- #1 Space Station Continuum
97% matchNegative15% of 39 reviews2020
Dev: N-Body Solutions
Windows
Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.
Why similar: Space Sim 20.9%, Science 18.1%, Economy 10%, Building 9.5%, Base Building 9.2%
- #2 SkyRig
96% matchNo user reviews
Dev: Rocket Flair StudiosPub: Astra Logical
Windows
Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.
Why similar: Science 20.7%, Space Sim 16.9%, Automation 16.1%, Base Building 10.5%, Space 9%
- #3 Planet Factory
96% matchPositive86% of 29 reviews2024
Dev: SupremeGuardianGames
Windows
A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!
Why similar: Space Sim 18.3%, Science 14.9%, Base Building 12.7%, Space 11.2%, Building 9.5%
- #4 Reprocessed
95% matchNo user reviews
Dev: Macrostructura
Windows
Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.
Why similar: Space Sim 20%, Automation 17.1%, Base Building 12.2%, Building 11.2%, Space 9.7%
- #5 Obelisk Foundry
94% match3 user reviews100% of 3 reviews2025
Dev: ZxStudio
Windows
Build orbital factories, mine asteroids & trade with aliens in this deep space strategy game! Research tech, manage production chains, and choose: peaceful trade or combat when mysterious ships arrive. The ultimate industrial space empire simulator!
Why similar: Science 24%, Space Sim 20%, Economy 12.6%, Building 12.5%, Management 8.6%
- #6 FARWORLD BEACON
93% match5 user reviews100% of 5 reviews2026
Dev: BEACON STUDIO
Windows
You are the supreme commander who directing the construction of a galactic space base. You need to manage the living and administrative needs of the space base residents, establish the industrial chain for space docks and starship, and ultimately complete a dream starship.
Why similar: Space Sim 31.4%, Automation 17.5%, Building 14.4%, Base Building 12.6%, Simulation 9.1%
- #7 Fabricatio
92% match3 user reviews100% of 3 reviews2026
Dev: Kysix Software
Windows
Build efficient production lines, automate resource transport, and master complex logistics in a 2D factory-building experience focused purely on automation.
Why similar: Automation 20.4%, Base Building 15.5%, Science 13.2%, Building 9.5%, Space Sim 8.9%
- #8 The Last Starship
91% matchMostly Positive75% of 1,617 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.9 hrsMean: 11.4 hrs≥1hr: 80%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 23.4%, Science 13.7%, Automation 10.7%, Base Building 10.2%, Building 10.1%
- #9 Untethered
91% matchNo user reviews2027
Dev: True Anomaly Entertainment
Windows · Mac · Linux
Untethered is a space survival-sandbox set in our own cosmic backyard. Explore zero-gravity environments, build and operate realistic space stations, and fight to stay alive in the unforgiving realm of deep space.
Why similar: Space Sim 22.1%, Automation 15.1%, Science 10.2%, Base Building 10.2%, Space 9.4%
- #10 Project Substrata
90% matchNo user reviews2026
Dev: Studio Substrata
Windows
A base-building and automation game about restoring a ruined planet. Mine resources, build factories, deploy AI drones, and revive a living world.
Why similar: Space Sim 30.6%, Automation 18%, Base Building 10.7%, Crafting 9.3%, Simulation 8.7%
- #11 RemoteSpace: First Settlement
89% matchNo user reviews
Dev: ShadowDev
Windows
A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.
Why similar: Space Sim 31%, Science 18%, Building 11.9%, Base Building 10.4%, Space 8.1%
- #12 HAS Galactics
89% match7 user reviews29% of 7 reviews2025
Dev: HAS Games
Windows
HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!
Why similar: Space Sim 20.4%, Automation 17.6%, Base Building 11.3%, Space 10%, Building 7.3%
- #13 Possible One: Lunar Industries
86% matchMostly Positive76% of 49 reviews2026
Dev: Upstairs Games
Windows
Stake your claim in the first realistic lunar colony management game! Use proven, real-world technologies to plan and grow your colony, mine resources, ship them to Earth, and keep the board of directors happy in this science-based colony sim.
