60+ similar titles based on shared tags and player behavior. Themes include Space, Simulation, Physics, Science.
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.
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: Science 16.3%, Space Sim 15%, Space 14.3%, Simulation 8.9%, Sandbox 8.9%
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 15.2%, Science 13.6%, Space 9%, Moddable 7.7% ★, Building 7.2%
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 17.5%, Space Sim 13.5%, Space 10.2%, Building 9%, Sandbox 8.1%
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 17.4%, Space Sim 16.2%, Space 10.9%, Building 9.3%, Sandbox 8.4%
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 19.9%, Space Sim 16.7%, Space 12.6%, Sandbox 9.2%, Physics 8.7%
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 23.7%, Science 17.5%, Space 13.2%, Sandbox 11.7%, Simulation 9.2%
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 25.7%, Simulation 17.5%, Science 17.1%, Space 8.8%, Moddable 8% ★
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 26.3%, Space 19%, Science 16.7%, Simulation 16.4%, Education 6.9%
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 23.5%, Science 14.4%, Simulation 10.3%, Sandbox 10.1%, Space 9.7%
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 22.9%, Science 16.1%, Building 10.5%, Simulation 9.1%, Space 8.7%
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 15.3%, Space Sim 12.7%, Space 10.4%, Building 9.7%, Moddable 9.1% ★
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 22.2%, Science 15.8%, Space 11.5%, Building 9.7%, Physics 9.6%
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 17.6%, Simulation 15.2%, Science 13.4%, Space 13.1%, Sandbox 11.6%
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 26%, Simulation 18.9%, Space 16.1%, Sandbox 11.2%, Physics 10%
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 19%, Science 17.1%, Space 12.4%, Sandbox 10.6%, Simulation 9.7%
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: Simulation 19%, Science 16.4%, Space Sim 15.3%, Sandbox 8.6%, Space 8.3%
Design real rocket engines with real physics, no black boxes. You're an underpaid engineer at Mecodyne, building engines that fire only if they'd work for real, without regard for your safety. A serious engineering sim that teaches by doing. Built solo.
Why similar: Science 18.1%, Space 12.3%, Space Sim 12.3%, Sandbox 10.6%, Physics 10.1%
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 24.4%, Simulation 21.2%, Sandbox 14.1%, Physics 11.7%, Education 11%
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 23.7%, Simulation 20.9%, Space 16.5%, Sandbox 14.4%, Physics 12.3%
Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.
Why similar: Science 19%, Space Sim 18.3%, Space 11.3%, Building 9.9%, Sandbox 8.7%
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 24.8%, Simulation 17.3%, Space Sim 16.3%, Sandbox 12.7%, Building 8.9%
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
Why similar: Sandbox 18.6%, Building 17%, Simulation 16.5%, Space 14.3%, Physics 13.6%
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 31.2%, Simulation 21.1%, Sandbox 15.8%, Physics 15.4%, Space 10.9%
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 31.2%, Science 26.5%, Simulation 10.3%, Physics 9.9%, Space 7.6%
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 18.2%, Building 16.6%, Space Sim 15.6%, Simulation 14.2%, Sandbox 12.1%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 24.3%, Space 20.3%, Simulation 18.6%, Space Sim 13.5%, Sci-fi 8.6%
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 27.6%, Simulation 14%, Space 13.8%, Physics 13.8%, Education 10.9%
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 26.5%, Science 26.2%, Space 14%, Simulation 11.9%, Education 9.7%
A planet-building sandbox where you create entire worlds from the ground up. Generate unique planets, shape vast landscapes, and use interconnected simulations inspired by real-world processes to bring your fantasy planet to life.
Why similar: Space Sim 22.3%, Simulation 18.5%, Science 16.7%, Sandbox 12.9%, Space 8.5%
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 19%, Simulation 18.2%, Sandbox 15.3%, Physics 14.5%, Space 10.9%
Lead a spaceyard: juggle contracts, design, prototype, and build all types of ships—from single-seat fighters to giant cruisers. Create custom vessels to meet precise client specs, then take the helm yourself to prove their worth.
Why similar: Space Sim 25.3%, Space 16.8%, Simulation 15%, Building 11.9%, Physics 11%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 32.1%, Space 16.2%, Simulation 12.7%, Physics 11.8%, Sandbox 11.3%
A simulation sci-fi game where players take on the role of the project manager of a space elevator project. They will progressively achieve project phase goals and ultimately accomplish the ultimate goal of constructing a Mars colonization spacecraft.
