- #1 Nebulis Entity
97% match6 user reviews100% of 6 reviews2026
Dev: FOUFY SOFTWARE
Windows
Nebulis Entity is a first person spaceship crew simulator, with support for online co-op. Maintain your vessel, track down and decode alien signals, and venture as far as you can - while doing your best to prevent your ship from falling apart around you.
Why similar: Space Sim 34.6%, Simulation 12.9%, Space 12.3%, Exploration 10.2%, Survival 8.5%
- #2 Space Mechanics: repair | hiring | crafting
96% matchPositive91% of 11 reviews2025
Dev: MintCat
Windows
In "Space Mechanics: Repair | Hiring | Craft" you are the owner of a space repair station in which you have to work. Repair spaceships, get money for it, hire them and create items for sale or for your own purposes.
Why similar: Space Sim 44.5%, Simulation 14.8%, Space 10.2%, First-Person 8.4%, Crafting 6.2%
- #3 Null Hørizøn
96% matchPositive87% of 30 reviews2026
Dev: HopefullyHeroic
Windows
Survive the void in Null Hørizøn. Trade, fight, and explore a retro-futuristic 3D galaxy with 2D sprites. Upgrade your ship, smuggle goods, and travel across the universe. Tactical Real-Time combat meets Grid-based exploration in this atmospheric space sim. The Null Hørizøn calls, Captain.
Why similar: Space Sim 39.6%, Simulation 15.1%, Exploration 7.2%, Space 7%, Inventory Management 6.2%
- #4 Rogue System
95% matchMixed67% of 275 reviews2022
Dev: Digits Crossed Interactive, LLCPub: Image Space Incorporated
Windows
Our goal is to depict the possibilities of space exploration & combat within a realistic environment- to emphasize the "science" in science-fiction. Key features to include: proper orbital mechanics for all objects in space, detailed ship system control, functionality, inter-dependency & damage reaction.
Why similar: Space Sim 63%, Simulation 27.1%, Space 9.9%
- #5 Baryum
94% match2 user reviews0% of 2 reviews2026
Dev: Dams-Labs
Windows
A first-person space sim set in the real solar system at true scale, with every planet where it actually is today. Dock at the ISS, take contracts, survey planets, mine moons, haul cargo and fight pirates across genuine interplanetary distances as you rise from cadet to major.
Why similar: Space Sim 47.9%, Simulation 14.4%, Space 12.2%, Exploration 7.8%, Inventory Management 5.7%
- #6 RESBS
93% matchNo user reviews
Dev: RESB
Windows
RESBS is a first-person space survival simulation where you and your friends cooperate to survive in zero gravity on a space station!
Why similar: Space Sim 35.5%, Simulation 13.6%, Space 12.3%, Exploration 10.3%, Survival 8.6%
- #7 Tachyon: The Fringe
94% matchVery Positive89% of 249 reviews2009
Dev: NovaLogic
Windows
Median: 24 minMean: 4.5 hrs≥1hr: 36%
Caught in the middle of a violent conflict on the fringe of the galaxy — your ability to survive will depend on your piloting skills and combat savvy as a mercenary space fighter. But, as you explore the vastly detailed world of Tachyon: The Fringe, you will often find that the most powerful weapon on your ship is in your head.
Why similar: Space Sim 55.9%, Simulation 30.3%, Space 13.8%
- #8 SurviRail: Deep Space
92% matchNo user reviews
Dev: AstroGlitchStudioPub: RockGame S.A.
Windows
SurviRail is a game about exploration and managing your own space train. Expand your train cars, upgrade your engines, collect resources, and discover new locations in the unknown space.
Why similar: Space Sim 39.9%, Simulation 12.7%, Inventory Management 8.4%, Space 8.3%, Crafting 8.2%
- #9 Space Zone
91% match4 user reviews50% of 4 reviews2024
Dev: Astroviz
Windows
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Space Sim 51.4%, Simulation 26.9%, Space 11.2%, Exploration 10%, Singleplayer 0.4%
- #10 FSX SpacePort
91% matchNo user reviews
Dev: TerraBuilder
Windows
Spaceflight add-on for Microsoft Flight Simulator X
Why similar: Space Sim 46.4%, Simulation 38%, Space 15.6%
- #11 Super Starship
90% matchPositive91% of 11 reviews2026
Dev: Les Bird
Windows · Mac
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 50.3%, Simulation 24.8%, Exploration 9.9%, Space 7.7%, 3D 6%
- #12 Galduen of the Void
89% match9 user reviews67% of 9 reviews2025
Dev: AzurDevPub: Azurdev
Windows · Linux
A fantasy space agency management game! Manage your team, design your space ship and research new technology! Reach moons, planets and the void beyond. Can you reach the void? Can you bring Galduen to the void?
