- #1 SpaceEngine
97% matchOverwhelmingly Positive96% of 14,936 reviews2019
Dev: Cosmographic Software
Windows
Median: 2.1 hrsMean: 47.7 hrs≥1hr: 66%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Science 19.6% ★, Space Sim 18.6% ★, Sandbox 12%, Space 11.9%, Open World 9.6%
- #2 Starship Simulator
96% matchNo user reviews
Dev: Fleetyard Studios
Windows
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.
Why similar: Space Sim 23.7% ★, Science 22.9% ★, Space 12.4%, Sandbox 9.8%, Open World 8.4%
- #3 Spaceflight Simulator
96% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 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 28.6% ★, Science 23.3% ★, Sandbox 15.8%, Space 15.1%, Exploration 6.5%
- #4 Kerbal Space Program 2
95% matchMostly Negative27% of 31,135 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.1 hrs≥1hr: 86%
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
Why similar: Science 26.7% ★, Space Sim 18.9% ★, Space 13.4%, Sandbox 12.8%, Open World 7.4%
- #5 Star Paws
94% 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: Science 26.9% ★, Space Sim 25.3% ★, Space 12.7%, Sandbox 11.1%, Realistic 7.7%
- #6 Curiosmos
94% matchNo user reviews
Dev: Céline Veltman & The Silly Stars
Windows · Mac
Curiosmos is a cozy space sim where you build your own solar system by hand, crafting planets, moons, gravity, atmosphere, and even life! Embark on a quest to discover the secrets of the universe!
Why similar: Wholesome 23.4% ★, Space Sim 15.8% ★, Sandbox 13.3%, Relaxing 7.7%, Space 7.5%
- #7 Universe Sandbox
93% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: Science 27.6% ★, Sandbox 17.6%, Space 17.2%, Space Sim 13% ★, Realistic 5.7%
- #8 The Universe of Red Hope
92% 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: Science 32.5% ★, Space Sim 30.2% ★, Space 15.1%, Sci-fi 8%, First-Person 7.1%
- #9 Solar Expanse - Space Exploration Manager
91% 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: Science 28.1% ★, Space Sim 21.3% ★, Space 15.3%, Sandbox 13.5%, Realistic 7.2%
- #10 Final Orbit
91% 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 21.8% ★, Science 18% ★, Sandbox 16.1%, Space 15%, Open World 11%
- #11 Course Correction
90% matchNo user reviews
Dev: House 13 Games
Windows
Realistic space flight simulator.
Why similar: Space Sim 25% ★, Science 21.2% ★, Space 14.7%, Sandbox 10.5%, Realistic 8.1%
- #12 Rodina
89% matchVery Positive93% of 1,329 reviews2014
Dev: Elliptic Games
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 71%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 27.1%, Space Sim 17.5% ★, Sandbox 14.9%, Open World 14.3%, Exploration 11.2%
- #13 Launch Director
89% 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: Science 31.7% ★, Space Sim 24.9% ★, Space 15%, Open World 6.6%, Relaxing 5.8%
- #14 Kerbal Space Program
88% 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: Science 27.9% ★, Space Sim 23.5% ★, Space 21.4%, Sandbox 15.8%, Open World 4.7%
- #15 Space Tourist
87% matchPositive92% of 12 reviews2025
Dev: Grow Now!
Windows
Space Tourist is a chill, mechanic-lite, easy space exploration game designed for tired gamers who love to discover beautiful worlds without overwhelming systems or steep learning curves. Explore space. Land on new worlds. Plant flags. Take photos. Relax.
Why similar: Space Sim 21.6% ★, Sandbox 12.2%, Stylized 9.3%, First-Person 9%, Space 8.9%
- #16 ΔV: Rings of Saturn
86% matchVery Positive93% of 3,305 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 85%
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Why similar: Science 22.7% ★, Space Sim 21.8% ★, Space 15.1%, Sandbox 8.5%, Open World 7.5%
- #17 Worlds Of The Future
86% matchNo user reviews
Dev: Moonmen Games
Windows
Worlds Of The Future is a sci-fi open world, action/adventure game. Explore a fully seamless solar system full of adventures, mysteries and colorful characters. Build your space delivery company, climb the company rankings and become a legend among the worlds!