Why similar: Space Sim 25%, Science 15.9%, Economy 9.6%, Building 9.1%, Base Building 7.6%
- #14 orbit.industries
88% matchMixed61% of 88 reviews2022
Dev: LAB132Pub: Klabater
Windows · Linux
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Why similar: Space Sim 21.4%, Science 15.2%, Automation 13.1%, Space 12.5%, Building 9.2%
- #15 IMPACT
87% matchMixed56% of 61 reviews2024
Dev: Hochschule Darmstadt
Windows
IMPACT is an immersive sci-fi game set on the Moon. Build and manage a lunar base, generating valuable scientific data along the way. This data is used by the European Space Agency to train a real AI that will eventually land on the Moon.
Why similar: Space Sim 26.3%, Science 19.8%, Space 9.4%, Base Building 8.3%, Economy 6.5%
- #16 X Space
86% matchNo user reviews2026
Dev: X SPACE
Windows
A sudden, devastating strike has reduced your interstellar voyage to ruins. As the sole survivor in X SPACE, you must rebuild your space base from scratch, assemble a versatile fleet, and pilot your massive mobile fortress into the depths of the universe.
Why similar: Space Sim 21.4%, Automation 14.3%, Building 10.6%, Space 10.4%, Base Building 9.6%
- #17 Space Sim Tycoon
85% match5 user reviews60% of 5 reviews2025
Dev: SuperChicken Productions LLC
Windows
Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.
Why similar: Space Sim 32.3%, Automation 11.9%, Building 11%, Simulation 10.9%, Space 8.5%
- #18 Keplerian Space Discovery
84% matchNo user reviews88% of 24 reviews2026
Dev: Kugelblitz
Windows
Travel through the solar system in your own spaceship! The motion of each celestial body is accurately reproduced by the Kepler equation.
Why similar: Space Sim 26%, Science 25.6%, Building 13.5%, Space 12.9%, Crafting 11.7%
- #19 Interstellar Inn
84% matchNo user reviews
Dev: Kunaya
Windows
Interstellar Inn is a 2D hotel building and management sim in space.
Why similar: Space Sim 24%, Base Building 13.9%, Economy 12.6%, Building 12%, Management 11.5%
- #20 Final Upgrade
83% matchMostly Positive77% of 457 reviews2022
Dev: TaosX
Windows
Median: 4.2 hrsMean: 12.2 hrs≥1hr: 69%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Space Sim 21.8%, Automation 19.4%, Base Building 12.2%, Building 12.1%, Space 11.8%
- #21 Yuri's Resolve
82% matchNo user reviews2026
Dev: Apothecary Games
Windows
Yuri’s Resolve is a single-player factory-building game set in Mars' orbit. Salvage wreckage, mine Phobos, construct manufacturing systems, and forge a path back home. Operate from the immersive cockpit of your ship as Yuri’s Resolve delivers a bold, innovative take on the factory building genre.
Why similar: Automation 20.1%, Space Sim 19.9%, Base Building 13.2%, Space 10.7%, Crafting 10.4%
- #22 Astrometica: Prologue
81% matchVery Positive90% of 1,294 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 1.1 hrsMean: 3.0 hrs≥1hr: 52%
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
Why similar: Space Sim 30.1%, Automation 14.4%, Base Building 12.9%, Building 12.6%, Space 10%
- #23 Solar Expanse - Space Exploration Manager
80% matchVery Positive88% of 1,153 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.8 hrsMean: 14.6 hrs≥1hr: 77%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Space Sim 25%, Science 24.7%, Space 13%, Management 7.7%, Building 6.7%
- #24 Space Elevator Project
82% matchNo user reviews
Dev: VanilliA Studio
Windows
A simulation sci-fi game where players take on the role of the project manager of a space elevator project. They will progressively achieve project phase goals and ultimately accomplish the ultimate goal of constructing a Mars colonization spacecraft.
