60+ similar titles based on shared tags and player behavior. Themes include Space, Simulation, Science, Singleplayer.
A rocket engine design sim with real physics. Wire pumps, injectors and nozzles on a node graph, set the numbers, and test fire. Live graphs and 3D hardware answer every change. Fourteen guided missions with a senior engineer, or free build. Recreate the Merlin 1D, or build one that shouldn't work.
Kerbal Space Program
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.
C-Beams
Pilot your ship through a perilous black hole system in this Space Action RPG. Engage in advanced ship combat, haul rare elements, and upgrade your vessel to survive. Stunning visuals, a deep narrative, and a rewarding progression system await as you uncover the abyss's dark secrets.
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 18.9%, Science 17.9%, Space 14.5%, Sandbox 10.7%, Moddable 9.1%
Pilot your ship through a perilous black hole system in this Space Action RPG. Engage in advanced ship combat, haul rare elements, and upgrade your vessel to survive. Stunning visuals, a deep narrative, and a rewarding progression system await as you uncover the abyss's dark secrets.
Why similar: Space Sim 19.8%, Science 15.5%, Moddable 12.2%, Education 10.3%, Space 9.3%
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 19.9%, Science 18%, Space 10.1%, Sandbox 8.8%, Physics 8.7%
A first-person astronomy simulator built on real astronomical data. Set up, align, and operate your telescope as the sky changes with location, date, and time. Use star charts and bright stars to find targets, then observe the Moon, planets, and faint, distant deep-sky objects through the eyepiece.
Why similar: Space Sim 31.8%, Science 23.6%, Realistic 10.2%, Physics 9.1%, Sandbox 6.5%
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 20%, Space Sim 17.8%, Space 10.7%, Sandbox 10.2%, Moddable 9.4%
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.
Why similar: Science 20.1%, Space Sim 19.4%, Space 11.6%, Sandbox 10.2%, Physics 9.1%
A real-time 3D space simulator and interactive planetarium. Travel to any planet, moon, star, or galaxy and view it from any point in space and time. Accelerate time, land on alien worlds, and expand the universe with community-made add-ons.
Why similar: Space Sim 29.7%, Science 17.3%, Education 14.2%, Moddable 11.3%, Simulation 9.9%
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 19.5%, Science 18.3%, Education 10.8%, Space 10.5%, Sandbox 9.7%
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 27.8%, Science 14.8%, Sandbox 11.4%, Space 9.1%, Physics 6.7%
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 18.9%, Science 17.1%, Education 10.4%, Moddable 10.3%, Automation 8.1%
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 31.6%, Space 18.1%, Science 17.4%, Education 12.8%, Simulation 9.5%
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 29.6%, Science 18.9%, Sandbox 13.8%, Space 13.1%, Moddable 5.7%
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 28.7%, Education 18.8%, Science 18.2%, Simulation 10.2%, Physics 7.9%
A physics sandbox of our Solar System. Fly the planets, change orbits, and watch Earth freeze, boil, or take a hit. Spawn worlds, cross Roche limits, and inspect atmospheres, magnetospheres, rings, and stellar heatmaps.
Why similar: Science 24.8%, Education 19.9%, Sandbox 15.8%, Physics 12.3%, Simulation 12%
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 29.7%, Science 25.6%, Education 17%, Space 12.6%, Simulation 6.5%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 35.7%, Space 14.4%, Sandbox 12%, Physics 11.8%, Science 7.2%
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 26.5%, Science 22.7%, Education 12.5%, Space 11.3%, Sandbox 9.9%
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 24.3%, Science 18.1%, Space 12%, Education 9.1%, Historical 8.4%
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 22.5%, Science 20.9%, Education 14.6%, Space 11.3%, Sandbox 11.1%
Sculpt planets and landscapes, watch water and climate respond, and compare two versions of the same world. Import heightmaps, draw mountain ranges, and export flat terrain to Minecraft Java. Explore Earth, ancient continents and distant worlds at your own pace.
Why similar: Science 23.6%, Sandbox 14.2%, Education 14%, Physics 11.1%, Space 10.2%
A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.
Why similar: Space Sim 27.9%, Science 17.3%, Space 11.5%, Sandbox 11.5%, Physics 10.8%
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 28.4%, Sandbox 16.5%, Space 15.8%, Physics 13.3%, Simulation 12.2%
Dive into a VR universe of knowledge! Explore space, engineer inventions, and journey through Earth's history. Discover, learn, and be amazed.
Why similar: Science 20%, Space Sim 19.8%, Education 14.3%, Choose Your Own Adventure 10.5%, Sandbox 10.3%
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: Space Sim 26.1%, Science 22.4%, Sandbox 11.4%, Education 9.4%, Physics 8.9%
Navigate through a detailed simulation of the solar system, where you can explore planets, moons, and other celestial bodies up close. Access detailed information, images, interactive content, quizzes and even mini-games where you can try to land a space probe.
Why similar: Space Sim 33.6%, Education 18.7%, Realistic 13.4%, Space 12%, Physics 11.2%
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: Space Sim 21.9%, Science 19.6%, Education 13%, Space 10.1%, Sandbox 9.8%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Science 17.3%, Space Sim 16.6%, Moddable 14.3%, Sandbox 11%, Space 10.9%
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Why similar: Space Sim 21.2%, Science 15.7%, Space 14.3%, Automation 11.1%, Moddable 10.7%
A space sim where you build the industry that produces your rockets, then fly them. Genuinely integrated orbits, aerodynamics solved part by part, procedural planets you can walk. From first mine to first interstellar flight.
