- #1 Universe Sandbox
97% 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 19.8% ★, Sandbox 16.3%, Space 16.1%, Space Sim 10.8% ★, Education 8.6%
Why You'll Like It: It shares the scientific focus of SpaceEngine, allowing users to manipulate gravity, climate, and celestial bodies on a massive scale.
- #2 Elite Dangerous
96% 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 36.9% ★, Space 21.6%, Open World 18.1%, Sci-fi 11.1%, Sandbox 7.6%
Why You'll Like It: This game provides a 1:1 scale recreation of the Milky Way, offering the most realistic flight and exploration experience in a massive, open space environment.
- #3 No Man's Sky
96% matchVery Positive85% of 402,164 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.2 hrsMean: 70.4 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Open World 22.6%, Space 22.3%, Space Sim 15.2% ★, Sci-fi 12.2%, Sandbox 12.2%
Why You'll Like It: Like SpaceEngine, it uses procedural generation to create a near-infinite universe of planets to discover and explore.
- #4 Kerbal Space Program
95% 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 20.5%, Science 20.4% ★, Space Sim 20.1% ★, Sandbox 14.9%, Education 8.2%
Why You'll Like It: It offers a deep, physics-based simulation of space flight that appeals to the same scientific curiosity found in SpaceEngine.
- #5 Exo One
94% matchVery Positive90% of 5,125 reviews2021
Dev: ExbleativePub: Future Friends Games
Windows
Median: 1.8 hrsMean: 2.7 hrs≥1hr: 68%
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
Why similar: Space Sim 23.4% ★, Flight 23.4%, Space 17.4%, Sci-fi 9.1%, Realistic 7.1%
Why You'll Like It: This title captures the atmospheric and meditative feeling of traveling through alien landscapes with a focus on momentum and scale.
- #6 Rodina
94% 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 27.8%, Open World 20.2%, Space Sim 15.9% ★, Sandbox 15%, Sci-fi 11.4%
Why You'll Like It: It features a seamless, open-world solar system that allows for the same kind of unrestricted travel and exploration found in SpaceEngine.
- #7 Flight Of Nova
93% 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 21.7% ★, Flight 18.7%, Open World 10%, Sci-fi 8.9%, Sandbox 8.6%
Why You'll Like It: This simulator focuses on realistic atmospheric and space flight mechanics, providing a grounded experience for those who enjoy the technical side of space travel.
- #8 Reentry - A Space Flight Simulator
91% 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 20.2% ★, Flight 17%, Science 16.1% ★, Space 13.4%, Open World 10.6%
Why You'll Like It: It provides a hyper-realistic simulation of space missions, perfect for users who appreciate the technical and educational aspects of SpaceEngine.
- #9 Children of a Dead Earth
92% 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 23.6% ★, Space 22.3%, Space Sim 14.1% ★, Realistic 12.6%, Sci-fi 11.6%
Why You'll Like It: It is a highly realistic space combat simulator that prioritizes scientific accuracy and orbital mechanics over arcade-style gameplay.
- #10 Juno: New Origins
91% matchVery Positive89% of 3,369 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.0 hrsMean: 12.8 hrs≥1hr: 51%
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
Why similar: Space Sim 19.2% ★, Science 18.6% ★, Flight 15.1%, Education 10.8%, Space 9.8%
Why You'll Like It: This game allows for complex rocket design and orbital exploration, appealing to the engineering and simulation interests of SpaceEngine users.
- #11 Spaceflight Simulator
90% 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 27.8% ★, Science 19.4% ★, Sandbox 17%, Space 16.5%, Open World 5.7%
Why You'll Like It: A more accessible, yet still physics-based, approach to building and flying spacecraft across a realistic solar system.
- #12 Space Engineers
89% 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 29.5% ★, Space 18.2%, Sandbox 17.4%, Open World 17.3%, Realistic 10.6%
Why You'll Like It: It offers a deep sandbox experience where players can build and explore in a realistic, physics-driven space environment.
- #13 Outer Wilds
88% matchOverwhelmingly Positive96% of 99,459 reviews2020
Dev: Mobius DigitalPub: Annapurna Interactive
Windows
Median: 4.6 hrsMean: 16.7 hrs≥1hr: 82%
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
Why similar: Space 39.4%, Open World 25.2%, Sci-fi 15.9%, Atmospheric 8.8%, Simulation 3%
Why You'll Like It: While more narrative-driven, it perfectly captures the sense of wonder and mystery inherent in exploring a handcrafted, physics-based solar system.
- #14 Solar 2
89% 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 25.5%, Sandbox 17.9%, Space Sim 14% ★, Open World 10.2%, Sci-fi 6.5%
Why You'll Like It: It captures the cosmic scale of SpaceEngine by allowing players to grow from a small asteroid into a massive black hole.
