- #1 Hardspace: Shipbreaker
97% matchVery Positive89% of 21,702 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 23.9 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 25.1%, Space Sim 19% ★, Physics 15.2%, Sci-fi 14.1%, Sandbox 9%
Why You'll Like It: Focuses on the industrial, physics-based reality of working in space with a similar emphasis on careful, systems-oriented gameplay.
- #2 Children of a Dead Earth
96% 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: Space 24.1%, Science 23.2% ★, Space Sim 14.1% ★, Realistic 10.8%, Sci-fi 10.6%
Why You'll Like It: Offers the most realistic space combat simulation available, mirroring the hard science and physics-based approach of the seed game.
- #3 Ostranauts
96% matchMostly Positive80% of 2,398 reviews2020
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 5.1 hrsMean: 26.8 hrs≥1hr: 71%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Space Sim 18.2% ★, Difficult 13.7%, Space 12.7%, Procedural Generation 8.9%, Immersive Sim 8.6%
Why You'll Like It: Delivers a hard sci-fi experience centered on the granular, often difficult reality of maintaining and piloting a spacecraft.
- #4 Helium Rain
95% matchMostly Positive79% of 324 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.7 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 49% ★, Space 31.5%, Simulation 8.6%, Exploration 7.5%, Action 3.5%
Why You'll Like It: Provides a realistic space flight simulation with a focus on Newtonian physics and industrial economic systems.
- #5 NEBULOUS: Fleet Command
94% matchVery Positive81% of 3,819 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 4.9 hrsMean: 30.4 hrs≥1hr: 77%
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Why similar: Open World 37.5%, Sandbox 34.7%, Simulation 19.8%, Singleplayer 8%
Why You'll Like It: Features deep, physics-based tactical space combat that requires precise management of sensors and weapon systems.
- #6 HighFleet
94% matchVery Positive88% of 7,155 reviews2021
Dev: Konstantin KoshutinPub: MicroProse Software
Windows
Median: 5.1 hrsMean: 16.8 hrs≥1hr: 78%
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
Why similar: Physics 31%, Sci-fi 25.2%, Exploration 17.2%, Simulation 12.5%, Action 7.1%
Why You'll Like It: A top-down, physics-heavy game that demands careful management of ship systems and fuel in a gritty, high-stakes environment.
- #7 Kerbal Space Program
93% 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 21.9%, Science 19.9% ★, Space Sim 19.8% ★, Physics 11.2%, Sandbox 8.9%
Why You'll Like It: The gold standard for orbital mechanics and physics-based space flight that rewards technical understanding and experimentation.
- #8 Barotrauma
92% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 hrs≥1hr: 91%
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Why similar: Sci-fi 34.8%, Difficult 27.9%, Simulation 15.7%, 2D 11.5%, Action 6.5%
Why You'll Like It: Captures the immersive, high-pressure experience of managing a complex vessel and its crew in a hostile, physics-driven environment.
- #9 Endless Sky
91% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 37.9%, Space Sim 16.7% ★, Open World 12.1%, Sci-fi 10.9%, Sandbox 4.3%
Why You'll Like It: A classic top-down space exploration game that shares the open-ended, ship-upgrading progression loop.
- #10 Avorion
91% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space Sim 26.6% ★, Vehicular Combat 17.4% ★, Space 16.9%, Open World 9.6%, Sandbox 9.4%
Why You'll Like It: Provides a deep sandbox experience with extensive ship-building mechanics that rely on physics and material management.
- #11 Cosmoteer: Starship Architect & Commander
89% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 27.7% ★, Space 20.8%, Sci-fi 17.3%, Difficult 12%, Exploration 6.8%
Why You'll Like It: Combines ship design with physics-based combat, requiring careful attention to structural integrity and system placement.
- #12 Reassembly
90% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Space 37.3%, Sandbox 17.8%, Top-Down 8.5%, Open World 7.9%, Sci-fi 7.5%
Why You'll Like It: Features a unique, physics-based approach to ship construction and combat in a 2D space environment.
- #13 Void Destroyer 2
88% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 34.1% ★, Space 19.5%, Open World 12.8%, Sci-fi 11.4%, Sandbox 11.4%
Why You'll Like It: Blends physics-based space combat with sandbox elements, offering a similar feel to the vehicular combat found in the rings.
- #14 Objects in Space
89% matchMixed52% of 612 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 71%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 35.5%, Space Sim 27.6% ★, Simulation 14.5%, Sci-fi 8.8%, Action 6.9%
Why You'll Like It: A hardcore space simulation that emphasizes analog-style controls and realistic sensor management for a truly immersive experience.
