- #1 Scavenger SV-4
97% matchVery Positive91% of 590 reviews2018
Dev: Deric RuhlPub: HoroArch
Windows
Median: 1.4 hrsMean: 3.7 hrs≥1hr: 65%
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Why similar: Space 28.3%, Simulation 24.7%, Science 18.1% ★, Horror 14.7%, Indie 7.8%
Why You'll Like It: It captures the exact same feeling of isolated, technical space exploration and psychological dread while managing complex systems.
- #2 Dead Signal
96% matchVery Positive89% of 1,055 reviews2023
Dev: Reflect Studios
Windows
Median: 2.9 hrsMean: 7.1 hrs≥1hr: 74%
Monitor camera feeds, report valuable info, and hand-deliver shady packages. An hourly quota of reports will test your keen eye to spot the differences, while timed deliveries will force you outside unexpectedly. Until you clock out for the night almost nowhere is safe.
Why similar: Simulation 50.8%, Horror 25.6%, Psychological Horror 16.2%, Atmospheric 4.4%, First-Person 2.3%
Why You'll Like It: This game focuses heavily on the monitoring and surveillance aspect of signal-based horror, mirroring the core gameplay loop of the seed.
- #3 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 37.2%, Indie 25%, Horror 17.4%, Psychological Horror 15.6%, Atmospheric 3.4%
Why You'll Like It: You play as an AI on a space station, managing systems and investigating a mystery that feels very similar to the atmospheric sci-fi of the seed.
- #4 Duskers
95% matchVery Positive90% of 2,739 reviews2016
Dev: Misfits Attic
Windows · Mac · Linux
Median: 1.5 hrsMean: 10.5 hrs≥1hr: 59%
Pilot drones into derelict spaceships to find the means to survive and piece together how the universe became a giant graveyard.
Why similar: Space 45.6%, Simulation 26.9%, Horror 23.1%, Atmospheric 4.3%
Why You'll Like It: It utilizes a terminal-based interface to explore derelict ships, emphasizing the same feeling of isolation and technical management.
- #5 The Invincible
94% 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: Science 38% ★, Aliens 32.6%, Space 25.2%, First-Person 3.5%, Singleplayer 0.6%
Why You'll Like It: A hard sci-fi game that focuses on retro-futuristic exploration and the mystery of the unknown on a desolate planet.
- #6 Stories Untold
94% matchVery Positive87% of 5,390 reviews2017
Dev: No CodePub: Devolver Digital
Windows · Mac
Median: 2.6 hrsMean: 3.0 hrs≥1hr: 76%
Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.
Why similar: Psychological Horror 44.2%, Horror 31.4%, Indie 14.9%, Atmospheric 8.5%, Singleplayer 1%
Why You'll Like It: Like the seed, it uses retro-tech and terminal-based interfaces to build a deeply unsettling, narrative-driven psychological horror experience.
- #7 Stationeers
93% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Science 52.5% ★, Space 32.9%, Sandbox 14.7%
Why You'll Like It: For those who enjoy the complex electrical and system maintenance of the seed, this game offers deep, physics-based engineering challenges.
- #8 Exo One
92% 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 57.8%, Simulation 32.3%, Atmospheric 9.8%
Why You'll Like It: Focuses on the atmospheric, meditative side of space exploration with a strong emphasis on alien landscapes.
- #9 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 45.2%, Psychological Horror 15%, Horror 13.5%, Simulation 9.3%, Indie 7.2%
Why You'll Like It: While more open, it shares the core loop of using signal-hunting equipment to uncover a deep, cosmic mystery in space.
- #10 ROUTINE
91% 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: Aliens 31.4%, Psychological Horror 24.2%, Space 22.7%, Horror 12.9%, Atmospheric 4.4%
Why You'll Like It: An atmospheric space horror game that captures the retro-futuristic aesthetic and the feeling of being alone in a dangerous environment.