- #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 26.7%, Space Sim 26.1% ★, Sandbox 14.6%, Open World 13%, Sci-fi 7%
Why You'll Like It: This space simulation offers a vast, open universe with a focus on exploration, mining, and trading in a realistic setting.
- #16 Kerbal Space Program 2
86% 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 22% ★, Space Sim 18.1% ★, Space 14.5%, Sandbox 13.6%, Open World 11.1%
Why You'll Like It: It expands on the original's physics-based space flight with improved visuals and a greater focus on interstellar travel.
- #17 X4: Foundations
84% 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 26.5% ★, Sandbox 15.2%, Space 15%, Flight 14.3%, Open World 10.2%
Why You'll Like It: It provides a complex, living universe simulation where players can explore, trade, and build empires in a massive, interconnected galaxy.
- #18 Satellite Command
85% 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 19.8% ★, Science 19.7% ★, Space 13.2%, Education 13.2%, Sandbox 12.8%
Why You'll Like It: This simulation focuses on the realistic management and operation of satellites, appealing to those interested in the technical side of space observation.
- #19 Space Simulation Toolkit
84% matchVery Positive81% of 475 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 26.9% ★, Sandbox 26.4%, Space 16.4%, Education 15.6%, Simulation 11%
Why You'll Like It: A dedicated sandbox tool that allows users to experiment with orbital mechanics and space physics in a controlled environment.
- #20 Inspiral: Echoes of Gravity
81% 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 23.3% ★, Space 17.1%, Sandbox 14.3%, Sci-fi 8.6%, Open World 6.8%
Why You'll Like It: This title offers a relaxing, physics-based exploration of space that emphasizes the beauty and scale of celestial bodies.
- #21 Black Hole Simulator
82% matchVery Positive82% of 153 reviews2021
Dev: PanGuoJun
Windows
A simple black hole simulator.
Why similar: Space Sim 25.2% ★, Science 17.5% ★, Sandbox 14.3%, Realistic 8.1%, Sci-fi 7.5%
Why You'll Like It: An experimental project that focuses specifically on the visual and physical properties of black holes, mirroring the scientific visualization aspect of SpaceEngine.
- #22 Archean
81% 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 20.1% ★, Science 20% ★, Sandbox 13.1%, Space 12.6%, Open World 12.5%
Why You'll Like It: A sandbox game that allows for complex programming and building in a space environment, appealing to the technical, creative side of simulation fans.
- #23 Dyson Sphere Program
80% matchOverwhelmingly Positive98% of 90,027 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.2 hrsMean: 75.2 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Space 26.7%, Open World 18.9%, Space Sim 16.2% ★, Sandbox 15.8%, Sci-fi 12.6%
Why You'll Like It: It captures the awe of galactic-scale engineering and resource management in a beautifully rendered, procedurally generated universe.
- #24 Starbase
82% matchMixed56% of 6,702 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 31.3% ★, Open World 19.6%, Space 16.8%, Sandbox 16.1%, Sci-fi 11%
Why You'll Like It: This massive multiplayer space game features a fully destructible universe and realistic physics-based building mechanics.
- #25 Drifter
83% matchMixed54% of 208 reviews2014
Dev: Celsius Game Studios
Windows · Mac · Linux
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
Why similar: Space 21.4%, Sandbox 18%, Space Sim 17.9% ★, Open World 13.7%, Sci-fi 7.2%
Why You'll Like It: It offers a vast, open-world space exploration experience with a focus on trading and survival in a procedurally generated galaxy.
- #26 Starfield
79% matchMixed57% of 170,771 reviews2023
Dev: Bethesda Game StudiosPub: Bethesda Softworks
Windows
Median: 36.0 hrsMean: 72.1 hrs≥1hr: 96%
Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4.
Why similar: Space 29.1%, Open World 25.1%, Space Sim 18.7% ★, Sci-fi 16.7%, Realistic 4.9%
Why You'll Like It: While an RPG, it offers a massive, explorable galaxy with a focus on planetary landing and space travel that complements the exploration aspect of SpaceEngine.
- #27 StarbaseSim
78% 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 24.7% ★, Flight 19.7%, Sandbox 14.7%, Education 9.9%, Space 8.3%
- #28 Rocket Science
79% 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 16.1% ★, Science 16.1% ★, Flight 13%, Space 11.5%, Sandbox 10.4%
- #29 X-Plane 11
77% matchVery Positive93% of 19,836 reviews2017
Dev: Laminar Research
Windows · Mac · Linux
Median: 14.8 hrsMean: 162.9 hrs≥1hr: 91%
The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.