Why similar: Space Sim 43.5%, Space 13.6%, Management 13.1%, Exploration 11.3%, Simulation 11.2%
- #13 Lone Voyage
89% match2 user reviews100% of 2 reviews2026
Dev: Ethan C (CMD_NU11)
Windows
You are the last living organism in the galaxy. Adrift and alone in a cold dark world you must scavenge for resources to keep your ship running, and arm your ship to prepare for the swarms arrival.
Why similar: Space Sim 32%, Space 13.8%, Crafting 13.7%, Simulation 12.5%, Exploration 11.5%
- #14 REAL MOON
88% matchMixed68% of 116 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 51.9%, Simulation 24.6%, Space 12.4%, Exploration 10.6%, Singleplayer 0.5%
- #15 Space Crawlers
86% matchNo user reviews2027
Dev: Anderian
Windows · Linux
Clear out space battlefields using a physics-based grappling hook. Salvage wreckage, recycle it into resources, upgrade your equipment, and grow your salvage business to unlock increasingly lucrative contracts.
Why similar: Space Sim 36.8%, Simulation 19.8%, Space 12.1%, Crafting 7.4%, Co-op 5.3%
- #16 Space Query
86% match2 user reviews100% of 2 reviews2024
Dev: Space Query team
Windows
This simulation software brings the solar system to your fingertips, allowing you to explore the orbits of planets and witness the fascinating effects of introducing new cosmic objects like asteroids, extra suns, or even a black hole.
Why similar: Space Sim 50.3%, Simulation 25.8%, Exploration 9%, Space 8.9%, 3D 5.5%
- #17 Space Simulator
87% matchMostly Negative37% of 163 reviews2018
Dev: Stuka Games IncPub: Brixton Dynamics Ltd
Windows
Realistic simulation of spaceflight in a full sized Solar System, with all the planets and their major moons. using real forces, distances, velocities and time. Chapter 1: The Apollo Days. Incredibly detailed Apollo Program missions starting with Apollo 8 lunar orbit missions.
Why similar: Space Sim 44.9%, Simulation 35.7%, Space 19.4%
- #18 Suborbital
85% matchPositive90% of 10 reviews2024
Dev: Pat Traynor
Windows
A sci-fi survival game with a twist. Set in a sub-orbit of a black hole, collect materials and scavenge wrecks in order to repair your damaged ship. However, time is not on your side.
Why similar: Space Sim 42.7%, Space 10.1%, Survival 9.6%, Crafting 9%, Exploration 8.2%
- #19 Trenite Engineer
84% matchNo user reviews
Dev: Gryzly22
Windows
You don't pilot the ship-you run it. Manage power, fuel, gravity, life support and other systems, repair failures and engineer your way through a hostile solar system.
Why similar: Space Sim 37.1%, Simulation 13.4%, Management 9.4%, Crafting 8.8%, Space 8.2%
- #20 Spin To Breathe
84% matchNo user reviews2026
Dev: Spaghetti Cat
Windows
Pay for air to stay alive! Spin the reels to the sound of explosions while space pirates raid your casino. Build your slot machine piece by piece and hold out until rescue arrives!
Why similar: Space Sim 46.3%, Simulation 22.6%, Space 8.2%, First-Person 7.5%, Crafting 6.6%
- #21 Project Klorp
83% matchNo user reviews
Dev: Static Drift
Windows
Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.
Why similar: Space Sim 44.1%, Simulation 23.4%, Space 13.6%, Crafting 8.7%, Exploration 6.6%
- #22 Main Sequence
82% 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 38.4%, Simulation 10.8%, Space 9.5%, Crafting 8.8%, First-Person 7.1%
- #23 Join The Space Exploration Fleet!
81% matchNo user reviews
Dev: Phuntasy Productions
Windows
This is a single player game. You play a rebooted android in a broken shuttle. You need to fly the ship, keep the energy systems functional, mine some fuel from asteroids and feed the FTL drive with energy.
