the remains of a decaying civilization. Keep your unique vessel going, overcome numerous obstacles and withstand the hazardous weather conditions. How far can you make it? What will you find?
Why similar: Adventure 19.9%, Atmospheric 15.9%, Story Rich 11%, Indie 10.7%, Puzzle 9.8%
Why You'll Like It: This game captures the feeling of a solitary journey across a desolate landscape, focusing on maintaining your vehicle to survive.
- #21 Breathedge
83% matchVery Positive82% of 16,026 reviews2021
Dev: RedRuins SoftworksPub: HypeTrain Digital
Windows
Median: 3.7 hrsMean: 9.2 hrs≥1hr: 87%
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
Why similar: Space 40.4%, Sci-fi 15.8%, Adventure 10.3%, Atmospheric 7.5%, Indie 7.4%
Why You'll Like It: It offers a more survival-oriented take on the 'lone astronaut in space' premise with a focus on crafting and exploration.
- #22 Cloudpunk
81% matchVery Positive88% of 15,104 reviews2020
Dev: ION LANDS
Windows
Median: 2.6 hrsMean: 8.2 hrs≥1hr: 69%
A neon-noir story in a rain-drenched cyberpunk metropolis. It’s your first night on the job working for the Cloudpunk delivery service. Two rules: Don’t miss a delivery and don’t ask what’s in the package.
Why similar: Sci-fi 24.6%, Atmospheric 13.1%, Adventure 12.8%, Story Rich 11.4%, Walking Simulator 9.6%
Why You'll Like It: It provides a deep, atmospheric sci-fi city to explore, focusing on the narrative experience of a lone worker in a futuristic setting.
- #23 Event[0]
82% matchVery Positive80% of 2,270 reviews2016
Dev: Ocelot Society
Windows · Mac
Median: 3.4 hrsMean: 4.1 hrs≥1hr: 92%
Event[0] is a sci-fi narrative exploration game where you build a relationship with a lonely spaceship computer to get home to Earth.
Why similar: Space 30.7%, Sci-fi 16.7%, Adventure 12.9%, Mystery 8.3%, Atmospheric 8.2%
Why You'll Like It: A narrative-heavy space game where you interact with a lonely AI, focusing on mystery and communication in a confined environment.
- #24 Close To The Sun
82% matchMostly Positive74% of 1,270 reviews2020
Dev: Storm in a TeacupPub: Wired Productions
Windows
Median: 4.3 hrsMean: 5.6 hrs≥1hr: 92%
Deep in international waters, Tesla’s Helios stands still. An unbound utopia for scientific research, Rose Archer steps aboard in search of her sister, quickly to discover not all is as it seems. A single word covers the entrance… QUARANTINE!
Why similar: Adventure 43.5%, Indie 25.2%, Walking Simulator 20.4%, Atmospheric 5.2%, Singleplayer 2.8%
Why You'll Like It: This game offers a narrative-driven mystery set in a massive, isolated location, focusing on atmosphere and discovery.
- #25 Firewatch
81% matchVery Positive91% of 96,852 reviews2016
Dev: Campo SantoPub: Panic
Windows · Mac · Linux
Median: 4.4 hrsMean: 13.5 hrs≥1hr: 87%
Firewatch is a single-player first-person mystery set in the Wyoming wilderness, where your only emotional lifeline is the person on the other end of a handheld radio.
Why similar: Adventure 20.5%, Walking Simulator 14.8%, Atmospheric 14.3%, Story Rich 14.1%, Mystery 13.3%
Why You'll Like It: Though not in space, it is the gold standard for 'lone professional' narrative games that rely on radio communication and environmental mystery.
- #26 Chorus
80% matchVery Positive83% of 4,444 reviews2021
Dev: Deep Silver FishlabsPub: Deep Silver
Windows
Median: 3.4 hrsMean: 9.8 hrs≥1hr: 68%
Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.
Why similar: Space 24.6%, Adventure 22.5%, Action 17.2%, Indie 11.3%, Sci-fi 10%
Why You'll Like It: This game offers a fast-paced, narrative-driven space adventure that emphasizes the bond between the pilot and their ship.
- #27 EVERSPACE™ 2
79% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 39%, Sci-fi 13.8%, Adventure 12.1%, Story Rich 8.5%, Action 7.9%
Why You'll Like It: While more action-oriented, it provides a vast, beautiful space environment to explore with a strong focus on sci-fi storytelling.
