- #1 Space Query
82% 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 38.8% ★, Simulation 22%, Education 19.6%, Exploration 6.9%, Space 6.3%
- #2 Space Zone
78% 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 44.1% ★, Simulation 25.5%, Realistic 12%, Space 8.9%, Exploration 8.5%
- #3 Kepler Project
77% 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 38.6% ★, Simulation 19.3%, Education 13.7%, Space 12.8%, Exploration 8.8%
- #4 History of Space
74% 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 41.1% ★, Simulation 23.5%, Education 13.8%, Realistic 8.8%, Exploration 7.9%
- #5 Rogue System
73% 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 29.3%, Space 9%
- #6 Tachyon: The Fringe
72% 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 54.8% ★, Simulation 32.8%, Space 12.4%
- #7 3D Solar System Simulator
72% 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 37.6% ★, Simulation 22.1%, Education 21.5%, Realistic 6.7%, Physics 6.7%
- #8 REAL MOON
69% matchMixed68% of 112 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 50.7% ★, Simulation 26.6%, Space 11.2%, Exploration 10.2%, Singleplayer 1.3%
- #9 Lunaris
71% 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 41.5% ★, Simulation 25.4%, Education 13.8%, Realistic 9.1%, Space 5.2%
- #10 FSX SpacePort
70% matchNo user reviews
Dev: TerraBuilder
Windows
Spaceflight add-on for Microsoft Flight Simulator X
Why similar: Space Sim 45.1% ★, Simulation 40.9%, Space 14%
- #11 The Earth Sucks
70% 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 46.5% ★, Simulation 28.9%, Physics 13.3%, Space 10.2%, Singleplayer 1.1%
- #12 Tiny Space Academy
70% matchMixed63% of 54 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space Sim 35.8% ★, Education 16.2%, Simulation 15.9%, Space 11.5%, Physics 10.8%
- #13 A Hole In Space
69% 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 54% ★, Simulation 22.9%, Space 12.6%, Physics 8.1%, Indie 1.5%
- #14 Super Starship
67% match1 user reviews100% of 1 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 52.1% ★, Simulation 28.4%, Exploration 10.2%, Space 7.4%, Indie 1.2%
- #15 Shuttle Commander
69% matchMixed48% of 31 reviews2020
Dev: Immersive VR Education
Windows
Take command of the Space Shuttle as it embarks on various missions to the Hubble Space Telescope. Fly the shuttle in a full landing simulation based on real physics and flight dynamics.
Why similar: Space Sim 42.8% ★, Education 24%, Simulation 21%, Realistic 11.2%, Singleplayer 1%
- #16 Space Crash Simulator
66% 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 50.2% ★, Simulation 16%, Space 11.7%, Physics 10.8%, Education 6%
- #17 SimpleRockets
68% 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 49.4% ★, Simulation 27%, Physics 13.8%, Space 7.5%, Indie 2.3%
- #18 Space Simulator
69% 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 43.9% ★, Simulation 38.6%, Space 17.5%
- #19 Helium Rain
67% matchMostly Positive79% of 324 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.8 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% ★, Simulation 18.8%, Space 14.7%, Exploration 7.3%, Indie 2.2%
- #20 Orbital Mechanic
67% matchNo user reviews
Dev: Epicycle Interactive LLC
Windows
Master spaceflight and progress through realistic orbital mechanics challenges of increasing complexity. Plot maneuvers to coordinate transfer orbits, gravity assists, and high-stakes rendezvous.
Why similar: Space Sim 30.5% ★, Simulation 26.9%, Education 15%, Space 13.2%, Physics 12.2%
- #21 Space Elevator Project
66% 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 47.3% ★, Simulation 28.3%, Exploration 9.1%, Space 8.6%, Physics 5.9%
- #22 RedSpaceOps
67% matchNo user reviews2023
Dev: Floyd Kerr
Windows
Experience the thrill of live space operations by controlling various Research, Experimental, and Demonstration (RED) spacecraft to accomplish real world tasking. The first mission is SpaceCowboy ADR (Active Debris Remediation). Clean up dangerous debris to earn ADR bucks and refuel to stay alive.
