- #1 Duskers
97% matchVery Positive90% of 2,761 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 23.6%, Puzzle 23%, Exploration 15.2%, Sci-fi 13.5%, Strategy 10.5%
Why You'll Like It: You must navigate and control a fleet of drones using a command-line interface to explore derelict, alien-infested ships.
- #2 In Other Waters
96% matchVery Positive87% of 2,499 reviews2020
Dev: Jump Over The AgePub: Fellow Traveller
Windows · Mac
Median: 48 minMean: 4.5 hrs≥1hr: 44%
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?
Why similar: Aliens 21.7%, Point & Click 15.9%, Exploration 13.7%, Puzzle 10.1%, Sci-fi 8.5%
Why You'll Like It: This game features a unique interface-driven exploration mechanic where you guide a scientist through an alien ocean via a cryptic map.
- #3 Machinika: Museum
96% matchVery Positive93% of 6,181 reviews2021
Dev: Littlefield StudioPub: Dear Villagers
Windows · Mac
Median: 2.3 hrsMean: 5.9 hrs≥1hr: 63%
Welcome to the Museum! Machinika Museum is a mystery game where you discover beautiful and mysterious machines of extra-terrestrial origins in an atmospheric galaxy-spanning 3D puzzle game. Will you be able to understand their stories and discover what happened to their previous owner?
Why similar: Aliens 25.9%, Point & Click 20.5%, Puzzle 18.3%, Sci-fi 12.5%, Futuristic 9.3%
Why You'll Like It: A tactile puzzle game focused on manipulating intricate, alien-looking mechanical devices to reveal their secrets.
- #4 Observation
95% matchMostly Positive78% of 5,112 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 32%, Sci-fi 26.5%, Puzzle 18.6%, Indie 15.8%, Atmospheric 5.4%
Why You'll Like It: You play as the station's AI, interacting with the environment through a series of cameras and diagnostic interfaces to uncover a mystery.
- #5 Stories Untold
94% matchVery Positive87% of 5,426 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: Point & Click 40.1%, Sci-fi 19.3%, Puzzle 16.1%, Atmospheric 12.4%, Indie 8.7%
Why You'll Like It: This narrative puzzle game relies heavily on interacting with retro computer terminals and physical devices to piece together a strange story.
- #6 Kosmokrats
94% matchVery Positive87% of 124 reviews2020
Dev: Pixel DelusionPub: Modern Wolf
Windows
Experience life in space using cutting edge drone simulation technology. You can never fail — build ships, make friends, live forever.
Why similar: Puzzle 33.8%, Space 31.1%, Sci-fi 12.2%, Simulation 7.8%, Atmospheric 7.6%
Why You'll Like It: A physics-based space puzzle game that requires you to manipulate objects in zero-gravity with a clunky, challenging interface.
- #7 TIS-100
93% matchOverwhelmingly Positive97% of 4,067 reviews2015
Dev: Zachtronics
Windows · Mac · Linux
Median: 1.2 hrsMean: 6.2 hrs≥1hr: 52%
TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!
Why similar: Puzzle 74.8%, Simulation 12.6%, Indie 9.3%, Singleplayer 3.3%
Why You'll Like It: An uncompromising puzzle game that forces you to learn and manipulate a complex, low-level programming interface to fix a corrupted system.
- #8 SHENZHEN I/O
92% matchVery Positive95% of 4,452 reviews2016
Dev: Zachtronics
Windows · Mac · Linux
Median: 2.1 hrsMean: 11.5 hrs≥1hr: 61%
BUILD CIRCUITS. WRITE CODE. RTFM.
Why similar: Puzzle 72.2%, Simulation 14.4%, Indie 8.6%, Singleplayer 3%, 2D 1.8%
Why You'll Like It: Much like IFO, this game tasks you with building circuits and writing code for a complex, alien-like hardware interface.
- #9 FTL: Faster Than Light
91% matchOverwhelmingly Positive95% of 77,932 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 33.9 hrs≥1hr: 89%
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Why similar: Space 32.8%, Sci-fi 22%, Space Sim 15.8%, Strategy 14.8%, Indie 5%
Why You'll Like It: A classic spaceship management game where you must constantly monitor and adjust various ship systems under pressure.