- #11 Hardspace: Shipbreaker
89% matchVery Positive89% of 21,702 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 23.9 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 46.8%, Simulation 34.2%, Sandbox 13.9%, First-Person 4.1%, Singleplayer 1%
Why You'll Like It: This game provides a satisfying, technical, and blue-collar approach to space simulation that feels grounded and realistic.
- #12 Event[0]
90% 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 55.8%, Indie 14.5%, Horror 11.9%, Atmospheric 9.1%, First-Person 7.5%
Why You'll Like It: This game focuses on communicating with an AI through a terminal, capturing the feeling of interacting with mysterious, non-human entities.
- #13 Kerbal Space Program
89% matchOverwhelmingly Positive95% of 133,317 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.3 hrsMean: 65.2 hrs≥1hr: 84%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Science 32% ★, Space 31.8%, Simulation 21.9%, Sandbox 10.6%, Indie 3.4%
Why You'll Like It: It is the gold standard for realistic space simulation, appealing to the scientific curiosity present in the seed.
- #14 Universe Sandbox
88% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: Science 34% ★, Space 27.4%, Simulation 21%, Sandbox 12.7%, Indie 2.9%
Why You'll Like It: Perfect for players who enjoy the scientific, observational, and sandbox elements of the seed game.
- #15 Tacoma
87% 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 64.6%, Indie 18.1%, First-Person 8.8%, Atmospheric 7.3%, Singleplayer 1.2%
Why You'll Like It: It offers a grounded, investigative experience on a space station that mirrors the atmospheric storytelling found in the seed.
- #16 Deliver Us The Moon
86% matchVery Positive88% of 9,052 reviews2019
Dev: KeokeN InteractivePub: Wired Productions
Windows
Median: 4.4 hrsMean: 5.5 hrs≥1hr: 89%
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
Why similar: Space 57.8%, Indie 21.5%, Simulation 13.3%, Atmospheric 5.6%, Singleplayer 0.9%
Why You'll Like It: A narrative-driven space simulation that tasks you with managing equipment and solving mysteries to save humanity.
- #17 Satellite Command
86% matchMixed64% of 80 reviews2016
Dev: Stormtide
Windows
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Why similar: Science 35.5% ★, Space 23.6%, Simulation 20.7%, Sandbox 10.5%, Indie 6.8%
Why You'll Like It: Directly focuses on the management of satellites and space-based hardware, which is a core component of the seed's gameplay.
- #18 Interference: Dead Air
85% matchMostly Positive74% of 84 reviews2023
Dev: Fear of CornPub: V Publishing
Windows
All hell's breaking loose in a mysterious research facility and the only person who can save the day is the night shift security guard in the booth outside. Remotely control systems, guide scientists to safety or just… goof off? You’re not in danger. Yet.
Why similar: Psychological Horror 33.5%, Simulation 29.7%, Horror 20%, Indie 9.6%, First-Person 5.7%
Why You'll Like It: A supernatural, immersive-sim experience that relies on audio and investigation to build tension.
- #19 Nucleares
84% matchVery Positive83% of 1,020 reviews2023
Dev: Iván Marcelo PrettiPub: MicroProse Software
Windows
Median: 5.6 hrsMean: 20.6 hrs≥1hr: 84%
Nuclear Reactor Simulator: Take Control. Prevent Disaster. Power the World.
Why similar: Science 53% ★, Simulation 31.4%, Indie 9.1%, First-Person 5.6%, Singleplayer 0.9%
Why You'll Like It: A realistic, first-person simulation that demands careful management of complex systems in a high-stakes environment.
- #20 Conrad Stevenson's Paranormal P.I.
83% matchVery Positive93% of 964 reviews2023
Dev: D&A Studios
Windows
Median: 2.6 hrsMean: 10.4 hrs≥1hr: 72%
I made this first-person single player ghost hunting simulation game, trying to take an authentic approach at investigating ghosts. Use essential paranormal tools to help your community alleviate their concerns and put their minds at ease.
Why similar: Psychological Horror 39.4%, Horror 22.5%, Sandbox 15.7%, Simulation 14.3%, First-Person 5.7%
Why You'll Like It: An investigation-heavy game that uses specialized equipment to detect and document supernatural phenomena.