Why similar: Space Sim 38.5%, Simulation 12.8%, Building 10.6%, Space 10.5%, Base Building 8.6%
- #25 Celestarium
81% matchNo user reviews
Dev: Celestarium Dev
Windows · Mac · Linux
Celestarium, an astronomy game where you start as an amateur astronomer. Discover and map planets, sell data to corporates, improve your gear, start your own space agency, manage your own missions, build and fly rockets to discovered bodies. Explore, prosper and expand your presence in space.
Why similar: Science 22.5%, Space Sim 19.8%, Space 13.3%, Building 10.8%, Futuristic 9.2%
- #26 Astrosphere
79% matchMixed50% of 14 reviews2024
Dev: Mario Jacob
Windows
Build your space station, design your own ships, and explore relaxed sci-fi sectors in Astrosphere. Gather resources, research new technologies, and shape your journey through the cosmos at your own pace.
Why similar: Space Sim 29.8%, Base Building 13%, Building 12.3%, Space 10.3%, Management 9%
- #27 Solar Baron
79% matchNo user reviews
Dev: Preon Studio
Windows
As head of an interplanetary corporation, your goal is to extract resources from across the solar system and bring them home faster and cheaper than your competitors. Construct trade depots and colonies. Build rockets and spaceports. Master realistic orbital mechanics and maximize profits.
Why similar: Space Sim 25%, Automation 17.2%, Base Building 12.3%, Space 11.6%, Economy 10%
- #28 Dyson Sphere Program
78% matchOverwhelmingly Positive97% of 91,085 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.1 hrsMean: 75.3 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Automation 24.1%, Base Building 15.4%, Space 14.4%, Space Sim 13.3%, Building 12.1%
- #29 Astral Enterprises
78% matchNo user reviews
Dev: Cosmic Fin Studios
Windows · Mac
As CEO, build your corporate empire! Design space-efficient factories in a grid-based puzzle system. Fund cutting-edge research to optimize production, master complex supply chains, and dominate a living interstellar economy.
Why similar: Automation 18.1%, Economy 15.4%, Base Building 14.5%, Management 11.9%, Building 11.5%
- #30 Spaceflight Simulator
77% matchOverwhelmingly Positive97% of 9,436 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.2 hrs≥1hr: 83%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 35.9%, Science 22.2%, Space 14%, Building 6.7%, Simulation 6.3%
- #31 Hexfactory
76% matchMixed54% of 13 reviews2025
Dev: Aquila Industrial
Windows
Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.
Why similar: Space Sim 27.9%, Automation 14.8%, Building 9.8%, Space 8.5%, Crafting 7%
- #32 Soyuz Constructors
76% matchNo user reviews
Dev: Pyramid Games S.A.Pub: Pyramid Lab
Windows
Become a pioneer of spaceflight. As an engineer in the Soviet Space Program you will be responsible for repairing, fixing and building the iconic spacecraft and rockets from the R-7 family.
Why similar: Space Sim 26.9%, Science 23.2%, Building 12.2%, Space 11.5%, Simulation 10.7%
- #33 Elon
75% matchNo user reviews
Dev: MonoBehavior Games
Windows
After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?
Why similar: Space Sim 33.7%, Building 11.6%, Crafting 8.7%, Space 7.7%, Futuristic 7.6%
- #34 Kepler Project
75% matchNo user reviews
Dev: Kepler Project
Windows · Linux
Build rockets and shoot them into space. Once you reach orbit, you are halfway to explore anywhere in the Solar System.
Why similar: Space Sim 39.2%, Science 20.6%, Space 19.5%, Simulation 10.9%, Exploration 8.6%
- #35 Infinite Space: Mining
73% match5 user reviews100% of 5 reviews2026
Dev: Taner Saydam
Windows
Build and automate your own industrial space empire. Mine asteroids, manage logistics, expand production lines with drones and conveyors, explore new sectors through wormholes, and grow your mining operation across the galaxy.