Why similar: Space Sim 30.1%, Simulation 22.4%, Space 11.9%, Building 10%, Exploration 6.5%
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: Science 18.5%, Space Sim 17.9%, Building 9.8%, Space 8.7%, Moddable 8% ★
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 24.5%, Space Sim 20.7%, Space 14.9%, Building 13%, Physics 9.7%
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 30.8%, Simulation 18%, Sandbox 13.2%, Space Sim 11.3%, Sci-fi 9%
Based on true Newtonian Physics, n-body VR immerses you in a deep space, 4D playground of sight and sound with your HTC Vive. This unique new experience promises to be fun and interesting to generations of space-time enthusiasts.
Why similar: Simulation 33.2%, Science 29%, Space 16.1%, Physics 12.6%, Indie 9.1%
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 24.4%, Space 16.9%, Simulation 13.5%, Physics 12.6%, Building 12.2%
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 19.4%, Science 18.5%, Space 14.3%, Physics 9.9%, Sci-fi 7.9%
It’s 2D golf on an astronomical scale. Bite-sized missions will teach you the techniques of real space flight, without having to worry about fuel or crew. Precisely plan orbital trajectories over the moons of Mars, through the rings of Saturn, and boldly go where no golf ball has gone before.
Why similar: Science 17.6%, Space Sim 16.4%, Space 13.3%, Physics 9.4%, Simulation 9.1%
Build ships from scrap and fly them in a gritty space sim. Venture solo or team up. Hunt for parts, haul vital resources, and keep your space agency afloat.
Why similar: Science 17.1%, Space Sim 13.5%, Space 11.9%, Building 10.4%, Moddable 9.8% ★
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: Science 21.5%, Space Sim 20.1%, Space 12.7%, Sandbox 10.4%, Simulation 10%
Design custom rockets and master 2D orbital mechanics to navigate a fully simulated solar system. Establish outposts, process local resources to launch interplanetary missions, and manage critical supply lines to keep your colony's workforce alive.
Why similar: Space Sim 24.1%, Science 18.3%, Sandbox 11.6%, Simulation 11.3%, Space 9.8%
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 21.5%, Space Sim 15.7%, Space 15.3%, Simulation 11.7%, Physics 10.8%
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 21.3%, Space Sim 18.5%, Simulation 14%, Sandbox 9%, Sci-fi 8.8%
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 23%, Science 20.3%, Space 13.6%, Simulation 10.4%, Building 9.4%
The existence of all mankind is under threat. You are the only hope!
Why similar: Space Sim 25.7%, Science 23%, Space 17.8%, Simulation 16.5%, Physics 8.4%
Take to the stars and explore the solar system. Master the orbital mechanics of N-body physics. Plot a careful course to complete your mission.
Why similar: Space Sim 34.5%, Simulation 24.3%, Space 16.8%, Physics 14.4%, Strategy 5.5%
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 34.1%, Simulation 24%, Education 10.3%, Space 10.1%, Physics 9.5%
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 37.7%, Simulation 19.8%, Space 19%, Physics 9.7%, Sandbox 8.6%
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 20.4%, Science 19.6%, Space 13.9%, Sandbox 11.4%, Sci-fi 8.6%
Land the craft without crashing. Oh, and you only get one burn!
Why similar: Simulation 19.1%, Science 17.6%, Space Sim 17%, Space 10.6%, Physics 9%
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 29.2%, Simulation 21.9%, Space Sim 20.1%, Sci-fi 11.4%, Sandbox 8.8%
You are a Scraponaut, create your own spaceplane with unique parts each affecting the way your plane behaves. Collect scrap while exploring procedurally generated islands, unlock and discover unique new parts to upgrade your spaceplane.
Why similar: Space Sim 27.1%, Space 14.5%, Building 12.8%, Simulation 12.2%, Sandbox 12%
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 34.3%, Simulation 24.1%, Education 12.7%, Space 12.1%, Physics 8.7%
Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.
Why similar: Space Sim 33.1%, Simulation 16.7%, Science 15%, Sandbox 12%, Space 7.6%
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 33.3%, Simulation 25.7%, Physics 16.3%, Space 15.9%, Sci-fi 7.5%
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 28.7%, Simulation 20.7%, Sandbox 14.8%, Space 12.6%, Sci-fi 6.7%