- #21 Space Mechanic Simulator
84% matchMixed63% of 117 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
Why similar: Science 35.9% ★, Space 27.1%, Simulation 23%, Indie 7.1%, First-Person 3.2%
Why You'll Like It: It leans into the maintenance and repair aspect of space simulation, mirroring the hands-on technical work in the observatory.
- #22 SOMA
82% 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: Psychological Horror 42.6%, Horror 31.1%, Indie 10.9%, Atmospheric 7.5%, First-Person 6.7%
Why You'll Like It: It delivers a masterclass in atmospheric, psychological sci-fi horror that explores the existential dread of the unknown.
- #23 Void Whispers
81% matchVery Positive92% of 412 reviews2024
Dev: Eduardo Scarpato
Windows
Assume the role of a broadcast engineer in a tranquil city. All seems peaceful until the sky above starts to reveal something deeply unsettling.
Why similar: Aliens 44.5%, Psychological Horror 29.5%, Horror 21.4%, Atmospheric 4.3%, Singleplayer 0.3%
Why You'll Like It: A psychological horror game that deals with alien themes and immersive, claustrophobic environments.
- #24 Anomalies Detective
82% matchMostly Positive77% of 70 reviews2024
Dev: ChenGame
Windows
A psychological horror game with a chapter-based plot, thriller and unusual elements! You are a novice paranormal detective, exploring secrets and finding ways to escape in an infinite loop of scenes. Many unusual things happen during this process, as if some strange force wants to devour you...
Why similar: Psychological Horror 50.8%, Horror 27.5%, Indie 12.1%, First-Person 8.9%, Singleplayer 0.7%
Why You'll Like It: A first-person exploration game that focuses on identifying and documenting strange occurrences in a psychological horror setting.
- #25 Static Dread: The Lighthouse
78% matchVery Positive91% of 1,290 reviews2025
Dev: solarsuit.gamesPub: Polden Publishing
Windows · Mac
Median: 5.9 hrsMean: 6.7 hrs≥1hr: 87%
Lovecraft meets Papers, Please. Play as a lighthouse keeper and guide ships safely into the harbor using your radio. Survive the presence of something impossible, and don’t let the shadows consume you!
Why similar: Psychological Horror 31.1%, Simulation 26.6%, Horror 20.2%, Indie 10.3%, Atmospheric 5.5%
Why You'll Like It: A psychological horror game that uses environmental storytelling and isolation to create a sense of dread.
- #26 The Station
81% 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 45.7%, Indie 21%, Simulation 20.1%, Atmospheric 7.5%, First-Person 5.7%
Why You'll Like It: A sci-fi mystery game that tasks you with investigating an abandoned space station, focusing on narrative and atmosphere.
- #27 Rover Mechanic Simulator
80% matchMostly Positive76% of 654 reviews2020
Dev: ▲ Pyramid GamesPub: Pyramid Games S.A.
Windows
Median: 4.4 hrsMean: 5.9 hrs≥1hr: 93%
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Why similar: Science 38.5% ★, Space 26.8%, Simulation 25.6%, Indie 8.4%, Singleplayer 0.8%
Why You'll Like It: Provides a relaxing, technical, and minimalist simulation experience centered on maintaining space exploration equipment.
- #28 Hacker Simulator
79% matchMostly Positive75% of 1,255 reviews2021
Dev: Save All Studio
Windows
Median: 1.3 hrsMean: 10.9 hrs≥1hr: 55%
Become a hacker and build your online reputation to the top. Complete contracts, buy new programs, upgrade your computer, crack wifi networks and infiltrate peoples or companies online systems.
Why similar: Simulation 61.4%, Sandbox 16%, Indie 9.2%, Atmospheric 6.1%, First-Person 5.7%
Why You'll Like It: It shares the terminal-heavy, technical, and realistic simulation style that makes the seed's gameplay feel authentic.