Why similar: Space Sim 45.9%, Simulation 14.8%, Exploration 10.4%, Resource Management 7.7%, Survival 7%
- #24 History of Space
82% match4 user reviews25% of 4 reviews2023
Dev: 5 Games
Windows
History of Space is an immersive and educational game that allows players to explore a virtual space history museum, delving into the captivating history of space exploration.
Why similar: Space Sim 46.8%, Simulation 24.2%, Exploration 9.2%, First-Person 6.8%, Space 5.3%
- #25 Astral Shipwright
81% matchMixed63% of 35 reviews2022
Dev: Deimos Games
Windows · Linux
Build and upgrade your personal ship to travel around a strange planet.
Why similar: Space Sim 43.8%, Simulation 21.2%, Space 11.5%, Crafting 9.8%, Management 6.4%
- #26 Kepler Project
79% 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 47.1%, Simulation 21.3%, Space 16.9%, Exploration 10.8%, 3D 3.4%
- #27 Helium Rain
80% matchMostly Positive79% of 340 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 9.4 hrs≥1hr: 74%
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 57.4%, Simulation 17.6%, Space 16%, Exploration 7.2%, Indie 1.7%
- #28 AstroTanto
77% matchNo user reviews
Dev: TheoryStudios
Windows
You were promised a hero’s journey. You got a vacuum cleaner. Team up with 3 friends in this chaotic, physics-based co-op game. Build your space station out of "recycled" trash, dodge orbital debris, and try not to burn up in the atmosphere. In space, no one can hear you clean.
Why similar: Space Sim 46.8%, Simulation 22.9%, First-Person 8.1%, Space 7.9%, 3D 6.2%
- #29 Foreign Galaxies
78% matchMostly Positive77% of 13 reviews2022
Dev: Vengeful Muffin
Windows
After a galactic portal failure you find yourself lost millions of light years away from home, in a foreign galaxy... With your main propulsion systems disabled you are unable to traverse space, so you try to collect resources you find near you in order to create a galactic portal to return back.
Why similar: Space Sim 43.5%, Simulation 23.6%, Space 8.6%, Exploration 8.3%, First-Person 6.6%
- #30 Capsule
77% matchNo user reviews
Dev: CottonCastle Games
Windows
Capsule is a co-op survival and building game set in space. Build your modular spaceship, land on planets, gather resources, and try to survive together with your friends against the dangers of space while uncovering the truth behind the destruction of your world.
Why similar: Space Sim 29.3%, Crafting 14.1%, Simulation 13.1%, Inventory Management 12.7%, Exploration 8.5%
- #31 SPACE SEX SHOP
76% match4 user reviews25% of 4 reviews2025
Dev: Lust Zone Studio
Windows
SPACE SEX SHOP is an 18+ store simulator where you have to open the first adult store in space 🚀✨. Manage your inventory, study demand among different alien races 👽🤖, develop your station, and step by step turn a small trading module into a galactic empire 👑.
Why similar: Space Sim 46.8%, Simulation 23.1%, Space 8.8%, First-Person 7.6%, Management 7.5%
- #32 A Hole In Space
78% matchPositive80% of 29 reviews2021
Dev: Clever AIPub: Hoi 4 ED
Windows · Mac
A "small" universe simulation, where you play as a black hole and try to absorb the whole universe. You decide the size and shape of the universe. Could also be used as a less meaningful CPU benchmark.
Why similar: Space Sim 57.8%, Simulation 22.1%, Space 14.6%, 3D 3.9%, Indie 1.3%
- #33 Deep Claims
76% matchNo user reviews2026
Dev: Promination Studios
Windows
Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?
Why similar: Space Sim 33.4%, Simulation 14.4%, Crafting 14.3%, Management 13.3%, Exploration 12.1%
- #34 Wayward Cosmos
75% matchNo user reviews
Dev: Exploratory Game StudiosPub: AlchemicMage
Windows · Linux
Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.
Why similar: Space Sim 50.5%, Simulation 18.6%, Exploration 9.6%, Management 8.3%, Space 5.8%
- #35 Space Elevator Project
75% 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 48.5%, Simulation 26.3%, Space 9.5%, Exploration 9.5%, 3D 5.8%
- #36 Project Substrata
74% matchNo user reviews2027
Dev: Studio Substrata
Windows
Dig, build, connect—and watch your factory come to life. Shape the terrain, link mining and production lines, and manage power in a first-person base-building and automation game. Restoring a ruined planet is our long-term development goal.
