60+ similar titles based on shared tags and player behavior. Themes include Space, Sandbox, Simulation, Building.
Casual puzzle game on a cosmic scale. Build stars, planets and other cosmic objects. Evolve your cosmos using abilities of the stars from stellar winds to supernova.
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.
Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
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 29.9%, Sandbox 18.3%, Science 17.2%, Space Sim 16.7%, Building 12.6%
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 34.4%, Building 30.5%, Sandbox 24.7%, Top-Down 7.3%, Sci-fi 2.3%
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 48.3%, Sandbox 20.4%, Building 11%, Space Sim 9.5%, Simulation 5.6%
Space Worthy is a survival game focused on building spaceships. You start on a primitive planet, with acient technology, and craft your way into stars! Dig in the ground, smelt metals, build machines, houses, vehicles and spaceships!
Why similar: Space Sim 18.4%, Sandbox 16.6%, Space 14.9%, Building 13.3%, Science 13.3%
Galaxy is on fire! Only you can save it! More than 20 modules and even more weapons and equipment,you can design your own spaceship and defeat the most powerful ships in galaxy!
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 24.4%, Space Sim 23.4%, Sandbox 21.2%, Science 16.3%, Building 9%
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 28.1%, Space Sim 24.3%, Sandbox 19.2%, Building 14%, Simulation 6.6%
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 41.3%, Sandbox 20.9%, Space Sim 14.5%, Building 13.5%, Simulation 5.8%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 27.7%, Space 26.1%, Sandbox 17.9%, Destruction 8.9%, Science 6.1%
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
Why similar: Sandbox 30.4%, Building 25.6%, Space 23.8%, Space Sim 10%, Simulation 5.5%
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 22.2%, Building 17.4%, Space 15.7%, Science 14.7%, Sandbox 12.1%
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: Space 23.9%, Science 19.2%, Sandbox 17.2%, Space Sim 17%, Building 9.4%
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.
Why similar: Space 27.5%, Building 21.6%, Sandbox 21.2%, Puzzle 12.7%, Relaxing 5.1%
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: Space 22.3%, Science 19.3%, Building 17.8%, Sandbox 17.4%, Space Sim 15.7%
A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!
Why similar: Space 23.4%, Sandbox 20.4%, Building 14.9%, Space Sim 14%, Science 13.1%
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 21.6%, Space Sim 18.1%, Science 17.7%, Building 16.7%, Sandbox 15.5%
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 30.9%, Sandbox 16.7%, Space Sim 14.1%, Destruction 10.3%, Building 8.4%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: Space 39.1%, Sandbox 22.9%, Space Sim 12.2%, Top-Down 8.1%, Relaxing 5%
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 31.2%, Building 25.8%, Sandbox 20.4%, Space Sim 14.3%, Simulation 4.9%
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 23.2%, Space Sim 23.2%, Sandbox 19%, Building 18.7%, Top-Down 8%
Design your home in the non-Euclidean world.
Why similar: Sandbox 26.4%, Space 22.9%, Building 21.3%, Family Friendly 5.7%, Simulation 5.1%
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 22.8%, Sandbox 19.3%, Space Sim 18.7%, Science 15.9%, Destruction 6.4%
This digital experience doesn’t ask you for much, it just wants you to come as you are. Bring your favorite edibles, mushrooms, music, and Relax. Consider using it for meditation and reflection. A title perfect for those nights when you want to float off into space and forget about things.
Why similar: Space 22.2%, Science 21%, Space Sim 19.6%, Sandbox 18.7%, Relaxing 4.5%
Extract and gather resources from different planets. Manage the supply of electricity, water, food and oxygen of your base in order to survive. Automate the creation of new products. Build a spaceship to transport your products to other places...
Why similar: Building 34.7%, Sandbox 32.2%, Space 28%, Simulation 5.1%
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 22.4%, Space 21.8%, Sandbox 17.8%, Building 16.6%, Science 15.1%
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 20.1%, Space Sim 18.1%, Sandbox 16.1%, Building 16%, Science 12.1%
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: Space 22.6%, Science 18.2%, Space Sim 17.9%, Building 17.6%, Sandbox 17.1%
Build both simple and complex spaceships, and engage in combat against other players using your creations!
Why similar: Space 36.2%, Building 27.4%, Sandbox 26.4%, Casual 9.9%
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 29.6%, Space Sim 23.8%, Building 19.1%, Sandbox 16.3%, Simulation 5.3%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Space 23.4%, Sandbox 19%, Space Sim 18.3%, Science 16.7%, Sci-fi 4.9%
Sling shot explosive nuclear warheads into collision course with your planetary assassination targets. Using the gravitation of a planet against itself, while navigating your payload around asteroids, moons and even Black Holes for devastating effect!
Why similar: Space 30.9%, Space Sim 25.4%, Puzzle 15%, Top-Down 14.3%, Sci-fi 5.2%
Mine resources, build your spaceship, and soar through the skies in this immersive space sandbox. Wire complex machinery to survive the elements, and craft the StellarDrive: a powerful engine that lets you travel faster than light.
Why similar: Space 29.9%, Sandbox 21.3%, Building 20.4%, Space Sim 16.1%, Destruction 5.4%
Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.