- #29 UFOPHILIA
77% matchMostly Positive73% of 74 reviews2026
Dev: k148 Game StudioPub: JanduSoft
Windows
UFOPHILIA is a first-person psychological horror game where you explore areas marked by alien phenomena. Use specialized equipment to detect, identify, and photograph aliens—but do so at your own risk... They are watching you too.
Why similar: Aliens 28.1%, Psychological Horror 25.4%, Horror 18.1%, Simulation 18.1%, Indie 4.4%
- #30 Voyager-19
77% matchVery Positive88% of 941 reviews2024
Dev: MizizizizPub: Deep Root Interactive
Windows · Mac · Linux
A short horror game where you control a decaying spacecraft exploring distant star systems.
Why similar: Space 46.9%, Horror 27.1%, Aliens 23.2%, Indie 1.7%, Singleplayer 1.1%
- #31 Spaceflight Simulator
76% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 hrsMean: 14.2 hrs≥1hr: 84%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Science 32.7% ★, Space 27.6%, Simulation 21.6%, Sandbox 13%, Indie 2.9%
- #32 ALONE
78% matchVery Positive88% of 218 reviews2021
Dev: DakeCraftPub: PsychoFlux Entertainment
Windows
You have to help a guy named Yeongchul trapped inside his home, navigate the house to protect himself from suspicious person.
Why similar: Psychological Horror 53.1%, Horror 35.9%, Indie 10%, Singleplayer 1.1%
Why You'll Like It: A space-themed horror game that captures the feeling of being isolated and hunted in a hostile environment.
- #33 ANDROMALIUS
79% matchMostly Positive77% of 77 reviews2019
Dev: Unit Zero Studio
Windows
Spending the first night in a new apartment can be quite nervewracking. New sounds, and thin walls that seperate you from others in the complex. Do you trust your new surroundings?
Why similar: Simulation 37%, Psychological Horror 28.5%, Horror 20.7%, Indie 13.4%, Singleplayer 0.5%
Why You'll Like It: An indie horror title that focuses on psychological tension and atmospheric exploration in a sci-fi setting.
- #34 Dishwashing Simulator
75% matchVery Positive88% of 512 reviews2024
Dev: Frinky
Windows
A short, unique survival-farming-base-building-tycoon-horror game where you must survive through washing dishes. Explore mysterious depths, manage resources, and unravel a cryptic narrative. In DWS, a chore becomes a journey to freedom.
Why similar: Simulation 41%, Psychological Horror 24.3%, Sandbox 16.4%, Horror 10.4%, First-Person 4.4%
- #35 Project Silverfish
73% matchVery Positive94% of 2,854 reviews2025
Dev: Siris Pendrake
Windows
Median: 11.0 hrsMean: 21.9 hrs≥1hr: 88%
Explore a hostile, living world: Uncover forgotten horrors, both man-made and supernatural, as you hunt for powerful weapons and exotic artifacts.
Why similar: Horror 42.7%, Sandbox 36%, Atmospheric 10.9%, First-Person 9%, Singleplayer 1.4%
- #36 Tunnet
74% matchVery Positive95% of 699 reviews2023
Dev: puzzled_squid
Windows · Linux
Median: 3.4 hrsMean: 8.4 hrs≥1hr: 75%
Build, debug and optimize a computer network in an underground facility.
Why similar: Psychological Horror 56.3%, Sandbox 13.5%, Horror 12.2%, First-Person 8.9%, Atmospheric 7.8%
- #37 Phantom Signal — Sci-Fi Strategy Game
76% matchVery Positive85% of 155 reviews2018
Dev: Veslo Games
Windows · Mac · Linux
Median: 4.6 hrsMean: 5.9 hrs≥1hr: 94%
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
Why similar: Space 47.8%, Simulation 42%, Indie 9.6%, Singleplayer 0.7%
- #38 Galimulator
75% matchVery Positive91% of 497 reviews2018
Dev: Snoddasmannen
Windows · Mac · Linux
Median: 1.6 hrsMean: 9.8 hrs≥1hr: 68%
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
Why similar: Simulation 82.9%, Sandbox 17.1%
- #39 Star Trucker
71% matchMostly Positive79% of 4,997 reviews2024
Dev: Monster and MonsterPub: Raw Fury
Windows
Median: 3.3 hrsMean: 10.4 hrs≥1hr: 78%
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
Why similar: Space 42%, Simulation 33.9%, Sandbox 13.8%, First-Person 5.2%, Atmospheric 5.1%
- #40 The Signal State
72% matchVery Positive87% of 657 reviews2021
Dev: Reckoner IndustriesPub: The Iterative Collective
Windows · Mac
Median: 2.7 hrsMean: 5.1 hrs≥1hr: 75%
Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.