- #28 The Talos Principle
79% matchOverwhelmingly Positive95% of 32,657 reviews2014
Dev: CroteamPub: Devolver Digital
Windows · Mac · Linux
Median: 4.5 hrsMean: 14.9 hrs≥1hr: 87%
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
Why similar: Sci-fi 24.6%, Puzzle 20.2%, Atmospheric 11.8%, Story Rich 11.8%, Adventure 9.5%
Why You'll Like It: A philosophical puzzle game that uses environmental storytelling to explore deep sci-fi themes in a solitary, beautiful setting.
- #29 Call of the Sea
78% matchVery Positive88% of 5,866 reviews2020
Dev: Out of the Blue GamesPub: Raw Fury
Windows
Median: 4.8 hrsMean: 6.0 hrs≥1hr: 75%
Join Norah, a woman plagued by a mysterious illness, in her search for her missing husband in this adventure puzzle game set on a lush island paradise. Immerse yourself in stunning visuals and unlock forbidden secrets in a moving tale of mystery and love.
Why similar: Adventure 22.1%, Story Rich 13.4%, Puzzle 12.5%, Mystery 12.4%, Atmospheric 10.7%
Why You'll Like It: A narrative-driven puzzle game that focuses on uncovering a mystery in a remote, atmospheric location.
- #30 Prey
78% matchVery Positive91% of 53,291 reviews2017
Dev: Arkane StudiosPub: Bethesda Softworks
Windows
Median: 7.0 hrsMean: 27.2 hrs≥1hr: 90%
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
Why similar: Space 37.5%, Sci-fi 24%, Atmospheric 8.9%, Story Rich 7.8%, Action 6.6%
Why You'll Like It: While it features more combat, the exploration of a massive, mysterious space station is a core component that fans of the seed game will enjoy.
- #31 Moon Mystery
77% matchMixed66% of 685 reviews2024
Dev: CosmoscoutsPub: indie.io
Windows
Median: 2.9 hrsMean: 5.7 hrs≥1hr: 73%
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.
Why similar: Space 28.8%, Adventure 15.1%, Sci-fi 14.9%, Mystery 8.7%, Story Rich 6.6%
- #32 Lifeless Moon
76% matchMostly Positive79% of 300 reviews2023
Dev: Serenity Forge
Windows
During an expedition to the Moon, two astronauts find themselves in a familiar town back on Earth. They soon discover the town is the beginning of a strange and mysterious journey...
Why similar: Space 31.6%, Sci-fi 16%, Adventure 10.8%, Story Rich 8.1%, Walking Simulator 8.1%
- #33 Moon Runner
76% matchVery Positive86% of 283 reviews2022
Dev: Fractal Interactive
Windows
You are tasked with urgent maintenance on a small moon. Find the monoliths and manage your survival to complete your mysterious assignment.
Why similar: Space 30.1%, Sci-fi 15.7%, Walking Simulator 11.9%, Action 8.6%, Exploration 7.4%
- #34 Lunar Nightmare
75% matchVery Positive81% of 53 reviews2024
Dev: Playstige Interactive
Windows
Lunar Nightmare is a retro-inspired sci-fi thriller, set on an abandoned Moon base, where you have to solve the mystery behind missing crew members, ancient discoveries around deep down the Lunar surface, rouge-AI trying to control your fate and ghastly androids to revolting against your command.
Why similar: Space 36.5%, Sci-fi 23.7%, Adventure 18.3%, Action 13.1%, Walking Simulator 6.6%
- #35 Still Wakes the Deep
73% matchVery Positive88% of 10,965 reviews2024
Dev: The Chinese RoomPub: Secret Mode
Windows
Median: 4.8 hrsMean: 6.1 hrs≥1hr: 84%
1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.
Why similar: Sci-fi 18%, Adventure 14.3%, Drama 13.3%, Walking Simulator 12.3%, Atmospheric 11.8%
- #36 INDUSTRIA
75% matchMostly Positive71% of 3,883 reviews2021
Dev: BleakmillPub: Headup
Windows
Median: 3.1 hrsMean: 4.0 hrs≥1hr: 83%
Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond.
Why similar: Sci-fi 22.4%, Adventure 14%, Mystery 12.2%, Action 11.1%, Atmospheric 10.6%
- #37 ALONE IN SPACE
77% 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 34.2%, Adventure 17.4%, Sci-fi 13.7%, Puzzle 5.4%, Atmospheric 4.9%
- #38 Titan Station
73% matchVery Positive90% of 564 reviews2022
Dev: Joakim Larsen
Windows
Median: 3.8 hrsMean: 5.9 hrs≥1hr: 89%
Far into the future, in the year 1999: David, a systems operator, runs from his troubles by taking a job on a space station. After arriving, his mundane work turns into a struggle for his very life as he makes a shocking discovery.