Why similar: Space Sim 30.6% ★, Sandbox 16.2%, Space 12.3%, Exploration 7.8%, Open World 7.6%
- #18 Rocket Science
85% 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: Science 26.1% ★, Space Sim 22.4% ★, Space 14.2%, Sandbox 13.1%, Open World 7.5%
- #19 Cosmic Composer
84% matchNo user reviews2026
Dev: Juhani Viitanen
Windows
Casual puzzle game on a cosmic scale. Build stars, planets and other cosmic objects. Evolve your cosmos using abilities of the stars from stellar winds to supernova.
Why similar: Space 22.1%, Science 20.9% ★, Space Sim 19.6% ★, Sandbox 18.8%, Relaxing 4.6%
- #20 Spaceflight Simulator 2
84% 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 32% ★, Science 20.6% ★, Sandbox 14.9%, Space 11.6%, Exploration 6.6%
- #21 Solar Systems For Kids
83% match1 user reviews0% of 1 reviews2023
Dev: SRM Games
Windows
A family friendly casual game that teaches children about celestial bodies. Learn about the Sun, Earth, Jupiter, and the other celestial bodies that make up our Solar System. You or your child will also be able to create your own Solar System in a sleek and in-depth fashion!
Why similar: Science 33.2% ★, Space Sim 19% ★, Space 17.2%, Exploration 6.5%, Realistic 5.2%
- #22 Soyuz Constructors
82% 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: Science 27.4% ★, Space Sim 24.3% ★, Space 14.2%, Sandbox 12.7%, Exploration 6.7%
- #23 RemoteSpace: First Settlement
82% 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 30.4% ★, Science 23.2% ★, Space 10.8%, Sandbox 10.1%, Realistic 7.2%
- #24 Vyulettes
81% matchNo user reviews
Dev: Elias Urbizu
Windows
Delicate, immortal. You and your friends are Traipsers. Dance from moons to planets to stars. Fish for glimmers of data in impossible places with ancient tools. Witness the ashes of the Universe's birth and the throes of its death alike. A cooperative, playful space sandbox experience.
Why similar: Science 25.3% ★, Space Sim 24.3% ★, Sandbox 11.3%, Space 7.9%, Open World 7%
- #25 Children of a Dead Earth
81% matchVery Positive90% of 902 reviews2016
Dev: Q Switched Productions, LLC
Windows · Mac
Median: 2.2 hrsMean: 23.8 hrs≥1hr: 65%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 32.1% ★, Space 23.2%, Space Sim 16.5% ★, Realistic 12.8%, Sci-fi 8.2%
- #26 spaceXplorer
80% 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: Science 28.1% ★, Space Sim 21.9% ★, Space 13.3%, Sandbox 13.3%, Exploration 6.9%
- #27 Space Mechanic Simulator
79% 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 27.2% ★, Science 26.2% ★, Space 15.2%, Realistic 7.5%, Sci-fi 6.1%
- #28 Space
79% matchNo user reviews
Dev: Digital Traveller
Windows
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
Why similar: Space Sim 31.6% ★, Space 15.8%, Sandbox 13.4%, Open World 10%, Realistic 8.3%
- #29 Kepler Project
78% 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 36% ★, Science 24.8% ★, Space 24.4%, Exploration 10.3%, 3D 2.9%
- #30 MOVING WITH THE MOON: Mastering Universal Gravitation!