- #10 Papers, Please
91% matchOverwhelmingly Positive97% of 78,992 reviews2013
Dev: Lucas PopePub: 3909
Windows · Mac · Linux
Median: 4.3 hrsMean: 10.2 hrs≥1hr: 85%
Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.
Why similar: Point & Click 40.6%, Puzzle 19.9%, Indie 10.9%, Simulation 10.5%, Strategy 6.3%
Why You'll Like It: You must master a complex, rule-based bureaucratic interface to identify anomalies and make critical decisions.
- #11 Shortest Trip to Earth
90% matchMostly Positive77% of 1,430 reviews2019
Dev: Interactive Fate
Windows · Linux
Median: 3.2 hrsMean: 6.6 hrs≥1hr: 88%
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
Why similar: Aliens 27.6%, Space 17.6%, Sci-fi 14%, Space Sim 13.6%, Exploration 9.8%
Why You'll Like It: A space survival simulation that requires constant management of ship systems and tactical decision-making.
- #12 Void Stranger
88% matchVery Positive91% of 3,399 reviews2023
Dev: System Erasure
Windows
Median: 4.8 hrsMean: 16.1 hrs≥1hr: 79%
Place your faith and embrace the Void.
Why similar: Puzzle 69.1%, 2D 13.4%, Indie 9.3%, Singleplayer 5.6%, Atmospheric 2.6%
Why You'll Like It: An abstract, cryptic puzzle game that rewards deep experimentation and discovery of hidden rules within its minimalist world.
- #13 Signal Simulator
89% matchMostly Positive79% of 1,027 reviews2018
Dev: Blagovest Penev
Windows · Linux
Median: 2.9 hrsMean: 7.4 hrs≥1hr: 71%
Game inspired by SETI. Take the role of a scientist to find an extraterrestrial signal .Control massive Radio Antennas by using interactive control in your Observatory. Detect , download and decode unknown or story telling signals. Manage and Maintain an electrical system to improve your systems and make it more efficient.
Why similar: Aliens 53.1%, Space 22.9%, Simulation 13.5%, Indie 7.4%, Atmospheric 2.6%
Why You'll Like It: A realistic simulation of a deep-space radio telescope that requires you to monitor and interpret incoming alien signals.
- #14 The Fermi Paradox
89% matchMostly Positive77% of 991 reviews2021
Dev: Anomaly Games
Windows
Median: 3.9 hrsMean: 5.4 hrs≥1hr: 75%
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.
Why similar: Aliens 34.8%, Space Sim 19.5%, Sci-fi 13.3%, Space 12.4%, Strategy 7.4%
Why You'll Like It: A god-game simulation that allows you to guide the development of alien civilizations across the galaxy.
- #15 Exo One
87% matchVery Positive90% of 5,153 reviews2021
Dev: ExbleativePub: Future Friends Games
Windows
Median: 1.8 hrsMean: 2.7 hrs≥1hr: 67%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
Why similar: Space 26.8%, Space Sim 26.6%, Exploration 16.5%, Sci-fi 16.4%, Atmospheric 8.3%
Why You'll Like It: An atmospheric, abstract space exploration game that focuses on momentum and the feeling of traversing alien landscapes.
- #16 Baba Is You
86% matchOverwhelmingly Positive98% of 24,029 reviews2019
Dev: Hempuli Oy
Windows · Mac · Linux
Median: 4.2 hrsMean: 13.5 hrs≥1hr: 86%
Baba Is You is a puzzle game where the rules you have to follow are present as blocks you can interact with. By manipulating them, you can change how the game works, repurpose things you find in the levels and cause surprising interactions!
Why similar: Puzzle 76.6%, Indie 9.8%, 2D 6.9%, Singleplayer 3.7%, Strategy 2.1%
Why You'll Like It: This game is the gold standard for rule-discovery puzzles, where you manipulate the logic of the game world to progress.
- #17 Hypnospace Outlaw
85% matchOverwhelmingly Positive97% of 5,418 reviews2019
Dev: TendershootPub: No More Robots
Windows · Mac · Linux
Median: 3.4 hrsMean: 6.7 hrs≥1hr: 77%
Greetings Enforcer, and thank you for enlisting in the Hypnospace Patrol Department! As the world falls into its slumber, Hypnospace becomes a bustling global village. These virtual streets aren't going to police themselves!
Why similar: Point & Click 49.8%, Puzzle 23.2%, Simulation 13.3%, Atmospheric 6.2%, Indie 4.7%
Why You'll Like It: An interface-heavy exploration game that tasks you with navigating a surreal, retro-internet environment to solve puzzles.