- #15 Astrox Imperium
86% 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 32.2%, Space Sim 29% ★, Sandbox 9.8%, Open World 9.6%, Sci-fi 7.1%
Why You'll Like It: A space-sim that emphasizes mining, trading, and combat in a sandbox environment with a focus on player progression.
- #16 Starcom: Nexus
86% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 34.7%, Space Sim 21.3% ★, Sci-fi 14.3%, Open World 9.6%, Exploration 8.3%
Why You'll Like It: Focuses on exploration and ship customization, providing a rewarding sense of discovery in a vast space setting.
- #17 Celestial Command
87% matchMixed63% of 687 reviews2014
Dev: Romenics
Windows · Mac · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 36.9%, Space Sim 21.5% ★, Sandbox 12.6%, Sci-fi 11.1%, Simulation 9.8%
Why You'll Like It: A physics-based space game that allows for complex ship construction and orbital maneuvering.
- #18 Stationeers
85% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Science 33% ★, Space 22.9%, Physics 17.8%, Sci-fi 13.9%, Sandbox 12.4%
Why You'll Like It: Focuses on the complex engineering and atmospheric physics required to survive in space, appealing to players who enjoy technical depth.
- #19 Star Valor
84% matchVery Positive89% of 3,325 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 78%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 27.4%, Sandbox 12.2%, Procedural Generation 11.9%, Open World 11.5%, Sci-fi 10.4%
Why You'll Like It: A sandbox RPG that features satisfying ship combat and a deep loot system for upgrading your vessel.
- #20 Gaia Beyond
84% matchMostly Positive76% of 258 reviews2020
Dev: Warp Turtle
Windows
Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.
Why similar: Space Sim 27.7% ★, Space 17.9%, Sci-fi 11.4%, Physics 10.8%, Open World 10.5%
Why You'll Like It: A top-down space sim that captures the exploration and mining loop within a persistent, sci-fi universe.
- #21 Rodina
83% 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 30.4%, Space Sim 16.1% ★, Open World 13.6%, Sci-fi 10.5%, Exploration 9.7%
Why You'll Like It: Features seamless exploration and ship management in a large-scale, physics-driven solar system.
- #22 Space Engineers
81% matchVery Positive89% of 133,238 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space Sim 26.2% ★, Space 17.6%, Physics 12.8%, Open World 10.2%, Sandbox 9.3%
Why You'll Like It: Offers unparalleled freedom in building and operating complex, physics-based structures and vehicles in space.
- #23 Solar 2
82% matchVery Positive91% of 2,205 reviews2011
Dev: Murudai
Windows · Mac · Linux
Median: 2.0 hrsMean: 4.3 hrs≥1hr: 71%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: Space 28.4%, Space Sim 14.3% ★, Sandbox 11.1%, Physics 8.2%, Open World 7%
Why You'll Like It: A physics-based sandbox game that explores the mechanics of gravity and orbital movement in a minimalist style.
- #24 Spaceflight Simulator
79% 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 26.2% ★, Science 18% ★, Space 16.9%, Sandbox 9.7%, Exploration 5.6%
Why You'll Like It: A simplified but effective physics-based simulator that focuses on the core mechanics of rocket design and orbital flight.
- #25 Rebel Galaxy
81% 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 37.3%, Space Sim 21.7% ★, Sci-fi 13%, Open World 12.4%, Sandbox 4.5%
Why You'll Like It: Offers a cinematic take on space combat with a focus on ship-to-ship encounters and economic progression.
- #26 Wayward Terran Frontier: Zero Falls
82% matchMixed68% of 536 reviews2016
Dev: Reason Generator Inc.
Windows
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Why similar: Space Sim 25% ★, Vehicular Combat 16.2% ★, Space 14.3%, Open World 10%, Sandbox 8.5%
Why You'll Like It: Provides a sandbox experience with detailed ship systems and modular construction that rewards technical play.
- #27 3030 Deathwar Redux - A Space Odyssey
80% 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 26.6%, Space Sim 20.1% ★, Sci-fi 11.4%, Open World 11.1%, Sandbox 7.3%
Why You'll Like It: Combines top-down space exploration with adventure elements, echoing the retro-futuristic feel of space-sims.