Why similar: Space Sim 21.6%, Automation 18.8%, Space 13%, Management 8.9%, Building 8.8%
- #36 Main Sequence
74% matchNo user reviews
Dev: Tumbling Dumpling StudioPub: Mythwright
Windows
Main Sequence is a first-person space-sim factory builder where you design spaceships, build space stations, and automate everything. Start with a single ship and grow to become an interstellar industrial empire as you leave your mark on the galaxy.
Why similar: Space Sim 32.2%, Automation 21.4%, Base Building 13.6%, Space 11%, Crafting 7.7%
- #37 Astro Colony
72% matchVery Positive81% of 2,654 reviews2026
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Automation 19.8%, Space Sim 19.2%, Base Building 15.5%, Space 12.6%, Building 10.5%
- #38 SpaceBourne 2
72% matchMostly Positive76% of 5,095 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.1 hrs≥1hr: 71%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 28.7%, Science 17.9%, Base Building 11.3%, Economy 9.5%, Space 8.7%
- #39 Industronaut
74% matchNo user reviews2026
Dev: Amca Games
Windows
A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.
Why similar: Automation 19.1%, Space Sim 16.6%, Base Building 12.5%, Building 10.2%, Space 9.5%
- #40 Orbital Express
73% matchNo user reviews
Dev: Igor Trnka
Windows
Build and manage your own space company. Design missions, launch satellites, and expand your influence across Earth’s orbit.
Why similar: Space Sim 33.5%, Science 15.1%, Simulation 11.4%, Automation 10%, Space 7.7%
- #41 Search
73% match5 user reviews80% of 5 reviews2023
Dev: Ahmad R.H.
Windows
The existence of all mankind is under threat. You are the only hope!
Why similar: Space Sim 33.8%, Science 25.1%, Space 16.2%, Simulation 9.7%, Management 7.2%
- #42 Complex SKY
71% matchNo user reviews
Dev: MomosundeassPub: CRITICAL REFLEX
Windows
COMPLEX SKY is a futuristic city building game with a unique architecture system - build the city both ways, up and down! The world is devastated by pollution, and it’s up to you to create a fully self-sustainable city in the skies, and populate it with human settlers.
Why similar: Automation 17.8%, Economy 12.1%, Building 11.2%, Base Building 10.8%, Space 10%
- #43 Star Birds
69% matchVery Positive92% of 2,975 reviews2025
Dev: Toukana Interactive
Windows · Mac
Median: 1.2 hrsMean: 3.7 hrs≥1hr: 56%
Star Birds is a chill factory building and resource management game. Mine asteroids and create brain-twisting production networks. Level by level, you guide your feathered crew to new interstellar horizons!
Why similar: Automation 19.6%, Science 18.5%, Base Building 13.8%, Building 12.3%, Space 9.2%
- #44 Starship Factory
71% matchNo user reviews
Dev: BumbleRat Games
Windows · Mac
Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.
Why similar: Space Sim 33.9%, Automation 9.6%, Futuristic 8.3%, Logic 7.9%, Simulation 7.8%
- #45 Spaceflight Simulator 2
70% matchNo user reviews
Dev: Team Curiosity ✦
Windows · Mac
Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.
Why similar: Space Sim 36.4%, Science 18.3%, Space 10.3%, Building 10.1%, Simulation 7.2%
- #46 Starvector
70% matchNo user reviews
Dev: Justus BlairPub: Octopus Inc. Studios
Windows
Eat a snack while you watch an entire planet burn in your image.
Why similar: Space Sim 22%, Automation 19%, Building 11.9%, Space 10%, Base Building 9.8%
- #47 Strata
69% matchNo user reviews
Dev: SMGAMES
Windows
Strata is a scientifically inspired astro-planetary sandbox where you influence the formation and evolution of entire worlds — your worlds. Discover, gather, and build on the surfaces of diverse planets, explore them in depth, and manage your systems beyond the orbital levels.