Why similar: Space 20.7%, Space Sim 17.9%, Science 17.7%, Building 16.6%, Sandbox 15.8%
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 25%, Sandbox 19.7%, Space 19.2%, Science 14.5%, Building 14.2%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 38.3%, Sandbox 26.5%, Building 19.3%, Space Sim 9.5%, Sci-fi 4%
Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.
Why similar: Space Sim 24.9%, Sandbox 22.9%, Space 17.7%, Building 17.3%, Simulation 7%
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 34.5%, Space 32.6%, Sandbox 14.5%, Simulation 6.8%, Relaxing 5.9%
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 23.9%, Space 22.3%, Sandbox 20%, Building 11%, Top-Down 10.6%
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 44.8%, Space Sim 24.1%, Sandbox 20%, Simulation 5.1%, Sci-fi 3.2%
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: Space 20.7%, Building 17.6%, Sandbox 17.2%, Science 15.3%, Space Sim 13.5%
Strata is a scientifically inspired astro-planetary sandbox where you influence the formation and evolution of entire worlds — your worlds. Discover, gather, and build on the surfaces of diverse planets, explore them in depth, and manage your systems beyond the orbital levels.
Why similar: Space 23.5%, Sandbox 21.3%, Building 20.8%, Science 17.4%, Space Sim 11.7%
Mine. Build. Survive. Engineer physics-driven ships and self-running factories block by block, mine asteroids and planets, and explore a vast procedural universe — solo or as a fleet with friends. A 2D space sandbox where clever engineering wins.
Why similar: Space 34.4%, Sandbox 24.5%, Building 24%, Space Sim 13.5%, Simulation 3%
Build your ship - go through obstacles - build a bigger ship - profit. SpaceBlocc is a short colorful minimalistic spaceship building game
Why similar: Space 25.3%, Building 20.2%, Space Sim 16.5%, Top-Down 11.4%, Destruction 6.5%
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 28.8%, Space Sim 21.5%, Sandbox 19.1%, Top-Down 8.2%, Relaxing 6%
Master spaceflight and progress through realistic orbital mechanics challenges of increasing complexity. Plot maneuvers to coordinate transfer orbits, gravity assists, and high-stakes rendezvous.
Why similar: Space 33.3%, Space Sim 19%, Top-Down 15.4%, Sandbox 12.6%, Puzzle 11.3%
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 51%, Space Sim 18.8%, Sandbox 15.1%, Simulation 7.6%, Sci-fi 6.7%
A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode. Then wire circuits, test wings in a wind tunnel, or split light through lenses — alone or with friends online.
Why similar: Sandbox 27.5%, Science 26.2%, Building 25.4%, Destruction 5.8%, Relaxing 4.6%
Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!
Why similar: Sandbox 29.1%, Space Sim 26.2%, Space 15.4%, Building 14.9%, Simulation 6.9%
Travel through the solar system in your own spaceship! The motion of each celestial body is accurately reproduced by the Kepler equation.
Why similar: Space 27.3%, Science 22.7%, Building 21.6%, Space Sim 20.3%, 3D 2.9%
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 31.7%, Sandbox 27.1%, Space Sim 24.3%, Simulation 8%, Casual 5.7%
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 22%, Space Sim 19.9%, Sandbox 16.9%, Science 16.9%, Building 16.1%
Master physics in one compelling physics puzzle after another. Aim the launcher and adjust its power, using your understanding of gravity wells to correctly plot their courses in a variety of challenges. Complete a light-hearted story and then test yourself in the endless Expeditions mode.
Why similar: Space 26.8%, Space Sim 23.6%, Science 22.4%, Top-Down 8.8%, Family Friendly 6%
Build your space station, design your own ships, and explore relaxed sci-fi sectors in Astrosphere. Gather resources, research new technologies, and shape your journey through the cosmos at your own pace.
Why similar: Space Sim 22.8%, Space 21.4%, Building 19.2%, Sandbox 15.3%, Top-Down 7.7%
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 24.8%, Space Sim 22.3%, Science 18.7%, Building 15.6%, Relaxing 4.1%
Logos Orbit is an emergent cosmic tuning simulation where you rewrite the "Logos" of an ever-expanding universe to control the collision and equilibrium of stars. Place gravity-altering Sigils to tune the orbits of star systems on the brink of collapse.
Why similar: Space 28.4%, Science 19.9%, Space Sim 19.4%, Sandbox 18.5%, Puzzle 9.7%
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 26.6%, Space Sim 19.4%, Science 17.4%, Sandbox 12.4%, Top-Down 12.1%
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
Why similar: Space 49.6%, Sandbox 20.1%, Space Sim 19.6%, Simulation 5.2%, Sci-fi 4.7%
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 31.3%, Sandbox 21%, Space 13.5%, Science 13.4%, Simulation 5.9%
Curiosmos is a whimsical space sim where you build your own solar system by crafting planets, gravity, atmosphere, and life! Embark on an adventure to discover the secrets of the universe in this charming ode to outer space ✶
Why similar: Sandbox 20.3%, Building 19%, Space Sim 14.7%, Space 14%, Relaxing 6.5%