Why similar: Sci-fi 25.2%, Mystery 16.4%, Walking Simulator 15.3%, Story Rich 13.4%, Atmospheric 11.5%
- #39 Obduction
74% matchMostly Positive80% of 3,942 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 28.8%, Mystery 12.3%, Puzzle 12.3%, Indie 10.1%, Walking Simulator 8.5%
- #40 EVERSPACE™
73% matchMostly Positive78% of 11,373 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 10.0 hrs≥1hr: 75%
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
Why similar: Space 48.4%, Space Sim 16.6% ★, Sci-fi 12.9%, Action 10.2%, Indie 7%
- #41 Beyond a Steel Sky
72% matchVery Positive88% of 1,598 reviews2020
Dev: Revolution Software Ltd
Windows · Linux
Median: 5.1 hrsMean: 6.3 hrs≥1hr: 90%
From multi-award winning Revolution comes ‘Beyond a Steel Sky’, a groundbreaking 3D adventure thriller, set in an AI-driven future. Subvert the world, hack the systems and solve dark conspiracies to uncover the devastating truth.
Why similar: Sci-fi 21.5%, Adventure 20.4%, Action 10.9%, Indie 10.5%, Story Rich 10.5%
- #42 FAR: Changing Tides
70% matchVery Positive93% of 5,368 reviews2022
Dev: OkomotivePub: Frontier Foundry
Windows
Median: 5.0 hrsMean: 5.4 hrs≥1hr: 77%
An atmospheric vehicle adventure that follows the emotional journey of a boy and his ship as he embarks on a voyage to find a new home.
Why similar: Adventure 26.9%, Atmospheric 22.1%, Action 15.2%, Puzzle 14.6%, Action-Adventure 11.2%
- #43 The Fall of Lazarus
74% matchMixed63% of 120 reviews2017
Dev: No Wand Studios
Windows
Median: 3.5 hrsMean: 6.0 hrs≥1hr: 84%
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 28.2%, Sci-fi 16%, Adventure 12%, Mystery 8.2%, Indie 6.9%
- #44 The Last Caretaker
66% matchVery Positive85% of 9,793 reviews2025
Dev: Channel37 Ltd
Windows
Median: 18.8 hrsMean: 30.9 hrs≥1hr: 93%
Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.
Why similar: Sci-fi 25.6%, Adventure 17.9%, Atmospheric 13.9%, Action 12.1%, Survival 9%
- #45 Bramble: The Mountain King
68% matchVery Positive95% of 7,288 reviews2023
Dev: Dimfrost StudioPub: Maximum Entertainment
Windows
Median: 4.2 hrsMean: 5.8 hrs≥1hr: 86%
Bramble The Mountain King is a grim adventure set in a world inspired by dark, Nordic fables. Explore the beautiful yet dangerous and twisted land of Bramble in your endeavour to rescue your sister. Traverse a wondrous landscape and survive deadly encounters with Bramble's many hideous creatures.
Why similar: Adventure 34.3%, Atmospheric 21.8%, Story Rich 14.3%, Exploration 9.4%, Third Person 8%
- #46 Nobody Wants to Die
67% matchVery Positive84% of 6,506 reviews2024
Dev: Critical Hit GamesPub: PLAION
Windows
Median: 5.0 hrsMean: 6.1 hrs≥1hr: 80%
Lose yourself in the dystopian world of New York, 2329; immortality comes at a price that someone has to pay. In this interactive noir story, lead the investigation using advanced technology, as Detective James Karra who risks it all in pursuit of a serial killer targeting the city’s elite.
Why similar: Story Rich 31.8%, Walking Simulator 31.8%, Atmospheric 30.3%, First-Person 6.1%
- #47 Earth Analog
71% matchMixed66% of 111 reviews2021
Dev: Funcraft Games
Windows
In this relaxing space flight adventure, you pilot the science vessel Eurisko XI on a quest through deep space. Explore fascinating, fractal-based exoplanets and uncover their mysteries. Analyze artifacts and upgrade your ship to unlock new pathways. Your mission: find humanity’s new home.
Why similar: Space 27.8%, Space Sim 16.8% ★, Sci-fi 11%, Adventure 9%, Mystery 7.3%
- #48 INFRA
70% matchVery Positive88% of 3,554 reviews2016
Dev: Loiste Interactive
Windows
Median: 4.2 hrsMean: 11.0 hrs≥1hr: 88%
INFRA puts you into the boots of a structural analyst on a routine mission. Quickly though, your task turns into a fight for survival, all caused by deep-rooted schemes of the past. Your tools are simple: your camera and the wits to navigate a labyrinth of debris.