Why similar: Space Sim 40.9%, Simulation 19%, Crafting 11.9%, Space 7.4%, Exploration 6.1%
- #37 Space Depot
74% match1 user reviews0% of 1 reviews2025
Dev: Zenventorymgmt
Windows
A fast paced cooperative game where hippos run a growing space depot. Race against the clock to Scan, inspect, and ship the right materials using drones. Try to keep up. Other hipponauts such as yourself are relying on you.
Why similar: Space Sim 42.7%, Simulation 21.8%, Space 13.1%, Management 10.6%, Inventory Management 10.5%
- #38 Orbit One
72% match4 user reviews75% of 4 reviews2026
Dev: Specific Impulse Interactive
Windows
Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.
Why similar: Space Sim 53.5%, Simulation 27.4%, Space 13%, 3D 4.7%, Indie 1%
- #39 Space Gas Station Simulator
73% matchNo user reviews
Dev: Baker Game Forge
Windows
Run Your Own Galactic Fuel Station! Restore an abandoned station, refuel starships, and grow your intergalactic business! Extract fuel, sell rare goods, and repair ships to keep customers happy. Expand your station, automate operations, and become the galaxy's most popular fueling hub!
Why similar: Space Sim 45.4%, Simulation 16%, Exploration 9.4%, Space 8.3%, First-Person 8.1%
- #40 Galaversal Supremacy
73% matchNo user reviews
Dev: Sednari
Windows
Choose your own adventure in this open-world humanity expansion space simulation. Travel beyond the constellations to new frontiers. Explore, collect resources, supply the expansion efforts, or go battle it out spaceshooter style. Do we seek Galaversal Supremacy or peace? You decide !
Why similar: Space Sim 30.7%, Crafting 12.8%, Simulation 10.1%, Space 8.4%, Survival 8%
- #41 Astrometica
71% matchVery Positive82% of 3,211 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.1 hrsMean: 19.3 hrs≥1hr: 72%
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 Sim 42.2%, Crafting 11.8%, Space 9.7%, Survival 8.6%, First-Person 7.9%
- #42 VOID PROFIT
72% matchNo user reviews2026
Dev: Corvid Food
Windows
Fly a rented corporate vessel in a procedurally-generated universe, navigate risky routes, profit from changing markets before the opportunity disappears and you lose it all. Take jobs, navigate the markets, smuggle, lie. Do everything in order to keep flying.
Why similar: Space Sim 54.9%, Simulation 25.8%, Space 7.1%, Inventory Management 6%, Management 3%
- #43 Solbound
71% matchNo user reviews2026
Dev: Fleur Noire
Windows
Fight, salvage and trade across the moons and rings of a solar system nobody can leave. Take what you can carry. Read what the dead left behind. Everything you do is remembered.
Why similar: Space Sim 47.8%, Simulation 23.8%, Space 11.9%, Exploration 9.5%, First-Person 3.7%
- #44 Space Cooking Simulator
71% matchNo user reviews2026
Dev: CAP STD
Windows
Run your own space restaurant as an astronaut chef. Cook burgers, hot dogs, wraps, and fries, serve aliens and astronauts, hire robot assistants, unlock new equipment, and grow your small kitchen into a thriving galactic culinary empire.
Why similar: Space Sim 31.4%, Cooking 17.3%, Crafting 12.7%, Space 10.5%, Management 8.8%
- #45 INTERASTRA: Planet Survival
73% matchMixed53% of 43 reviews2022
Dev: T-Bull
Windows
INTERASTRA is a fully immersive first-person sci-fi survival adventure game set in outer space. Discover unknown planets differing in weather conditions, resources, and various mysteries. Craft necessary equipment, launch, and control space rockets, explore the universe, and survive among the stars.
Why similar: Space Sim 34%, Crafting 10.3%, Inventory Management 10.2%, Space 9.4%, Simulation 7.4%
- #46 Elon
70% 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 41.3%, Simulation 14.3%, Crafting 10.2%, Exploration 8.6%, Management 7.1%
- #47 Patched Conic
70% matchNo user reviews
Dev: Perilune Games
Windows · Mac · Linux
Fly real astrodynamics from an Apollo-era DSKY. Plan Lambert transfers, mine asteroids, build a fleet, and survive a 38-body solar system where every trajectory is solved from Kepler's equation. No autopilot, no cheating.
