- #1 Liquid Space
97% match9 user reviews78% of 9 reviews2019
Dev: VRX
Windows
Liquid Space lets you interact with ultra-realistic liquids in zero gravity on the international space station.
Why similar: Simulation 29%, Space Sim 27.9% ★, Casual 16.8%, VR 16.1%, Space 10.2%
- #2 WebbVR: The James Webb Space Telescope Virtual Experience
96% matchVery Positive90% of 70 reviews2018
Dev: Space Telescope Science Institute
Windows
Join the James Webb Space Telescope in orbit beyond the Moon and explore the universe from its perspective. Planetary systems are born, galaxies form, and stars emerge from within colorful nebulas—all before your eyes.
Why similar: Space Sim 27.7% ★, Simulation 23.2%, VR 21.9%, Casual 13.9%, Space 8.5%
- #3 Kepler Project
96% 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 40.7% ★, Simulation 19.4%, Science 16.5% ★, Space 15.5%, Physics 4.7%
- #4 The Universe of Red Hope
95% matchNo user reviews
Dev: Shelby County Video Game DevelopmentPub: Mathematics Firms of Memphis
Windows
A classic fantasy MMORPG powered by uMMORPG—discover dungeons, fight powerful creatures, forge rare equipment, and shape a living world alongside hundreds of players.
Why similar: Space Sim 37.6% ★, Science 23.7% ★, Simulation 12.9%, Space 10.5%, First-Person 7.9%
- #5 Rogue System
94% matchMixed67% of 274 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 61.7% ★, Simulation 28%, Space 10.3%
- #6 Tachyon: The Fringe
94% matchVery Positive89% of 244 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 54.6% ★, Simulation 31.2%, Space 14.3%
- #7 Artemis VR
93% matchNo user reviews2026
Dev: Vritics
Windows
As an Artemis astronaut, face the challenges of space flight in the newest manned system that will take humanity back to the Moon thanks to NASA resources and consultation in terms of Artemis MIssions. Manage the mission using VR glasses.
Why similar: Space Sim 41.5% ★, VR 18.3%, Simulation 12.5%, Space 12.2%, First-Person 6.1%
- #8 X Rebirth VR Edition
92% matchMixed56% of 300 reviews2017
Dev: Egosoft
Windows
Median: 2.2 hrsMean: 9.4 hrs≥1hr: 72%
X Rebirth VR Edition is tailored to be an immersive VR experience, based on X Rebirth: Home of Light. TRADE, FIGHT, BUILD, THINK in the X Universe - the biggest sandbox this side of the galaxy.
Why similar: Space Sim 48.2% ★, VR 25%, Simulation 20.8%, Space 6%
- #9 The Earth Sucks
91% matchNo user reviews
Dev: Insert Developer NamePub: Great North Gorilla
Windows
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 45.8% ★, Simulation 27.2%, Space 11.6%, Physics 10.4%, Casual 5.1%
- #10 HOME: Our Journey
91% match6 user reviews83% of 6 reviews2019
Dev: Kavan BahramiPub: Conscious Creatures
Windows
Explore the Solar System! Stand next to the Sun and gain perspective for the true vastness of space beyond our home planet. You're in control of this virtual orrery. Fast-forward and rewind time itself as you highlight planetary orbits and discover a bit more about your nearest celestial neighbors.
Why similar: Simulation 40.3%, Space Sim 38.9% ★, VR 20.8%
- #11 Space Crash Simulator
89% match7 user reviews86% of 7 reviews2025
Dev: WPC
Windows · Mac
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 46.8% ★, Simulation 14.2%, Space 12.5%, Casual 8.5%, Physics 8%
- #12 FSX SpacePort
90% matchNo user reviews
Dev: TerraBuilder
Windows
Spaceflight add-on for Microsoft Flight Simulator X
Why similar: Space Sim 45.1% ★, Simulation 38.9%, Space 16%
- #13 Solar Lander
89% match4 user reviews100% of 4 reviews2017
Dev: TChapman500
Windows · Linux
Fly an Apollo-style lander around various planets, landing to earn points and then redocking with the command module to advance to the next level.
Why similar: Simulation 34.5%, Space Sim 34.4% ★, Casual 20.6%, Space 10.5%
- #14 Leaving the formation
88% matchNo user reviews
Dev: D&A
Windows
Leaving the formation is a story-driven sci-fi combat simulation based on honest Newtonian flight physics.
Why similar: Space Sim 46.3% ★, Simulation 18.4%, VR 13.6%, Space 12.4%, First-Person 5.7%
- #15 Rogue Stargun
87% match7 user reviews86% of 7 reviews2024
Dev: Du Games
Windows
Rogue Stargun is an action-packed space combat sim where you pilot 5 unique starfighters with interactive VR cockpits in a story-driven single player campaign consisting of over 24 unique missions covering both land and space.