Why similar: Space Sim 34.4% ★, Education 21.4%, Space 10.3%, Physics 9.5%, Exploration 9.2%
- #23 Solar System Simulator
65% matchPositive84% of 19 reviews2024
Dev: WPC
Windows · Mac
Gravity and exploration sandbox
Why similar: Space Sim 36.6% ★, Education 16.9%, Simulation 12.9%, Space 9.5%, Realistic 9.3%
- #24 Journey to Impossible
64% matchMixed50% of 10 reviews2025
Dev: JTI Production
Windows
Journey to Impossible is a VR action-simulation game that puts you in the role of an Apollo astronaut. Pilot the Lunar Module, manage spacecraft systems, and tackle mission-critical tasks in an immersive first-person experience that combines realism, action, and education.
Why similar: Space Sim 35.2% ★, Simulation 25.2%, Education 22.6%, Realistic 9.1%, Space 6.1%
- #25 Astral Shipwright
65% matchMixed61% of 33 reviews2022
Dev: Deimos Games
Windows · Linux
Build and upgrade your personal ship to travel around a strange planet.
Why similar: Space Sim 44.7% ★, Simulation 23.9%, Realistic 11.8%, Space 10.8%, Physics 8.3%
- #26 FUTURETECH SPACE COMBAT ACADEMY
65% 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: Simulation 44.1%, Space Sim 43.3% ★, Space 12.6%
- #27 Space Simulation Toolkit
64% matchVery Positive81% of 472 reviews2020
Dev: Pavel Kudinov
Windows
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.
Why similar: Space Sim 31.3% ★, Simulation 23.7%, Education 15.5%, Physics 13.7%, Space 8.3%
- #28 SpaceBourne
64% matchMostly Positive77% of 804 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 58%
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Why similar: Space Sim 43% ★, Simulation 27.1%, Space 19.4%, Exploration 7.2%, Indie 3.3%
- #29 GravBoost
62% match3 user reviews100% of 3 reviews2026
Dev: Emergent Dynamics Studio
Windows
In GravBoost, gravity is your greatest ally and your deadliest foe. Master the art of the gravitational slingshot to intercept orbital targets. Manage your fuel and time wisely in this physics-driven space sim where precision is the only way to survive the cosmic pull.
Why similar: Space Sim 50.3% ★, Simulation 24%, Physics 15.1%, Space 8.6%, Indie 1.2%
- #30 Galaxy Engine
62% 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 41.8% ★, Simulation 29.7%, Space 13.4%, Physics 12.7%, Indie 1.4%
- #31 Mars Training Camp
63% matchNo user reviews2025
Dev: Christopher ShovePub: Simwerx LLC
Windows
Mars Training Camp is a simulation to build the human first base on Mars based on NASA and SpaceX science and plans. You must find ice and build critical facilities of green houses, O2 & H gas plant, launch pads and a habitat, and react just in time to emergencies of fire and low oxygen supply.
Why similar: Space Sim 41.1% ★, Simulation 24.1%, Education 23.5%, Space 5.4%, Exploration 5.2%
- #32 Reentry - A Space Flight Simulator
59% matchOverwhelmingly Positive97% of 1,204 reviews2025
Dev: Lyra Creative
Windows
Median: 2.0 hrsMean: 5.7 hrs≥1hr: 70%
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
Why similar: Space Sim 37.4% ★, Simulation 13.4%, Education 12.4%, Realistic 11.4%, Space 10.8%
- #33 Soyuz Constructors
63% 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 34% ★, Simulation 24.4%, Education 10.1%, Space 9.7%, Physics 9.6%
- #34 Pulse Sweep
63% 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 46.1% ★, Simulation 23.3%, Physics 15.9%, Space 13.5%, Singleplayer 1.2%
- #35 StarbaseSim
61% matchVery Positive97% of 59 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 44.4% ★, Simulation 18.1%, Education 15.3%, Realistic 11.1%, Space 6.5%
- #36 Roving Rovers - Australian Rover Challenge 2025
61% match4 user reviews75% of 4 reviews2025
Dev: Mini Mammoth Games
Windows
Ensure the moon is safe for man's inevitable lunar habitat. Drive and interact as a Lunar Rover with crashed ships, the natural resources and explore the nearby landscape to determine the suitability!