Why similar: Flight 47.8%, Open World 17.1%, Realistic 13.6%, Simulation 11.5%, Sandbox 5.5%
- #30 Microsoft Flight Simulator (2020) 40th Anniversary Edition
77% matchMostly Positive79% of 71,065 reviews2020
Dev: Asobo StudioPub: Xbox Game Studios
Windows
Median: 35.3 hrsMean: 165.3 hrs≥1hr: 98%
From gliders and helicopters to wide-body jets, fly highly detailed and accurate aircraft in the Microsoft Flight Simulator 40th Anniversary Edition. The world is at your fingertips.
Why similar: Flight 44.3%, Open World 22.2%, Realistic 13.9%, Simulation 10.4%, Atmospheric 4.4%
- #31 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 18.9% ★, Space Sim 16.8% ★, Sandbox 14.3%, Space 14.1%, Open World 12.3%
- #32 Orders of Magnitude
76% 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 21.5% ★, Science 16.7% ★, Space 15.1%, Education 13.9%, Simulation 10.3%
- #33 OVERVIEW (A Walk Through The Universe)
78% matchMostly Positive73% of 122 reviews2018
Dev: Orbital Views
Windows
Overview is a mind-changing experience about our position in the Universe. With a narrative and an interactive mode, it features realistic imagery and accurate data to leave you in awe and wonder at the vastness of the Cosmos.
Why similar: Science 24% ★, Space Sim 22.2% ★, Education 17%, Space 14.5%, Sci-fi 6.2%
- #34 Planetary Life
73% matchOverwhelmingly Positive95% of 743 reviews2025
Dev: Sotenbox
Windows
Median: 3.5 hrsMean: 7.9 hrs≥1hr: 86%
Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!
Why similar: Science 28.9% ★, Sandbox 18.4%, Education 11.2%, Procedural Generation 11.1%, Space 9.5%
- #35 Everything
76% matchVery Positive83% of 3,828 reviews2017
Dev: David OReilly
Windows · Mac · Linux
Median: 4.1 hrsMean: 11.9 hrs≥1hr: 79%
Be the Universe in this epic, award-winning reality simulation game - featuring thousands of playable characters, endless exploration, an extraordinary soundtrack and narration from Alan Watts.
Why similar: Sandbox 24.9%, Open World 23.2%, Relaxing 12.6%, Simulation 11.6%, Casual 8.8%
- #36 EVERSPACE™ 2
72% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 27.4%, Flight 27.3%, Open World 23.9%, Sci-fi 13.8%, Simulation 5.9%
- #37 Starship EVO
73% 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 23.2%, Space Sim 19.4% ★, Sandbox 18.5%, Open World 11.7%, Sci-fi 10%
- #38 REAL MOON
70% 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 45% ★, Space 22.8%, Open World 18%, Simulation 12.6%, Singleplayer 1.6%
- #39 Take On Mars
74% matchMixed55% of 2,023 reviews2017
Dev: Bohemia Interactive
Windows
Median: 3.0 hrsMean: 10.5 hrs≥1hr: 87%
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
Why similar: Space 21.3%, Science 19.5% ★, Space Sim 18.6% ★, Sandbox 10.2%, Education 8.5%
- #40 WorldBox - God Simulator
69% matchOverwhelmingly Positive95% of 52,884 reviews2021
Dev: Maxim Karpenko
Windows · Mac · Linux
Median: 9.1 hrsMean: 28.7 hrs≥1hr: 92%
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
Why similar: Sandbox 57.1%, Procedural Generation 15.4%, Simulation 13.8%, Relaxing 10.7%, Indie 2.9%
- #41 Star Explorers
73% matchVery Positive83% of 250 reviews2018
Dev: Schmidt Workshops
Windows
Median: 3.7 hrsMean: 4.9 hrs≥1hr: 80%
Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.
Why similar: Space Sim 27.4% ★, Space 16.3%, Open World 15.1%, Sandbox 12.1%, Procedural Generation 9.9%
- #42 helionaut
71% matchVery Positive95% of 223 reviews2020
Dev: Sokpop Collective
Windows · Mac
An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽
Why similar: Space 24.4%, Open World 19.7%, Sci-fi 16.3%, Procedural Generation 16.2%, Simulation 10.1%
- #43 Space Mechanic Simulator: Prologue
71% matchMostly Positive80% of 64 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Space Mechanic Simulator: Prologue is a story prelude to the full version, which will introduce you to the world of cosmic repairs, greedy corporations, and cutting-edge technology.