Why similar: Space Sim 43.3% ★, VR 20.5%, Simulation 19.2%, Space 8.9%, Physics 4.1%
- #16 A Hole In Space
86% matchPositive82% of 28 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 53.7% ★, Simulation 21.7%, Space 14.4%, Physics 6.4%, 3D 3.9%
- #17 Beyond The Cupola: ISS Simulator
86% matchNo user reviews
Dev: Zhurbyte
Windows · Linux
You are the ISS crew, where the station's fate depends on everyone. Oxygen leaks, system failures, meteorite threats — repair with your own hands and make real-time decisions. Complete missions, perform spacewalks. Experience life in orbit: in space, nothing goes according to plan.
Why similar: Space Sim 40% ★, Simulation 17.2%, Science 14.8% ★, Space 7.7%, First-Person 7.2%
- #18 House of the Dying Sun
84% matchVery Positive90% of 2,001 reviews2016
Dev: Marauder Interactive, LLC
Windows
Median: 1.0 hrsMean: 2.6 hrs≥1hr: 50%
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Why similar: Space Sim 47.1% ★, VR 18.6%, Simulation 16.2%, Space 14.6%, First-Person 3.5%
- #19 Space Simulator
85% matchMostly Negative36% of 162 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 43.6% ★, Simulation 36.5%, Space 19.9%
- #20 Search
84% 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 37.8% ★, Science 21.6% ★, Simulation 18.6%, Space 13.9%, Physics 5.7%
- #21 VR-太阳系
83% matchMostly Positive77% of 13 reviews2023
Dev: 001
Windows
Welcome to this exciting gaming world, where you will transform into a true space explorer and embark on a magnificent journey of exploring the wonders of the universe!
Why similar: Space Sim 46.9% ★, Simulation 16.3%, Casual 14.8%, VR 10.4%, Space 7%
- #22 Launch Director
82% matchMostly Positive79% of 14 reviews2023
Dev: TiJayFLY
Windows
A walking simulator where you can launch rockets! Become the Launch Director for a commercial space transportation company. Can you configure these reusable rockets for a successful launch, ascent and landing?
Why similar: Space Sim 33.2% ★, Science 24.9% ★, Space 11.2%, Physics 7.5%, Simulation 7.2%
- #23 Galactic Center VR
82% matchMostly Positive75% of 16 reviews2020
Dev: Instituto de Astrofísica, PUC de Chile
Windows
Explore the center of the Milky Way like never before!
Why similar: Simulation 46.5%, Casual 27.8%, Space Sim 9.5% ★, Science 6.3% ★, VR 4.9%
- #24 Space Elevator Project
81% 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 45.9% ★, Simulation 26.2%, Space 9.6%, Base Building 7.9%, 3D 6%
- #25 Rover Simulator
81% match4 user reviews100% of 4 reviews2021
Dev: Matt SchostekPub: Demigod Studios
Windows
Rover Simulator allows you to experience the cosmos through the lens of a Rover. Explore celestial bodies across the galaxy in the pursuit of evidence pointing to signs of life as well as gaining a broader understanding of the universe to pave the way for colonization beyond the Earth.
Why similar: Space Sim 43.8% ★, Simulation 21.3%, Science 14.5% ★, First-Person 6.5%, Space 5.8%
- #26 Foreign Galaxies
79% 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 41.9% ★, Simulation 23.9%, Casual 13.7%, Space 8.7%, First-Person 6.7%
- #27 SpaceJourney VR
80% match5 user reviews60% of 5 reviews2017
Dev: GEESCAN
Windows
This game is Design by Geescan Technology Company, it is a all new design VR game which contains puzzle,adventure and collection element. The game tells a story about the stars to save. In the future one day, many stars in the universe is the big devil to steal the energy, And become dim, no life, and as a righteous you will represent...
Why similar: Space Sim 40.9% ★, Simulation 25.3%, VR 21.4%, Space 12.5%
- #28 Space Mechanics: repair | hiring | crafting
78% 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 48.5% ★, Simulation 17%, Space 11.7%, First-Person 9.6%, 3D 7.2%
- #29 MOVING WITH THE MOON: Mastering Universal Gravitation!
79% matchNo user reviews2026
Dev: Wada System Limited
Windows
This is a new action game where you steer the earth. Steer the Earth, when both the Earth and the Moon are in the goal zone, the stage is cleared. Stars are constantly pulling on each other with universal gravitation. You can experience a simulated universal gravitation.