Why similar: Space Sim 47.9%, Simulation 22.7%, Exploration 9.5%, Space 7.7%, Survival 5.3%
- #48 Space Manager
70% matchNo user reviews2026
Dev: Trophy Games
Windows
Take on realistic space missions, manage your economy, and explore the solar system. Build and expand your space center on Earth, accept contracts, and launch satellites into orbit. Research, adapt and collect valuable scientific data to commence your growing aerospace empire.
Why similar: Space Sim 46.3%, Simulation 16.8%, Management 11.1%, Space 8.7%, Exploration 5.8%
- #49 Void Crew
67% matchVery Positive86% of 8,473 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.2 hrsMean: 16.8 hrs≥1hr: 94%
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Why similar: Space Sim 43.5%, Simulation 9.2%, Space 8.8%, Co-op 6.9%, First-Person 6.4%
- #50 Help Is On The Way
68% matchPositive93% of 27 reviews2026
Dev: Vancouver Film School
Windows
Guide a coworker through a hostile mining facility using a malfunctioning security terminal. Finish the day’s jobs, avoid a deadly alien, and survive long enough for the escape pod to launch.
Why similar: Space Sim 50.5%, Simulation 27.7%, Management 8.3%, First-Person 7%, 3D 6.1%
- #51 Involved
69% matchNo user reviews
Dev: GTWO GAMES
Windows
Build spaceships block by block, lift off, mine, trade and explore a procedural low-poly solar system — alone or with friends. Crash, rebuild, repeat. Now with optional PvP: turrets, shields, missiles and raids.
Why similar: Space Sim 38.2%, Simulation 16.9%, Crafting 9.4%, Exploration 7.8%, 3D 7.2%
- #52 Warp Gate Galactic
69% matchNo user reviews
Dev: Ben Wesorick
Windows
Validate credentials, provide travel, and catch baddies while maintaining your warp gate station on the dangerous fringe of the galaxy.
Why similar: Space Sim 34.3%, Simulation 13.2%, Space 12.1%, Crafting 9.8%, First-Person 8.5%
- #53 AESOS
68% matchNo user reviews
Dev: SF Factory
Windows
Lead a spaceyard: juggle contracts, design, prototype, and build all types of ships—from single-seat fighters to giant cruisers. Create custom vessels to meet precise client specs, then take the helm yourself to prove their worth.
Why similar: Space Sim 41.7%, Simulation 18%, Space 13.8%, Crafting 10%, Management 6%
- #54 Cosmic Fugue
68% matchNo user reviews
Dev: CosmicAtomGames
Windows · Linux
A space exploration and crafting game set in a fully simulated N-body small scale solar system, where you build space infrastructure to progress and figure out the misteries of the cosmos.
Why similar: Space Sim 38.7%, Simulation 18.9%, Crafting 13.7%, First-Person 10.6%, Exploration 9.9%
- #55 FUTURETECH SPACE COMBAT ACADEMY
67% matchNo user reviews
Dev: POLYFOUNTAIN MEDIA LLC
Windows
Will you make the grade and save the planet? Become a cadet on your first day of training in this 3rd person space combat simulator.
Why similar: Space Sim 44.7%, Simulation 41.2%, Space 14.1%
- #56 Space Sim Tycoon
66% 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 43.7%, Simulation 23.9%, Management 8.5%, Space 8.3%, 3D 5.8%
- #57 AstroNOTs
69% match3 user reviews100% of 3 reviews2022
Dev: Archor WrightPub: Archor Games
Windows
Evil A.I. Space Bots are attacking Earth, You and Your team of Good A.I. Bots must stop them !
Why similar: Space Sim 53%, Simulation 27.7%, Space 12.3%, 3D 6.6%, Singleplayer 0.4%
- #58 Piperspace
67% matchNo user reviews2026
Dev: Tom Mason - wheybagsPub: Ben Buckton
Windows
A first person building game where every problem is solved with pipes.
Why similar: Space Sim 47.3%, Simulation 17.4%, Exploration 9.4%, Crafting 6.6%, First-Person 6.2%
- #59 Celestia
65% matchPositive81% of 21 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 50.1%, Simulation 25%, Exploration 9.9%, Space 8.6%, 3D 6.1%