- #18 Planet RIX-13
86% matchVery Positive95% of 108 reviews2017
Dev: 9 Eyes Game Studio
Windows
Median: 2.9 hrsMean: 3.2 hrs≥1hr: 85%
Planet RIX-13 is а 2D adventure, in which you play as a space explorer engaged in searching for planets potentially suitable for life.
Why similar: Point & Click 36.8%, Puzzle 29.2%, Futuristic 16.5%, Indie 8.9%, Sci-fi 8.6%
Why You'll Like It: A point-and-click sci-fi adventure that emphasizes exploration and puzzle-solving on a mysterious, desolate planet.
- #19 The Case of the Golden Idol
82% matchOverwhelmingly Positive98% of 10,351 reviews2022
Dev: Color Gray GamesPub: Playstack
Windows · Mac · Linux
Median: 7.0 hrsMean: 8.0 hrs≥1hr: 90%
A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.
Why similar: Point & Click 38.3%, Puzzle 33.3%, Exploration 10.7%, 2D 7.8%, Atmospheric 7.1%
Why You'll Like It: A deduction-based puzzle game that requires you to piece together the rules of a crime scene through observation and logic.
- #20 Hacknet
83% matchVery Positive94% of 25,910 reviews2015
Dev: Team Fractal AlligatorPub: Fellow Traveller
Windows · Mac · Linux
Median: 3.0 hrsMean: 13.2 hrs≥1hr: 79%
Hacknet is an immersive, terminal-based hacking simulator for PC. Dive down a rabbit hoIe as you follow the instructions of a recently deceased hacker, whose death may not have been the accident the media reports.
Why similar: Sci-fi 38.2%, Simulation 19.8%, Atmospheric 14.2%, 2D 13.1%, Indie 8.9%
Why You'll Like It: A terminal-based hacking simulator that provides an authentic, interface-focused experience of navigating complex systems.
- #21 Quadrilateral Cowboy
84% matchVery Positive92% of 994 reviews2016
Dev: Blendo Games
Windows · Mac · Linux
Median: 1.3 hrsMean: 3.6 hrs≥1hr: 55%
When you have a top-of-the-line hacking deck armed with a 56.6k modem and a staggering 256k RAM, it means just one thing: you answer only to the highest bidder.
Why similar: Sci-fi 34.3%, Puzzle 32.8%, Atmospheric 12.3%, Exploration 8.6%, Indie 6.9%
Why You'll Like It: A hacking-focused puzzle game where you use a portable terminal to manipulate the environment and bypass security.
- #22 The Long Journey Home
84% matchMixed59% of 1,922 reviews2017
Dev: Daedalic Studio WestPub: Daedalic Entertainment
Windows · Mac
Median: 3.9 hrsMean: 5.9 hrs≥1hr: 89%
The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?
Why similar: Space 32%, Strategy 20.8%, Sci-fi 14.4%, Exploration 13.4%, Simulation 11.3%
Why You'll Like It: A space exploration game that emphasizes the difficulty of navigating and managing a ship in a hostile, alien-filled universe.
- #23 Opus Magnum
81% matchOverwhelmingly Positive97% of 6,887 reviews2017
Dev: Zachtronics
Windows · Mac · Linux
Median: 4.7 hrsMean: 13.3 hrs≥1hr: 77%
Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!
Why similar: Puzzle 74.4%, Simulation 10.9%, Indie 9.4%, 2D 3%, Singleplayer 2.2%
Why You'll Like It: A mechanical puzzle game where you design complex machines to perform specific tasks, mirroring the interface-discovery feel of IFO.
- #24 CyberHive
82% matchMostly Positive77% of 77 reviews2020
Dev: Blazing Planet Studio
Windows · Mac · Linux
CyberHive is a strategic space travel simulator with a non-linear story, in the cosmic opera setting, and in an anime visual style.
Why similar: Space Sim 27.1%, Space 22.7%, Sci-fi 16.2%, Strategy 11.6%, 2D 5.9%
Why You'll Like It: A management-heavy space survival game that requires careful resource allocation and strategic planning.