Why similar: Space Sim 38.1% ★, Science 27.4% ★, Casual 14.8%, Space 13.6%, Physics 6.1%
- #30 Lunaris
78% matchNo user reviews
Dev: Project Lunaris
Windows
Embark on humanity’s greatest journey to the Moon with Lunaris. Take on the role of an astronaut navigating NASA’s Apollo missions, from the roaring launch of Saturn V to stepping on the lunar surface. Experience the triumphs, challenges, and legacy of space exploration in this immersive simulator.
Why similar: Space Sim 43.9% ★, Simulation 25.6%, Casual 9.1%, First-Person 6.9%, Space 6.3%
- #31 3D Solar System Simulator
77% match5 user reviews80% of 5 reviews2022
Dev: Rob MoorePub: NARP
Windows
This is a simulation based upon real physics. Its specifically for use with 3D headsets such as the HTC Vive and Oculus quest. It gives you a 3D perspective of how gravity works and interacts on all the bodies in a solar system. You can experiment with creating your own solar system.
Why similar: Space Sim 40.7% ★, Simulation 22.8%, Science 18.9% ★, 3D 6%, Space 5.9%
- #32 Space Query
77% 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 50.9% ★, Simulation 27.5%, Space 9.6%, 3D 6%, Physics 6%
- #33 History of Space
76% 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 46.6% ★, Simulation 25.4%, Casual 9.7%, First-Person 7.2%, Space 5.6%
- #34 Vast Haven-1 VR
74% matchMixed48% of 26 reviews2025
Dev: Spinifex GroupPub: Vast Space, LLC
Windows
Step into Haven-1, the world's first commercial space station. Unlock its hatch to navigate through the interior of the station, where you can interact with the storage area, the crew quarters, the Haven-1 Lab, and a stunning, 180-degree view of Earth.
Why similar: Space Sim 50.9% ★, Casual 16%, Space 12.4%, VR 12%, Simulation 8.7%
- #35 Course Correction
75% matchNo user reviews
Dev: House 13 Games
Windows
Realistic space flight simulator.
Why similar: Space Sim 34.7% ★, Science 17.3% ★, Simulation 13.9%, VR 13.5%, Space 11.4%
- #36 Space Coaster VR
76% matchNo user reviews2023
Dev: Ryan Bissonnette
Windows
Jump into hyper speed and hold tight as you experience this galactic ride. Mars, Venus, Earth, the Stars and much more as you dive deeper into space. Remember the galaxy is vast and your journey starts here.
Why similar: Space Sim 42% ★, Simulation 16.6%, VR 16.3%, Space 13.9%, Casual 11.3%
- #37 Galactic Pit Stop Simulator
75% matchNo user reviews
Dev: Denzee Games
Windows
Galactic Pit Stop Simulator is a cooperative space management game for 1–4 players. Run a fuel station in deep space, trade goods in your market and hangar, and refuel incoming ships while working together to keep the station thriving.
Why similar: Space Sim 46% ★, Simulation 23.2%, First-Person 8.7%, Space 8.4%, 3D 6.6%
- #38 SCALEPLANET
74% matchMixed63% of 27 reviews2022
Dev: Scale Studio
Windows
Somewhere in the third dimension there lives an alien Joe. He can't sit still. He constantly travels and explores the world and galaxies. This time he came across a new planet.
Why similar: Space Sim 47.3% ★, Simulation 25.7%, Casual 18%, Space 8.9%
- #39 Galaxy Engine
73% matchPositive92% of 13 reviews2025
Dev: Narcis Calin
Windows · Linux
Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!
Why similar: Space Sim 39.1% ★, Simulation 26.5%, Space 14.5%, Casual 10.6%, Physics 9.4%
- #40 Astro VR
72% matchPositive100% of 20 reviews2024
Dev: Light-Year Simulations, LLC
Windows
Freely travel among the stars and planets in this made for VR astronomy simulation. Experience space from some of the smallest solar system bodies to our largest planets. Or leave the solar system to explore strange new worlds orbiting stars so distant it takes light thousands of years to get here.
Why similar: Space Sim 32.4% ★, Science 24.8% ★, VR 13.5%, Space 11.1%, Simulation 8.2%
- #41 Space Trucker
73% matchNo user reviews
Dev: EFH
Windows
Space Trucker is a "realistic" space simulator where you fly your cargo ship to different places within the solar system. Configure your ship, maneuver for departing and docking, plan your high speed flight, and execute it all without breaking space rules - or killing yourself!
Why similar: Space Sim 56.2% ★, Simulation 23.3%, VR 20.5%
- #42 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 Sim 30.3% ★, Science 16% ★, Simulation 15.7%, Space 13.8%, First-Person 7.9%
- #43 Haul Yeah!