Why similar: Adventure 16.9%, Atmospheric 14.2%, Walking Simulator 12.9%, Puzzle 12.2%, Mystery 12.1%
- #49 no signal
66% matchVery Positive99% of 69 reviews2025
Dev: exodrifter
Windows · Linux
An emotional point-and-click hard sci-fi adventure game about exploring an abandoned space station. Follow messages left by the long-gone staff to learn the outcome of the research team and the secrets they left behind.
Why similar: Space 33.4%, Sci-fi 15.7%, Mystery 9.7%, Adventure 8.8%, Story Rich 7.8%
- #50 Waking Mars
71% matchVery Positive89% of 1,195 reviews2012
Dev: Tiger Style
Windows · Mac · Linux
Median: 54 minMean: 4.3 hrs≥1hr: 49%
In 2097, life is discovered on Mars. When your mission of first contact becomes trapped by a cave-in, you must master the alien ecosystem to survive. Soon you stumble upon more than anyone expected, and with time running out, you will make a decision that determines the fate of a lost planet.
Why similar: Sci-fi 30.8%, Adventure 21.4%, Indie 11.2%, Puzzle 8.1%, Exploration 7.8%
- #51 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: Space 27.7%, Adventure 17.8%, Sci-fi 17%, Indie 10.3%, Walking Simulator 9.5%
- #52 Chernobylite Complete Edition
67% matchVery Positive82% of 15,165 reviews2021
Dev: The Farm 51
Windows
Median: 4.5 hrsMean: 10.8 hrs≥1hr: 85%
Chernobylite is a science-fiction survival horror RPG. Set in the hyper-realistic, 3D-scanned wasteland of Chernobyl’s Exclusion Zone, explore a non-linear storyline in your search to uncover the truth of your tortured past.
Why similar: Sci-fi 23.1%, Adventure 19.2%, Atmospheric 14.4%, Survival 10.1%, Exploration 8%
- #53 Astrometica
65% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space 30.1%, Space Sim 28.2% ★, Sci-fi 13.5%, Adventure 11.7%, Survival 5.7%
- #54 The Gunk
67% matchVery Positive87% of 5,430 reviews2022
Dev: Image & Form GamesPub: Thunderful Publishing
Windows
Median: 3.3 hrsMean: 4.2 hrs≥1hr: 84%
The Gunk is an action-adventure game in which you play as Rani, part of our duo of gritty space haulers. As they’re struggling to bring in funds, they chance upon an untouched planet brimming with life. They came in search of valuable resources, and it looks like they’ve hit the jackpot…
Why similar: Space 35.8%, Sci-fi 19.8%, Adventure 12%, Atmospheric 10.3%, Exploration 5.6%
- #55 Venineth
69% matchVery Positive81% of 261 reviews2020
Dev: Venineth TeamPub: mort-art
Windows
Median: 3.0 hrsMean: 4.4 hrs≥1hr: 75%
Venineth is a single-player game focusing on unraveling the mysteries of ancient alien technology, somewhere in the universe via exploration, platforming, and puzzle-solving, in a dangerous, distant worlds.
Why similar: Space 20.3%, Adventure 18.9%, Action 12.7%, Indie 12.6%, Sci-fi 11.5%
- #56 The Callisto Protocol™
67% matchMixed65% of 42,820 reviews2022
Dev: Striking Distance StudiosPub: KRAFTON, Inc.
Windows
Median: 10.4 hrsMean: 17.1 hrs≥1hr: 88%
Survive to escape the horrors of Callisto and uncover the dark secrets of Jupiter’s dead moon.
Why similar: Space 42.2%, Sci-fi 22.9%, Adventure 9.2%, Story Rich 8%, Action 7.6%
- #57 Krystopia: A Puzzle Journey
69% 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: Space 27.3%, Sci-fi 20.9%, Adventure 19.7%, Mystery 13.2%, Indie 9.4%
- #58 Martha Is Dead
66% matchMostly Positive79% of 3,639 reviews2022
Dev: LKAPub: Wired Productions
Windows
Median: 5.6 hrsMean: 6.6 hrs≥1hr: 88%
Set in 1944 Italy, Martha Is Dead is an award-winning dark psychological thriller where the lines between truth, superstition, and tragedy blur. Explore a haunting countryside, uncover disturbing memories, and peel back layers of mystery. Every choice shapes the nightmare…are you ready to face it?
Why similar: Adventure 21.5%, Story Rich 16.5%, Mystery 15.4%, Drama 14.9%, Atmospheric 14.3%
- #59 REAL MOON
64% matchMixed68% of 112 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space 36.3%, Space Sim 32.6% ★, Adventure 10.1%, Simulation 7.5%, Exploration 6.6%