78% 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: Science 37.1% ★, Space Sim 30.3% ★, Space 19.3%, Sci-fi 6.7%, Casual 5.8%
- #31 Among The Stars
77% matchNo user reviews2026
Dev: Hidden Universe Games
Windows
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 41.9% ★, Sandbox 21%, Exploration 12%, Space 7.9%, Open World 7.6%
- #32 Project Coreward
77% match5 user reviews100% of 5 reviews2024
Dev: ExoElement Games
Windows
Embark on an open world journey across the stars while encountering foes, friends and forgotten stories. Build your ship. Recruit and train your crew. Most of all, explore and confront the unknown to reveal the true, vast nature of choice and consequence.
Why similar: Space Sim 28.5% ★, Science 21.4% ★, Sandbox 15.2%, Space 9.4%, Exploration 7.4%
- #33 Space Crash Simulator
75% 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 40.2% ★, Space 19.1%, Sandbox 15.9%, Science 10.2% ★, Casual 3.6%
- #34 Inspiral: Echoes of Gravity
75% matchMostly Positive80% of 54 reviews2025
Dev: PcZ Games
Windows · Mac
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
Why similar: Space Sim 28.6% ★, Space 18.7%, Sandbox 15.8%, Relaxing 8.7%, Sci-fi 6.4%
- #35 Elite Dangerous
76% matchMostly Positive77% of 105,113 reviews2015
Dev: Frontier Developments
Windows
Median: 18.4 hrsMean: 146.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 39.6% ★, Space 20.6%, Open World 12.5%, Exploration 7.5%, Sandbox 7.3%
- #36 Enter The Moon
76% match6 user reviews67% of 6 reviews2018
Dev: Paul SobkowiakPub: LPS-Interactive
Windows
Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.
Why similar: Space Sim 30.7% ★, Science 26% ★, Space 15.6%, Sci-fi 7.1%, Open World 6.6%
- #37 Celestarium
74% 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 28.9% ★, Space Sim 19.4% ★, Space 17.8%, Realistic 8.5%, Exploration 8.5%
- #38 ROVA
74% matchNo user reviews
Dev: FreeRangeDevs
Windows
ROVA is a cozy space-rover photography game. Help a new space colony conduct research on large spherical planets, by documenting elements of alien worlds through photography. ROVA is a game about discovery and exploration.
Why similar: Space Sim 27.8% ★, Sandbox 16.1%, Space 15.8%, Exploration 8.5%, Open World 7.5%
- #39 Keplerian Space Discovery
72% matchNo user reviews88% of 17 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: Science 33.9% ★, Space Sim 26.4% ★, Space 17.9%, Open World 9.2%, Realistic 4.5%
- #40 Huntian: StarTrace
73% 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 25.7% ★, Sandbox 21.3%, Space 18.6%, Open World 12%, Exploration 8%
- #41 Astrox Imperium
73% matchVery Positive85% of 1,210 reviews2019
Dev: Jace Masula
Windows
Median: 4.2 hrsMean: 16.4 hrs≥1hr: 67%
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
Why similar: Space Sim 32.7% ★, Space 29.8%, Sandbox 16.5%, Open World 10.5%, Sci-fi 5.3%
- #42 Expedition Astra
72% matchNo user reviews
Dev: Light Year Interactive Inc.
Windows
Explore the uncharted territories of the Kuiper Belt in a deeply immersive virtual reality experience. Hone your skills in spacecraft docking, engage in strategic asteroid sampling, and unveil the secrets of this distant region of our solar system.
Why similar: Space Sim 28.5% ★, Science 24.7% ★, Space 16.3%, Realistic 6.8%, Exploration 6%
- #43 Terraspace
70% match7 user reviews43% of 7 reviews2025
Dev: Black Apple
Windows
The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.
Why similar: Space Sim 28.9% ★, Science 17.5% ★, Sandbox 14.6%, Space 10%, Stylized 6.4%
- #44 Astro VR
71% 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: Science 33.9% ★, Space Sim 26% ★, Space 15.9%, Exploration 8.8%, Realistic 5.9%
- #45 SkyRig
71% 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 30.9% ★, Space Sim 19.3% ★, Space 14.1%, Sandbox 12.6%, Sci-fi 5.8%
- #46 Space Worthy
71% matchMostly Positive73% of 11 reviews2022
Dev: GenreStorm Studio
Windows
Space Worthy is a survival game focused on building spaceships. You start on a primitive planet, with acient technology, and craft your way into stars! Dig in the ground, smelt metals, build machines, houses, vehicles and spaceships!