Why similar: Simulation 57.2%, Sandbox 25.2%, Indie 16.7%, Singleplayer 0.9%
- #41 IFO
73% matchVery Positive86% of 103 reviews2022
Dev: Lucas Le Slo
Windows · Mac
A spaceship simulator for aliens, an ever-changing rule discovery puzzle for humans.
Why similar: Aliens 53.3%, Space 22.6%, Simulation 13.6%, Indie 7.6%, Atmospheric 2.5%
- #42 Jumpscare Simulator: System Breach
71% matchVery Positive91% of 87 reviews2025
Dev: Durultay Games
Windows
Jumpscare Simulator is a sci-fi horror game featuring a story-driven main game and two additional game modes. Pass through doors carefully, battle the simulation, and try to fall from your seat as little as possible!
Why similar: Psychological Horror 41.6%, Horror 27.7%, Simulation 14.4%, First-Person 5.5%, Indie 5.2%
- #43 INFRA
72% 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: Horror 27.3%, Psychological Horror 25.9%, Indie 17.5%, Atmospheric 14.9%, First-Person 12.9%
- #44 no signal
69% 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 76.8%, Indie 13%, Atmospheric 8.9%, Singleplayer 1.3%
- #45 ALONE?
74% matchMixed42% of 190 reviews2016
Dev: Deceptive Games
Windows · Mac · Linux
Median: 3.5 hrsMean: 4.0 hrs≥1hr: 93%
Explore and experience this horror story, as you embark on an ghostly adventure unlike anything you have played before. Come face-to-face with terror itself as you look for your missing sister.
Why similar: Simulation 43.1%, Horror 20.9%, Psychological Horror 18.6%, Indie 14.6%, Atmospheric 2.9%
- #46 Tin Can
70% matchVery Positive85% of 1,297 reviews2022
Dev: Tin Can Studio
Windows
Median: 1.2 hrsMean: 6.1 hrs≥1hr: 53%
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
Why similar: Space 31.2%, Simulation 27.2%, Science 26.7% ★, Indie 7.9%, First-Person 4%
- #47 Stable Orbit - Build your own space station
73% matchMixed51% of 380 reviews2017
Dev: Jim Offerman
Windows · Mac · Linux
Median: 48 minMean: 5.0 hrs≥1hr: 46%
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
Why similar: Space 40.2%, Simulation 35.2%, Sandbox 14.4%, Indie 4.9%, Atmospheric 4.5%
- #48 Museum of Monoliths
69% matchVery Positive92% of 90 reviews2023
Dev: Podoba InteractivePub: Marevo Collective
Windows
A slow burn walking sim with an interactive soundtrack and horror vibes. You explore abstract locations and create your own unique sound for each of them by moving around and using Monoliths.
Why similar: Psychological Horror 53.2%, Horror 16.2%, Indie 13.7%, Atmospheric 9.1%, First-Person 6.8%
- #49 The Anomalous Hour
69% matchVery Positive92% of 85 reviews2024
Dev: Gambir Studio
Windows
You are alone in a deserted station. Or are you? Take pictures of strange anomalies around the station and you might find a way out.
Why similar: Psychological Horror 30.8%, Simulation 28.6%, Horror 25.1%, First-Person 5.8%, Atmospheric 5%
- #50 Receiver
70% matchMostly Positive80% of 4,164 reviews2013
Dev: Wolfire Games
Windows · Mac · Linux
Median: 18 minMean: 1.9 hrs≥1hr: 27%
Receiver was created for the 7-day FPS challenge to explore gun handling mechanics, randomized levels, and unordered storytelling. Armed only with a handgun and an audio cassette player, you must uncover the secrets of the Mindkill in a building complex infested with automated turrets and hovering shock drones.