- #25 Voyager-19
77% matchVery Positive88% of 978 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 18.9%, Space Sim 16.5%, Sci-fi 15.8%, Aliens 15.6%, Puzzle 15.5%
- #26 Phantom Signal — Sci-Fi Strategy Game
80% matchVery Positive85% of 156 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: Strategy 26.1%, Space 25.7%, Sci-fi 19.6%, Space Sim 15.2%, Simulation 8.1%
Why You'll Like It: A strategy-focused space game that emphasizes simulation and tower-defense elements within a sci-fi setting.
- #27 Space Rogue
81% matchMixed64% of 451 reviews2016
Dev: Red Beat
Windows · Mac
Median: 3.5 hrsMean: 4.7 hrs≥1hr: 92%
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
Why similar: Space 33.6%, Strategy 18.1%, Sci-fi 17.1%, Exploration 14.1%, Simulation 6.5%
Why You'll Like It: A space-faring strategy game that blends survival and exploration with a focus on ship-based decision-making.
- #28 Human Resource Machine
78% matchVery Positive94% of 4,642 reviews2015
Dev: Tomorrow Corporation
Windows · Mac · Linux
Median: 3.0 hrsMean: 6.2 hrs≥1hr: 84%
Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.
Why similar: Puzzle 73.2%, Indie 12.2%, Simulation 10.9%, Singleplayer 3.6%
Why You'll Like It: A logic-based puzzle game that uses a visual programming interface to automate tasks, similar to deciphering a machine's logic.
- #29 7 Billion Humans
78% matchVery Positive94% of 2,104 reviews2018
Dev: Tomorrow Corporation
Windows · Mac · Linux
Median: 3.4 hrsMean: 11.6 hrs≥1hr: 83%
Automate swarms of office workers to solve puzzles inside your very own parallel computer made of people. A thrilling followup to the award winning Human Resource Machine. Now with more humans!
Why similar: Puzzle 71%, Simulation 14%, Indie 11.6%, Singleplayer 3.5%
Why You'll Like It: A sequel to Human Resource Machine that expands on logic-based puzzle mechanics with a focus on parallel processing.
- #30 Escape 51
77% 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 37.7%, Puzzle 17.7%, Space 15.2%, Sci-fi 11.4%, Strategy 7.3%
- #31 Weird Worlds: Return to Infinite Space
79% matchMixed66% of 621 reviews2013
Dev: Digital Eel
Windows · Mac · Linux
Median: 6 minMean: 1.7 hrs≥1hr: 18%
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
Why similar: Strategy 32.6%, Sci-fi 22.2%, Space 20.3%, Indie 13.9%, Exploration 9%
Why You'll Like It: A short-form space exploration game that focuses on discovery and random encounters in a procedurally generated galaxy.
- #32 Starship Inspector
79% matchMixed61% of 51 reviews2021
Dev: Vedanta Team
Windows
Starship Inspector is a Space Roguelike in which every choice you make matters. Save a galaxy or rescue your crew member? Serve an evil empire or help an ancient tribe? You'll constantly have to make hard decisions and deal with consequences.
Why similar: Strategy 22.3%, Space 19.3%, Sci-fi 16.5%, Space Sim 14.7%, Indie 8%
Why You'll Like It: A simulation game where you act as an inspector, managing and maintaining various systems on a spaceship.
- #33 Machinika: Atlas
75% matchMostly Positive76% of 568 reviews2024
Dev: Littlefield StudioPub: Dear Villagers
Windows
Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!
Why similar: Aliens 23.2%, Point & Click 21.5%, Puzzle 18.5%, Space 13.5%, Sci-fi 12.8%
- #34 Space Sprouts
74% matchVery Positive97% of 67 reviews2025
Dev: Schleuder Games
Windows · Mac
Launch into a chaotic spaceship adventure: bend the rules of physics, experiment with unusual gadgets and toss everything around. With each journey, you will have limited time to reveal the mysteries aboard your solar punk spaceship - how much will you discover before you arrive home?
Why similar: Space Sim 21.8%, Puzzle 21.2%, Space 15.1%, Sci-fi 13.6%, Exploration 12.5%
- #35 SYMMETRY
76% matchMixed55% of 306 reviews2018
Dev: Sleepless ClinicPub: IMGN.PRO
Windows · Mac
Median: 1.4 hrsMean: 7.9 hrs≥1hr: 56%
A research spaceship reaches an abandoned planet. Nothing is what it seems here and the situation quickly slips out of control. Can the crew manage to survive and get back home?