Why similar: Space Sim 28.3% ★, Science 23.4% ★, Sandbox 15.6%, Space 11.5%, Open World 6.7%
- #47 Space Engineers 2
68% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Science 24.2% ★, Space Sim 18.4% ★, Sandbox 14.2%, Space 13.8%, Open World 8.7%
- #48 Reentry - A Space Flight Simulator
67% matchOverwhelmingly Positive97% of 1,212 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 27.8% ★, Science 25.9% ★, Space 16.4%, Open World 9.4%, Realistic 8.2%
- #49 Tin Can
69% 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 24.7% ★, Science 22.2% ★, Space 20%, Realistic 10%, Sci-fi 8.1%
- #50 Rover Simulator
70% 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 37% ★, Science 20.9% ★, Exploration 9.6%, Space 8.7%, First-Person 6.1%
- #51 A Hole In Space
70% 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 46.9% ★, Space 22.3%, Sandbox 12%, Relaxing 8.9%, Atmospheric 5.5%
- #52 Black Hole Simulator
69% matchVery Positive82% of 153 reviews2021
Dev: PanGuoJun
Windows
A simple black hole simulator.
Why similar: Space Sim 28% ★, Science 22.6% ★, Sandbox 14.3%, Realistic 7.8%, Stylized 6%
- #53 3030 Deathwar Redux - A Space Odyssey
68% matchVery Positive94% of 1,148 reviews2017
Dev: Bird in SkyPub: Crunchy Leaf Games
Windows
Median: 7.5 hrsMean: 8.2 hrs≥1hr: 91%
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Why similar: Space 25.9%, Space Sim 23.8% ★, Sandbox 13%, Open World 12.7%, Sci-fi 8.9%
- #54 Darkstar One
69% matchVery Positive83% of 609 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space Sim 38.6% ★, Space 30.7%, Sci-fi 11.1%, Open World 10.8%, Exploration 8%
- #55 Rebel Galaxy
68% matchVery Positive85% of 8,230 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.6 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space 35.3%, Space Sim 25% ★, Open World 13.9%, Sci-fi 9.9%, Sandbox 7.7%
- #56 Star Legacy
67% matchNo user reviews
Dev: Star Legacy
Windows
Venture into the depths of space and leave your legacy among the stars. In Star Legacy, explore galaxies, upgrade your ship, and survive on unknown planets.
Why similar: Space Sim 39.8% ★, Exploration 9.1%, Space 9.1%, Realistic 7.5%, First-Person 6.2%
- #57 MICROVERSE
66% matchNo user reviews2026
Dev: Spacefaring Studio
Windows
MICROVERSE is a sci-fi action/adventure game. It includes weapons such as laser pistols, melee weapons and a 'merchant center' where you use in-game credits to buy new weapons and upgrades.
Why similar: Space Sim 37.6% ★, Space 12.5%, Open World 11.6%, Exploration 11%, First-Person 7.8%
- #58 Astro Tanto
66% matchNo user reviews
Dev: Theory Studios
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 39.1% ★, Science 28.2% ★, Space 12.5%, First-Person 8%, Casual 6.6%
- #59 OnOrbit - Virtual Space Lab
66% matchNo user reviews
Dev: Vinícius Guerra CardosoPub: Visian Games
Windows
OnOrbit is a virtual space lab lets you assemble and operate space hardware as if you were actually in space. Make your own craft in a sandbox mode, then simulate its operation as part of the Supernational Space Cooperative (SSC). Climb the ranks and head out to the planets.
Why similar: Science 31.8% ★, Space Sim 29.7% ★, Sandbox 15.2%, Realistic 8.5%, Sci-fi 6.8%