Why similar: Simulation 62.6%, Indie 18.8%, Horror 8.1%, First-Person 7.9%, Atmospheric 1.8%
- #51 PAGER
67% matchVery Positive88% of 124 reviews2025
Dev: bilge
Windows
You are wetware, working a mysterious job.
Why similar: Psychological Horror 37.2%, Simulation 28%, Horror 22.5%, First-Person 6.5%, Atmospheric 5.8%
- #52 Steam Engine Simulator
65% matchOverwhelmingly Positive99% of 8,799 reviews2023
Dev: Ektorom Software Inc.
Windows
Median: 1.0 hrsMean: 6.5 hrs≥1hr: 50%
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
Why similar: Simulation 61.8%, Psychological Horror 34.1%, Indie 2.9%, Singleplayer 1.2%
- #53 Moons of Madness
68% 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 28.7%, Science 23.2% ★, Horror 19.8%, Psychological Horror 17.9%, First-Person 3.6%
- #54 Effugium
68% matchMixed60% of 67 reviews2023
Dev: Souporno GhoshPub: Team Glasses
Windows
Explore a cold, abandoned, and dreary facility to piece together its mysteries and find a means for escape from the horror that lurks within.
Why similar: Space 26.5%, Psychological Horror 26%, Horror 25.7%, Atmospheric 8.5%, Indie 7%
- #55 Habitat
71% matchMostly Negative40% of 261 reviews2016
Dev: 4gencyPub: Versus Evil
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 85%
Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.
Why similar: Space 43.5%, Simulation 33.1%, Sandbox 11.9%, Indie 11.5%
- #56 Escape 51
66% matchVery Positive96% of 52 reviews2024
Dev: 51 Goobcells Production
Windows
In Escape 51 you play as a small alien that has been mistreated by humans as he works to escape the research facility that has kept him and other aliens like him captive for so long.
Why similar: Aliens 48.9%, Space 33%, Horror 13.1%, Atmospheric 4.7%, Singleplayer 0.3%
- #57 NiGHT SIGNAL
67% matchVery Positive80% of 101 reviews2022
Dev: Night Signal Entertainment
Windows
NiGHT SIGNAL is a short first-person horror experience that sees you breaking in a new television set, only to find that it picks up strange signals after dark. Hand crafted from flesh and clay.
Why similar: Simulation 39%, Horror 24.7%, Indie 12.6%, Psychological Horror 12.4%, Atmospheric 6.6%
- #58 Project13: Nightwatch
67% matchMixed51% of 70 reviews2024
Dev: DRYBREADPub: Glacier LTD
Windows
A new Observer Gametype where you take on the role of an Observer tasked with guarding the HQ of the Project 13 Corp. . Prevent any Observer Prisoner, each potentially containing a anomaly, from infiltrating the HQ. Equipped with a high-tech binocular, your observation skills are the key to success.
Why similar: Simulation 54%, Psychological Horror 20.5%, Horror 13.6%, Indie 5.7%, First-Person 5.7%
- #59 Endless Dark
64% matchVery Positive99% of 111 reviews2024
Dev: Little Light Studios, LLC
Windows · Linux
An existential horror game in which you are tasked with keeping a sleeper colony ship intact. No enemies or NPCs share the ship with you - only creaking metal echoes and endless dark. Overcome random events, system failures, and the downward spiral of your sanity to see your mission through.
Why similar: Psychological Horror 41%, Simulation 33.9%, Space 18%, Atmospheric 7.1%
- #60 Exo One: Prologue
66% matchVery Positive94% of 741 reviews2020
Dev: Exbleative
Windows
Median: 12 minMean: 1.8 hrs≥1hr: 11%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time. This is the prologue for Exo One.
Why similar: Space 50.7%, Simulation 39.6%, Atmospheric 9.7%