Why similar: Space Sim 18.3%, Space 18.2%, Sci-fi 16.7%, Futuristic 15.1%, Strategy 10.3%
- #36 Looking for Aliens
73% matchVery Positive95% of 346 reviews2021
Dev: YustasPub: Alawar Casual
Windows
Median: 3.3 hrsMean: 4.8 hrs≥1hr: 86%
Aliens are among us! Can you find traces of them on Earth, the moon, and the edges of the galaxy? Find all the clues to prove the existence of alien civilizations and discover how making fried eggs can end up in a monster attack!
Why similar: Aliens 25.5%, Point & Click 24.4%, Puzzle 20.4%, Space 13.2%, Exploration 5.1%
- #37 Space Haven
69% matchVery Positive86% of 10,442 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 19.9 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 22.7%, Space 21.3%, Sci-fi 16.8%, Strategy 11.8%, Exploration 11.4%
- #38 ALONE IN SPACE
76% 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 28.9%, Puzzle 23.6%, Sci-fi 19.6%, Exploration 15.2%, Atmospheric 4.6%
- #39 Adaptory
70% matchVery Positive81% of 104 reviews2026
Dev: Stormcloak GamesPub: indie.io
Windows · Mac
Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed. Master complex simulations to keep your outspoken explorers alive, face unpredictable challenges, and figure out a way back home.
Why similar: Sci-fi 36%, Simulation 17.9%, Exploration 17.7%, 2D 12.8%, Indie 10.6%
- #40 Into the Stars
75% matchMixed41% of 537 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 47.9%, Strategy 27.6%, Simulation 15.6%, Indie 8.9%
- #41 Objects in Space
73% matchMixed52% of 614 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.7 hrs≥1hr: 71%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 29.9%, Strategy 20.3%, Space Sim 18.7%, Simulation 12.9%, Sci-fi 10.4%
- #42 Into the Void
74% matchMixed63% of 136 reviews2015
Dev: Mozg Labs
Windows · Mac · Linux
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 98%
Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles. Travel through space and discover the origin of a cosmic threat which destroyed Earth centuries ago. Fight or cooperate with the different factions; be a leader !
Why similar: Space 48.9%, Strategy 31.4%, Exploration 11%, Indie 6.6%, Singleplayer 2.1%
- #43 Oxygen Not Included
68% matchOverwhelmingly Positive97% of 140,434 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 68.0 hrs≥1hr: 86%
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Why similar: Space 23.2%, Strategy 15.2%, Sci-fi 14.7%, Space Sim 11.8%, Exploration 9.6%
- #44 Delos: Space Traffic Control
70% matchVery Positive83% of 54 reviews2025
Dev: hv
Windows
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 32.2%, Sci-fi 19.3%, Point & Click 19%, Strategy 13.7%, Simulation 8.5%
- #45 Infinifactory
71% matchVery Positive95% of 2,465 reviews2015
Dev: Zachtronics
Windows · Mac · Linux
Median: 5.7 hrsMean: 8.8 hrs≥1hr: 87%
Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.
Why similar: Puzzle 53.9%, Sci-fi 15.6%, Space 9.7%, Simulation 8.4%, Indie 6.8%
- #46 UFO - Unfortunately Fortunate Organisms
72% matchVery Positive86% of 65 reviews2017
Dev: Rebourne StudiosPub: Back To Basics Gaming
Windows · Mac · Linux
Median: 3.2 hrsMean: 3.2 hrs≥1hr: 69%
U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race?
Why similar: Aliens 56.1%, Space 23.7%, Indie 20.1%
- #47 Horizon
73% matchMixed59% of 477 reviews2014
Dev: L3O Interactive
Windows
Median: 2.0 hrsMean: 5.0 hrs≥1hr: 92%
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Why similar: Space 25.3%, Sci-fi 20.3%, Strategy 14.6%, Exploration 14.1%, Futuristic 13.7%
- #48 Future War Tactics: SOF vs Alien Invasion – Turn-Based Strategy
69% matchMixed67% of 147 reviews2025
Dev: QuadCom InteractivePub: Brightika, Inc.
Windows
Future War Tactics: SOF vs Alien Invasion - a turn-based strategy where you command SOF forces against an alien threat. Investigate disappearances, fight the invaders, and uncover the mystery. Every decision affects the fate of humanity.