72% matchNo user reviews2026
Dev: FunkMunki
Windows
Haul Yeah! is a chill co-op space trucking game. Live aboard your ship, grow food, cook meals, deploy drones, repair hull systems, trade on a player-driven market, and haul resources across 15 star systems. Play solo or with up to 3 friends via Steam.
Why similar: Space Sim 46.4% ★, Simulation 23.3%, First-Person 8.1%, Space 7.8%, 3D 6.2%
- #44 Spaceflight Simulator 2
71% 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 43.3% ★, Science 16.4% ★, Simulation 14.5%, Space 8.8%, Base Building 6.3%
- #45 Gravity Matters
71% matchNo user reviews2025
Dev: Nixiesoft LLC
Windows
Who needs gas when you've got gravity? Casual space flight enhanced with "borrowed" alien tech! Controller and Keyboard flight support
Why similar: Space Sim 43.6% ★, Simulation 23.3%, Casual 15.2%, Space 8.3%, 3D 6.2%
- #46 Gravitation
71% matchNo user reviews
Dev: GoldenEggs Workshop
Windows
Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.
Why similar: Space Sim 45.1% ★, Simulation 25.2%, Casual 16.5%, Space 8%, Physics 5.2%
- #47 Interkosmos 2000
69% matchMixed66% of 32 reviews2023
Dev: Ovid Works
Windows
Go to space. Save the Future. Try not to Die. Welcome (back) to the world of Interkosmos for an even wilder, weirder and more wondrous adventure.
Why similar: Space Sim 39.8% ★, VR 16.7%, Science 15.1% ★, Simulation 12.2%, Space 8.5%
- #48 AstroNOTs
70% 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 51.8% ★, Simulation 28.6%, Space 12.8%, 3D 6.9%
- #49 SimpleRockets
70% matchVery Positive85% of 363 reviews2015
Dev: Jundroo, LLC
Windows · Mac
Median: 5.4 hrsMean: 6.7 hrs≥1hr: 96%
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Why similar: Space Sim 52.2% ★, Simulation 27.1%, Physics 11.5%, Space 9.2%
- #50 Space Mechanic Simulator
68% 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: Space Sim 36.3% ★, Science 20.5% ★, Simulation 12.7%, Space 11.4%, Casual 7.6%
- #51 Aircraft Infinity
68% match8 user reviews100% of 8 reviews2023
Dev: yEvolution Studio
Windows
We present you a fun simulation game in which you pilot an aircraft and have the mission to destroy parts of a large asteroid that has broken into millions of pieces and is heading towards Earth.
Why similar: Space Sim 48.6% ★, Simulation 25.8%, Casual 16.2%, Space 9.5%
- #52 FUTURETECH SPACE COMBAT ACADEMY
69% 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 43.3% ★, Simulation 42.1%, Space 14.5%
- #53 Final Orbit
69% matchNo user reviews2026
Dev: Bad Sector
Windows
Master the cockpit of highly realistic spacecraft in this Newtonian physics based sim. Take off from surface to space, plot a course between the planets and dock with space stations. Trade commodities or take shipping contracts to buy upgrades and optimize your build - every choice matters.
Why similar: Space Sim 31.4% ★, Simulation 20.8%, Science 15.2% ★, Space 12.1%, VR 12%
- #54 Space Zone
67% match3 user reviews33% of 3 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 56.1% ★, Simulation 31%, Space 12.9%
- #55 spaceXplorer
67% matchNo user reviews
Dev: Playito.com
Windows
Desktop and VR interactive space experience/game. Fan homage to SpaceX's efforts of inspiring humanity to finally become a spacefaring civilization! Experience launches, flights and landings of starships first-hand, engage with challenging mini-games, explore funny memes and more. :-)
Why similar: Space Sim 29.5% ★, Science 22.2% ★, VR 10.8%, Space 10%, Simulation 6.6%
- #56 VR Luxury Life (Be a Billionaire)
68% match5 user reviews20% of 5 reviews2020
Dev: William at Oxford
Windows
Wanna a billionaire life? You don't need to be wealthy in reality, you can just spend a few dollars on this virtual reality game and you will know how it would like.
Why similar: Simulation 35.4%, VR 26.2%, Casual 24.2%, First-Person 14.2%
- #57 Super Starship
65% match2 user reviews100% of 2 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 55.2% ★, Simulation 28.7%, Space 9%, 3D 7.1%
- #58 Kerbal Space Program
64% 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: Space Sim 34.3% ★, Science 24% ★, Space 17.5%, Simulation 15.8%, Physics 8.4%
- #59 Pulse Sweep
67% matchNo user reviews
Dev: -----
Windows
Pulse sweep is a short incremental game where enemies are only visible when the radar sweeps them.
Why similar: Space Sim 44.8% ★, Simulation 21.5%, Space 15.1%, Physics 12.2%, Casual 6.3%