Why similar: Space Sim 46.4% ★, Simulation 15.7%, Realistic 14.6%, Physics 11.6%, Exploration 7.4%
- #37 Boötes
61% match2 user reviews50% of 2 reviews2024
Dev: HEAD GMZ
Windows
Boötes is a Space Sim where you get to jump on astroids. Collect Crystals, Unlock New Abilities, Find Secrets to Unlock New Suits, and Much More. You are all alone in The Boötes Void where you find mysterious crystals that can help fuel your space shuttle so you can visit the Cold Dark.
Why similar: Space Sim 60.7% ★, Simulation 20.2%, Exploration 10.4%, Realistic 7.5%, Singleplayer 1.2%
- #38 Spaceflight Simulator 2
62% 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 46.2% ★, Simulation 16.1%, Education 9.3%, Space 8.1%, Exploration 7.6%
- #39 Aposfera Spacetrips
62% matchNo user reviews
Dev: Roman Moltanovski
Windows
Space trips across the your personal universe
Why similar: Space Sim 49.6% ★, Simulation 27.6%, Exploration 9.5%, Space 8%, Indie 4.2%
- #40 STAR WARS™ - X-Wing Special Edition
62% matchMostly Positive78% of 463 reviews2015
Dev: LucasfimPub: LucasArts
Windows · Mac
Median: 12 minMean: 6.3 hrs≥1hr: 29%
Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?
Why similar: Space Sim 62.7% ★, Simulation 20.3%, Space 14.7%, Singleplayer 2.3%
- #41 Space Commanders: Solar System
62% matchNo user reviews2026
Dev: Ziya AL
Windows
A lone space commander explores real planetary surfaces, builds small outposts, rescues stranded astronauts, and fights to survive in the cold silence of the Solar System.
Why similar: Space Sim 44% ★, Simulation 18.8%, Realistic 12%, Education 8.3%, Space 7.3%
- #42 Low Earth Orbit Adventures
61% matchNo user reviews2026
Dev: Classyk Games
Windows · Mac · Linux
Low Earth Orbit Adventures is a chill space sim set in the near future where the space around Earth has become a frontier of science, commerce and diplomacy. Retrieve the Hubble, rescue astronauts, assemble space stations and many other missions in this realistic but friendly adventure.
Why similar: Space Sim 52.8% ★, Realistic 16%, Physics 12.2%, Simulation 12%, Space 6.5%
- #43 Gravitation
61% 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 48.2% ★, Simulation 28.2%, Space 7.5%, Physics 7.1%, Exploration 7%
- #44 Orders of Magnitude
60% matchVery Positive97% of 70 reviews2024
Dev: Ouroboro Soft Inc.
Windows
Have you ever wondered what the whole Universe looks like? With the myriad Galaxies, each containing billions of Stars, including our Solar System? Have you seen a Human Brain and its Neurons? DNA? What about the Electrons surrounding the tiny Atomic Nucleus? And what lies at even smaller scales?
Why similar: Space Sim 28.8% ★, Simulation 26%, Education 16%, Space 8.8%, Realistic 8.4%
- #45 Kerbal Space Program
60% matchOverwhelmingly Positive95% of 133,043 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.3 hrsMean: 65.3 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 36.4% ★, Simulation 17.6%, Space 16.2%, Education 12.7%, Physics 11.2%
- #46 Rocket Science
61% matchVery Positive80% of 160 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 33.4% ★, Education 16.2%, Simulation 11.7%, Realistic 10.4%, Space 10.4%
- #47 Space Manager
61% matchNo user reviews
Dev: Trophy Games
Windows
Build, launch and manage realistic space missions across our solar system, placing satellites and telescopes in precise orbits. Explore planets, collect valuable scientific data and sell your findings to expand your rising aerospace empire.