- #28 Astronomics
77% matchVery Positive90% of 645 reviews2025
Dev: Numizmatic
Windows
Median: 8.9 hrsMean: 14.4 hrs≥1hr: 85%
Top-down action and space exploration meet asteroid mining automation! Navigate to randomly generated asteroids passing by and start mining. Impress your employer, upgrade your equipment, fight off pirates and save up for that ticket to Earth so you can finally come home... for the very first time.
Why similar: Space 26.1%, Procedural Generation 18.5%, Physics 16.2%, Top-Down 12.7%, Sci-fi 9.7%
- #29 Space Haven
78% matchVery Positive86% of 9,719 reviews2020
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.3 hrsMean: 20.2 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 28.9% ★, Space 20.9%, Sci-fi 12.3%, Sandbox 11.4%, Open World 11.3%
Why You'll Like It: Focuses on the management and survival of a crew aboard a custom-built ship, emphasizing systems-based gameplay.
- #30 The Last Starship
76% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 24.9% ★, Space 16.9%, Science 16.2% ★, Sci-fi 10.1%, Top-Down 9.2%
- #31 Rover Mechanic Simulator
78% matchMostly Positive76% of 654 reviews2020
Dev: ▲ Pyramid GamesPub: Pyramid Games S.A.
Windows
Median: 4.4 hrsMean: 5.9 hrs≥1hr: 93%
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Why similar: Space Sim 21.5% ★, Science 21.3% ★, Space 16.4%, Immersive Sim 10.4%, Sci-fi 9.4%
Why You'll Like It: Focuses on the technical, industrial side of space exploration by tasking players with the detailed repair of complex machinery.
- #32 Space Engineers 2
75% 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 17.9% ★, Space Sim 16.1% ★, Space 14.7%, Physics 10.3%, Sci-fi 8.8%
- #33 Jitter
75% matchVery Positive86% of 153 reviews2025
Dev: Berko Games
Windows
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 24.4% ★, Space 17%, Physics 11.4%, Open World 9.7%, Sci-fi 9.7%
- #34 Space Mechanic Simulator
77% 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 21.6% ★, Science 17.5% ★, Space 14.7%, Immersive Sim 9.4%, Physics 7.5%
- #35 Astrox: Hostile Space Excavation
76% matchVery Positive84% of 454 reviews2015
Dev: Jace Masula
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 75%
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
Why similar: Space 30.5%, Space Sim 25.2% ★, Sandbox 11%, Open World 10.5%, Procedural Generation 9.6%
- #36 Kinetic Void
79% matchOverwhelmingly Negative17% of 1,556 reviews2014
Dev: Badland Studio
Windows · Mac · Linux
Median: 1.9 hrsMean: 3.6 hrs≥1hr: 76%
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants.
Why similar: Space 43.2%, Space Sim 13.8% ★, Sci-fi 13.1%, Sandbox 12.1%, Simulation 9.4%
Why You'll Like It: Features a modular ship-building system and physics-based combat that allows for significant customization.
- #37 Reentry - A Space Flight Simulator
71% 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 20.9% ★, Science 16.5% ★, Space 15%, Immersive Sim 9.1%, Physics 7.8%
- #38 Inspiral: Echoes of Gravity
73% 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 22.8% ★, Space 18.1%, Physics 10.8%, Sandbox 8.4%, Procedural Generation 7.8%
- #39 Starship EVO
74% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space 27.5%, Space Sim 21.2% ★, Sandbox 12.1%, Sci-fi 10.1%, Simulation 8.6%
- #40 Flight Of Nova
73% matchVery Positive94% of 513 reviews2022
Dev: Aerovery Lab
Windows · Linux
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
Why similar: Space Sim 25.8% ★, Immersive Sim 10.3%, Physics 10%, Sci-fi 9.8%, Space 9.1%
- #41 Rocket Science
73% 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 19.1% ★, Science 18.8% ★, Space 14.8%, Physics 10.1%, Sandbox 7.4%
- #42 X Rebirth
74% matchMixed44% of 7,305 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.2 hrs≥1hr: 88%
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Why similar: Space 35.7%, Space Sim 21.3% ★, Sci-fi 14.3%, Simulation 10%, Sandbox 7%
- #43 Between the Stars
70% matchMostly Positive74% of 2,427 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.9 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space 30.5%, Space Sim 30% ★, Sci-fi 10.5%, Sandbox 7.5%, Simulation 7.1%
- #44 Star Trucker
69% matchMostly Positive79% of 4,997 reviews2024
Dev: Monster and MonsterPub: Raw Fury