Why similar: Space Sim 25%, Automation 16.7%, Sandbox 12.2%, Physics 11.7%, Realistic 10.9%
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 23.3%, Science 19.4%, Space 12.7%, Sandbox 12.4%, Education 12.3%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 25.6%, Space 19.5%, Space Sim 16.4%, Realistic 14.6%, Simulation 10.9%
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 39.1%, Education 22.5%, Simulation 13.3%, Space 11%, Physics 9%
A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.
Why similar: Space Sim 30.6%, Science 18.7%, Physics 9.5%, Space 9.2%, Sandbox 8.6%
Build machines, trigger chain reactions, and throw planets at each other. SPS combines flowing particles with rigidbody physics at scales from centimeters to thousands of kilometers. Run that experiment you've always wanted without burning down your house.
Why similar: Space Sim 28.1%, Science 14.6%, Sandbox 13.4%, Education 12%, Simulation 10.4%
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 23%, Science 15.2%, Sandbox 14.5%, Space 13.6%, Simulation 9.7%
Build a robot from real parts — solenoids, gears, connecting rods — wire it up, and figure out why it won't turn yet. Nothing here is faked: the current is really computed, and every breakdown has a cause you can find.
Why similar: Science 22.4%, Education 21.1%, Automation 16.6%, Sandbox 14.3%, Physics 9.7%
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 23.8%, Space Sim 18.5%, Automation 15.1%, Space 11.4%, Sandbox 10.2%
This program simulates astrophysics, allowing the creation of stellar systems in the void and the experience of being one of the celestial bodies.
Why similar: Science 29.6%, Education 20.9%, Physics 15.3%, Space 13.5%, Simulation 8.4%
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 38.5%, Sandbox 18.7%, Physics 17.1%, Simulation 12.7%, Space 11.2%
Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.
Why similar: Space Sim 34.7%, Space 17.1%, Sandbox 14.3%, Simulation 12.3%, Physics 12%
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.
Why similar: Space Sim 25.6%, Education 15.2%, Sandbox 11.8%, Automation 10.5%, Space 9.4%
This is a serious game. Made for educational purposes. It was made in order to enable students to understand the high school chemistry curriculum and to provide equality of opportunity.
Why similar: Science 28.7%, Education 24.9%, Sandbox 14.9%, Physics 11.6%, Simulation 10.8%
Take to the skies in this spaceflight simulator where you have control over every aspect of your orbital journey. Build a rocket and its control panels, steer your spacecraft to stay on its flight path, manage resources and explore the solar system using realistic physics and propulsion systems.
Why similar: Space Sim 32%, Space 16.7%, Science 13.4%, Sandbox 13.2%, Physics 11.2%
Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.
Why similar: Science 21.6%, Space Sim 18.1%, Education 15.1%, Space 12.8%, Physics 8.6%
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 27.9%, Science 21.5%, Space 13.2%, Realistic 8.8%, Physics 8.2%
Explore the real Solar System and thousands of star systems. Watch Phobos dash through the Martian sky or observe a sunset on a planet with multiple suns. Accelerate time, compare planet sizes, and visit scientifically grounded stars and exoplanets—in VR or on desktop.
Why similar: Science 27.5%, Space Sim 22.2%, Education 19.2%, Space 13.1%, Realistic 6.6%
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 30.1%, Space 16.6%, Education 15.5%, Physics 14%, Simulation 8.1%
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 26.7%, Space Sim 25.9%, Space 14.9%, Physics 10.9%, Building 6.5%
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 45%, Space 18.1%, Simulation 11.5%, Physics 10.5%, Sandbox 9.8%
Take your place at the tactical station of a spaceship and face a brutal war in the near future for control of the outer planets in this realistic space warfare simulator. Choose your side and lead your ship into battle, maneuvering and fighting according to the laws of orbital mechanics.
Why similar: Space Sim 33.7%, Science 16.5%, Space 16.5%, Physics 12.8%, Simulation 11.3%
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 23.9%, Sandbox 18.4%, Physics 16.4%, Education 13.9%, Simulation 11.1%
Design your own solar systems and enjoy watching them orbit, collide and smash each other in a cosmic dance!
Why similar: Science 26.5%, Space Sim 21.3%, Education 16.5%, Sandbox 14%, Space 10.4%
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
Why similar: Space Sim 20.8%, Science 19.4%, Simulation 12.6%, Sandbox 11.1%, Physics 9.2%
Realistic space flight simulator.
Why similar: Space Sim 28%, Science 19%, Space 13.9%, Realistic 10.5%, Sandbox 10%
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: Space Sim 24.4%, Science 20.2%, Space 14.3%, Physics 11.2%, Sandbox 8.1%
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 28%, Education 20.8%, Space Sim 20%, Space 15.3%, Realistic 6.3%
Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.
Why similar: Space Sim 23.5%, Science 23.3%, Education 15.1%, Space 13.5%, Physics 11.4%
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 23.8%, Space Sim 23.2%, Automation 13.2%, Sandbox 11.9%, Space 11.9%