Why similar: Space Sim 48.3% ★, Simulation 19.4%, Realistic 11.9%, Space 8.4%, Exploration 6%
- #48 AstroNOTs
61% 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 55.1% ★, Simulation 31.9%, Space 11.8%, Singleplayer 1.2%
- #49 Independence War® 2: Edge of Chaos
62% matchMostly Positive76% of 94 reviews2015
Dev: Particle Systems Ltd.Pub: Atari
Windows
Command four space vessels and a band of revolutionary pirates into an all-consuming battle against impossible odds, because there just isn't enough Space for everyone!
Why similar: Space Sim 55.1% ★, Simulation 44.9%
- #50 PowerCorp
61% matchNo user reviews
Dev: byteZorroPub: byteZorro Games
Windows
A hard sci-fi survival sim where each decision costs power. Every system drains your dying reactor. Pilot a crippled spacecraft across a real-scale solar system using true orbital mechanics, manage critical systems, and fight to reach Earth — where space itself is the only enemy you need.
Why similar: Space Sim 30.8% ★, Simulation 28.1%, Space 13.4%, Realistic 11.5%, Exploration 9.2%
- #51 The Battle of Sol
62% matchMixed57% of 102 reviews2015
Dev: Bit Planet Games, LLC
Windows
Median: 18 minMean: 12.2 hrs≥1hr: 23%
The Battle of Sol is an intense space action game where you participate in epic capital ship battles, thrilling dogfights, space station raids, and much more as you liberate humanity's solar system from enemies determined to bring us to its fiery end.
Why similar: Space Sim 43.6% ★, Simulation 37.1%, Space 15.4%, Indie 3.9%
- #52 Star Paws
61% matchNo user reviews
Dev: Blue Cat's Games
Windows
Star Paws is a space simulator with sandbox elements. In this game, you play as an astronaut cat. Your goal is to develop your own space program. Build a spacecraft from a variety of components and venture in search for a strange signal coming from a distant deep corner of the Solar System!
Why similar: Space Sim 40.3% ★, Education 16.7%, Realistic 12.7%, Simulation 12%, Space 9.9%
- #53 The Universe of Red Hope
61% 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 46.7% ★, Education 23.4%, Simulation 16.9%, Space 11.4%, Singleplayer 1.6%
- #54 Solar Expanse - Space Exploration Manager
61% matchNo user reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
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. Then go beyond and conquer the galaxy!
Why similar: Space Sim 32.8% ★, Simulation 13.9%, Education 12.2%, Space 11.6%, Realistic 11.5%
- #55 Sylph
61% matchNo user reviews2026
Dev: Softmax Foundries
Windows
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
Why similar: Space Sim 44.6% ★, Realistic 15.5%, Simulation 15.2%, Space 10.2%, Physics 7.4%
- #56 Shrouded Suns
61% matchNo user reviews
Dev: Benjamin Cid Pérez
Windows
In the midst of a seemingly hopeless war among the stars, take control of highly customizable spacefighters to experience classic space combat action throughout a story-driven campaign.
Why similar: Space Sim 64.3% ★, Simulation 17.1%, Space 15.1%, Indie 1.8%, Singleplayer 1.7%
- #57 Spaceflight Simulator
58% matchOverwhelmingly Positive96% of 7,453 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.5 hrsMean: 14.2 hrs≥1hr: 84%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 49.2% ★, Simulation 15.8%, Space 12.7%, Exploration 8.9%, Physics 5.6%
- #58 AGOS - A Game Of Space
61% matchMixed63% of 103 reviews2020
Dev: Ubisoft
Windows
Explore unique star systems in AGOS: A Game of Space! Scavenge resources, face the danger of space and save humankind.
Why similar: Space Sim 56.6% ★, Simulation 21.7%, Realistic 8.4%, Exploration 6.7%, Space 6%