Windows
Median: 3.3 hrsMean: 10.4 hrs≥1hr: 78%
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
Why similar: Space Sim 24.4% ★, Space 16.1%, Physics 11.4%, Sci-fi 9.5%, Immersive Sim 9.4%
- #45 Starcom: Unknown Space
68% matchVery Positive93% of 4,082 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 7.9 hrsMean: 16.2 hrs≥1hr: 82%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space Sim 29.9% ★, Space 29.3%, Open World 13.1%, Sci-fi 10.6%, Exploration 8.8%
- #46 Nimbatus - The Space Drone Constructor
71% matchMostly Positive79% of 2,144 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.1 hrs≥1hr: 84%
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
Why similar: Space Sim 29.8% ★, Space 18.5%, Sci-fi 12.1%, Physics 10.5%, Open World 8.3%
- #47 Universe Sandbox
70% 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 21.1% ★, Space 18.9%, Physics 12.3%, Space Sim 11.7% ★, Sandbox 10.6%
- #48 Kerbal Space Program 2
71% 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 18.7% ★, Space Sim 15.6% ★, Space 13.5%, Physics 9.5%, Difficult 8.1%
- #49 VoidExpanse
72% matchMostly Positive71% of 760 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Why similar: Space 37.4%, Open World 14.5%, Sci-fi 13.9%, Top-Down 11%, Sandbox 11%
- #50 Deep Space Exploitation
67% matchVery Positive96% of 108 reviews2025
Dev: JuhrJuhr
Windows
Deep Space Exploitation is a space mining game featuring 2D physics, fully destructible asteroids, and a story of survival under an exploitative corporation. Use your equipment wisely, upgrade your ship, and make difficult decisions to secure your future!
Why similar: Space Sim 38.2% ★, Physics 21.7%, Space 19.4%, Sci-fi 13.8%, 2D 3.5%
- #51 Satellite Command
72% matchMixed64% of 80 reviews2016
Dev: Stormtide
Windows
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Why similar: Space Sim 22.3% ★, Science 21.8% ★, Space 16.1%, Physics 10.9%, Immersive Sim 9.4%
- #52 X4: Foundations
69% matchMostly Positive80% of 27,985 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
Why similar: Space Sim 32.3% ★, Space 19.8%, Sandbox 11.2%, Sci-fi 8.4%, Open World 8.3%
- #53 Archean
67% matchVery Positive88% of 236 reviews2024
Dev: batcholi
Windows · Linux
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Space Sim 18.9% ★, Science 18.6% ★, Space 12.8%, Immersive Sim 10.2%, Physics 9%
- #54 Scavenger SV-4
68% matchVery Positive91% of 590 reviews2018
Dev: Deric RuhlPub: HoroArch
Windows
Median: 1.4 hrsMean: 3.7 hrs≥1hr: 65%
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Why similar: Space 29%, Science 16.7% ★, Sci-fi 14.2%, Procedural Generation 12.7%, Simulation 8.6%
- #55 Tiny Space Academy
69% 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 30.7% ★, Space 24.4%, Physics 16.9%, Exploration 8.1%, Simulation 7.3%
- #56 Detached
70% matchMixed56% of 376 reviews2017
Dev: Anshar StudiosPub: Anshar Publishing
Windows
Median: 2.3 hrsMean: 3.7 hrs≥1hr: 73%
Detached is a suspenseful interstellar duel that demands tactics and skill to survive. Separated from your unit you must make smart decisions and race to safety in this visceral exploration of deep space. Strap yourself into your spacesuit for thrilling gameplay designed for VR headsets.
Why similar: Space Sim 13.6% ★, Open World 12.2%, Space 11.3%, Immersive Sim 10.8%, Sci-fi 10.3%
- #57 Vanguard Galaxy
63% matchVery Positive90% of 353 reviews2025
Dev: Bat Roost Games
Windows
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Why similar: Space 19.9%, Space Sim 19.8% ★, Procedural Generation 11.8%, Top-Down 11%, Sandbox 10.3%
- #58 Subdivision Infinity DX
68% matchMostly Positive75% of 105 reviews2019
Dev: MistFly GamesPub: Crescent Moon Games
Windows
Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!
Why similar: Space Sim 34.2% ★, Space 26.1%, Sci-fi 14.3%, Exploration 7.2%, Action 6.2%
- #59 Space Trash Scavenger
64% matchVery Positive84% of 514 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 76%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space 21%, Space Sim 18.5% ★, Procedural Generation 12.5%, Open World 11.3%, Sandbox 9.9%
- #60 Rogue System
66% 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 61.8% ★, Space 22.5%, Simulation 15.7%