Why similar: Science 21.9%, Space Sim 16.7%, Building 14.5%, Space 12.4%, Base Building 9%
- #48 Rocket Science
71% matchVery Positive81% of 174 reviews2020
Dev: unbeGames
Windows
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
Why similar: Space Sim 26.7%, Science 23.7%, Building 12.7%, Space 12.4%, Exploration 6.1%
- #49 Bouncekraft
69% matchNo user reviews
Dev: Sinister Plots Games
Windows · Mac
A physics-driven automation game where your workers bounce between buildings like pinballs. Design bounce paths, build production chains, and survive asteroid waves.
Why similar: Space Sim 25.8%, Base Building 16.5%, Automation 15.1%, Simulation 8.3%, Building 8.3%
- #50 Helium Rain
70% matchMostly Positive79% of 336 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 9.5 hrs≥1hr: 73%
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Why similar: Space Sim 50.2%, Space 19.4%, Simulation 9.5%, Economy 7.2%, Exploration 6.2%
- #51 Space
68% matchNo user reviews
Dev: Neila Games
Windows
Stranded on a hostile alien world, you must gather resources, craft tools, and automate production to survive. Build a base, fend off deadly wildlife, and uncover ancient secrets in this immersive sci-fi survival adventure. Will you conquer the planet or succumb to its perils?
Why similar: Space Sim 24.9%, Automation 17%, Base Building 11.8%, Space 11.5%, Building 11.3%
- #52 Lunar Impact
67% matchNo user reviews
Dev: Artem Rumyantsev
Windows
Go to the Moon to explore its harsh nature and mysterious anomalies. Build your own lunar base, craft equipment, extract valuable resources and make many discoveries. Overcome the challenges of extreme lunar conditions, an oxygen-free atmosphere and much more unknown...
Why similar: Space Sim 23.6%, Science 16%, Building 12.6%, Base Building 11.7%, Crafting 10.6%
- #53 Soda Story - Brewing Tycoon
68% matchVery Positive91% of 66 reviews2022
Dev: Upper Class Walrus
Windows
Take on the challenge of running a Soda brewing operation, all while participating in the current season of the hit reality TV show “Prisoneers.” Will you win your freedom?
Why similar: Automation 24.6%, Economy 17.6%, Building 16.7%, Base Building 13.7%, Crafting 11.7%
- #54 Kerbal Space Program
68% matchOverwhelmingly Positive96% of 144,009 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.0 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: Space Sim 28.7%, Science 25.9%, Space 19%, Building 10.6%, Simulation 7.6%
- #55 Dustdrive: The Lightspeed Project
67% matchNo user reviews
Dev: Tavernpunk Games
Windows · Mac · Linux
A minimalist factory puzzle game about reaching the speed of light. Build an experimental engine that runs off galactic dust to accelerate your ship to impossible speeds. Match dust signatures carefully and manage your energy to avoid Rapid Unscheduled Disassembly!
Why similar: Science 32.3%, Automation 21.9%, Space 15.9%, Crafting 14.5%, Simulation 6.5%
- #56 Meco Rocket Simulator
66% matchPositive81% of 16 reviews2025
Dev: Dannie Sim
Windows · Mac
Design real rocket engines with real physics, no black boxes. You're an underpaid engineer at Mecodyne, building engines that fire only if they'd work for real, without regard for your safety. A serious engineering sim that teaches by doing. Built solo.
Why similar: Space Sim 27%, Science 21.7%, Automation 15.1%, Building 9.9%, Space 9.8%
- #57 Celestia
65% matchPositive93% of 15 reviews2026
Dev: Celestia Development Team
Windows
A real-time 3D space simulator and interactive planetarium. Travel to any planet, moon, star, or galaxy and view it from any point in space and time. Accelerate time, land on alien worlds, and expand the universe with community-made add-ons.
Why similar: Space Sim 41.8%, Science 22.8%, Simulation 12.9%, Space 9.7%, Exploration 7.8%
- #58 Huntian: StarTrace
67% matchNo user reviews2026
Dev: INSIGNE
Windows
Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.
Why similar: Space Sim 28.2%, Space 15%, Automation 14.7%, Base Building 10.7%, Crafting 9.2%