Why similar: Space Sim 27% ★, Space 14.7%, Science 13.2% ★, Education 11%, Realistic 9%
- #44 Space Simulator
74% 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 42% ★, Space 38.3%, Simulation 19.7%
- #45 Evochron Legacy SE
72% matchVery Positive83% of 440 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 61%
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Why similar: Space Sim 32.4% ★, Space 17.9%, Sandbox 15.1%, Open World 15%, Sci-fi 11%
- #46 The Universim
68% matchVery Positive80% of 10,483 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 33.9 hrs≥1hr: 89%
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Why similar: Sandbox 26.4%, Space 20.3%, Procedural Generation 12.6%, Open World 12%, Sci-fi 10.7%
- #47 Titans of Space PLUS
70% matchVery Positive94% of 192 reviews2019
Dev: DrashVR LLC
Windows
Just how big is big? Journey through this holographic Solar System, and then squint your eyes in the intense light of a few of the largest known stars. Enjoy various accidentally-educational activities along the way. Great care has been taken to ensure a comfortable VR experience. VR optional.
Why similar: Space 29.5%, Education 27.4%, Science 26.4% ★, Simulation 12.2%, Indie 4.4%
- #48 Earth Analog
70% matchMixed66% of 111 reviews2021
Dev: Funcraft Games
Windows
In this relaxing space flight adventure, you pilot the science vessel Eurisko XI on a quest through deep space. Explore fascinating, fractal-based exoplanets and uncover their mysteries. Analyze artifacts and upgrade your ship to unlock new pathways. Your mission: find humanity’s new home.
Why similar: Space Sim 26% ★, Flight 19.7%, Space 19.6%, Sci-fi 11.1%, Procedural Generation 9.2%
- #49 Celestial Command
71% 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 31.7%, Space Sim 20% ★, Sandbox 19.5%, Sci-fi 11.2%, Simulation 9.1%
- #50 ISS Simulator
67% matchMostly Positive78% of 91 reviews2024
Dev: Spacedata.incPub: 株式会社スペースデータ
Windows
The ultimate space simulator game, precisely modeling the space and space environment inside the International Space Station (ISS).
Why similar: Space Sim 46.7% ★, Space 14.5%, Simulation 14.2%, Realistic 9.5%, Sci-fi 9.1%
- #51 BeamNG.drive
67% matchOverwhelmingly Positive97% of 384,707 reviews2015
Dev: BeamNG
Windows
Median: 9.9 hrsMean: 91.9 hrs≥1hr: 87%
A dynamic soft-body physics vehicle simulator capable of doing just about anything.
Why similar: Sandbox 31.2%, Open World 31.1%, Realistic 23.2%, Simulation 12.5%, Singleplayer 1.9%
- #52 Solar System VR
69% matchMostly Positive74% of 321 reviews2020
Dev: Split Light Studio
Windows
An educational virtual reality journey through space. Be the first space tourist in history and explore planets and moons in our Solar System like never before. You can experience a journey to the Earth's moon, explore Mars, and even see the surface of Enceladus, one of Saturn's moons.
Why similar: Space 32.5%, Education 24.1%, Flight 19.2%, Simulation 11.7%, Realistic 6.1%
- #53 Mix Universe
67% matchVery Positive96% of 106 reviews2023
Dev: Chris ZukowskiPub: Zuko Media LLC
Windows · Mac
Mix Universe is a musical sandbox game where you play as a Mixonaut adding beautiful vibes to the universe. Everything you hear and see is 100% real-time and editable in-game.
Why similar: Sandbox 26.1%, Space 24%, Sci-fi 16.6%, Relaxing 9.3%, Colorful 6.1%
- #54 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 25.5% ★, Science 21% ★, Space 16%, Sci-fi 9.4%, Realistic 8%
- #55 QANGA
66% matchMostly Positive75% of 553 reviews2024
Dev: iolaCorp Studio
Windows
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLabs Industries, and journey through this expansive universe!
Why similar: Space Sim 23% ★, Space 14.1%, Open World 13.7%, Sandbox 12.6%, Futuristic 11.4%
- #56 Empyrion - Galactic Survival
66% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Space Sim 27.8% ★, Space 19.4%, Open World 17.7%, Sandbox 15.8%, Sci-fi 11.4%
- #57 ASTRONEER
66% matchVery Positive92% of 136,711 reviews2019
Dev: System Era Softworks
Windows
Median: 11.7 hrsMean: 44.1 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Space 29.9%, Open World 28.8%, Sandbox 20.6%, Sci-fi 8.9%, Colorful 3.5%
- #58 Stellaris
66% matchVery Positive86% of 191,915 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.5 hrsMean: 142.4 hrs≥1hr: 89%
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
Why similar: Space 33%, Sandbox 22.8%, Sci-fi 19.2%, Futuristic 7.5%, Simulation 7%