Why similar: Aliens 59.9%, Strategy 24.8%, Atmospheric 10.6%, Indie 2.4%, Simulation 1.6%
- #49 UFO: Aftershock
71% matchMostly Positive75% of 256 reviews2014
Dev: ALTAR InteractivePub: Fulqrum Publishing
Windows
Median: 18 minMean: 28.0 hrs≥1hr: 40%
UFO: Aftershock is a combination of tactical squad combat and global strategy that enhances and expands upon its prequel, UFO: Aftermath.
Why similar: Aliens 37.1%, Strategy 31.3%, Sci-fi 16.9%, Space 14.6%
- #50 UFO: Aftermath
71% matchMostly Positive78% of 339 reviews2014
Dev: Altar InteractivePub: Fulqrum Publishing
Windows
Median: 48 minMean: 10.0 hrs≥1hr: 47%
UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.
Why similar: Aliens 41.8%, Strategy 31%, Sci-fi 14.4%, Space 10.8%, Singleplayer 2%
- #51 Orbitmine
66% matchVery Positive84% of 353 reviews2026
Dev: vibemaker1
Windows
Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.
Why similar: Space 30.3%, Sci-fi 28.6%, Strategy 14%, Exploration 13%, 2D 5%
- #52 The Sentient
72% matchMostly Negative39% of 82 reviews2016
Dev: Uncaged Studios
Windows
Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.
Why similar: Space Sim 28.9%, Space 25.9%, Strategy 23.5%, Simulation 12.5%, Indie 9.2%
- #53 Voidship: The Long Journey
70% matchMostly Positive74% of 148 reviews2019
Dev: Cydonian Games
Windows
Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!
Why similar: Space 23%, Strategy 21.3%, Sci-fi 20.1%, Simulation 10.8%, Indie 8.4%
- #54 Deep Sixed
69% matchVery Positive84% of 105 reviews2018
Dev: LRDGames, Inc.
Windows · Mac · Linux
Deep Sixed is a roguelike space sim that will force you to use strategy, ingenuity and duct tape to keep your ship (and your skull) in one piece as you risk exploring a mysterious nebula protected by dangerous alien creatures.
Why similar: Strategy 30.2%, Space 21.1%, Simulation 16.1%, Sci-fi 14.6%, Indie 11.7%
- #55 Universe Horizon
65% matchVery Positive89% of 227 reviews2025
Dev: Jarkem
Windows · Linux
An idle incremental game where you decide to travel across the whole Universe. Embark on this journey in your little ship and get as far away as possible from Earth, gathering resources and upgrading your spaceship along the way.
Why similar: Point & Click 26.7%, Space 24.6%, Exploration 15.3%, Strategy 10.4%, Sci-fi 7.8%
- #56 Nauticrawl
67% matchVery Positive92% of 467 reviews2019
Dev: Spare Parts OasisPub: Armor Games Studios
Windows · Mac
Median: 2.3 hrsMean: 3.5 hrs≥1hr: 76%
A stolen, enigmatic machine is your only way out. It's likely to kill you, but so will the hostile planet you're escaping. Pull levers, hack devices, and puzzle out how to pilot the Nauticrawl to freedom in this unusual atmospheric adventure... or die trying.
Why similar: Point & Click 21.2%, Puzzle 18.3%, Sci-fi 14.8%, Space 13.6%, Exploration 9.1%
- #57 Event[0]
67% matchVery Positive80% of 2,275 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 34.1%, Sci-fi 31.5%, Exploration 14.3%, Atmospheric 10.2%, Indie 6.5%
- #58 no signal
64% matchVery Positive99% of 71 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: Point & Click 20.8%, Puzzle 18.7%, Space 18.1%, Sci-fi 14.4%, Exploration 10.9%
- #59 Earth Analog
68% 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 21.7%, Space Sim 21.3%, Puzzle 18%, Sci-fi 14.5%, Exploration 12.6%
- #60 SPACE ACCIDENT
66% matchMostly Positive77% of 295 reviews2022
Dev: Whale Rock Games
Windows
Your hero is Andy Freeman, a technical engineer of the Zeus-M700 spacecraft, sent on an expedition to the satellite of Jupiter to colonize it. However, what is conceived does not always go according to plan…
Why similar: Puzzle 28.8%, Space Sim 21.9%, Futuristic 12.9%, Exploration 11.8%, Sci-fi 10.6%