60+ similar titles based on shared tags and player behavior. Themes include Space, Simulation, Space Sim, Sandbox.
In the 23rd century, Earth orbit is flooded with debris from constant warfare. Countries, megacorporations, and mercenaries are fighting for control. Take contracts, build your warfleets, and dominate the Earth-Luna system in this realism-focused strategy RPG!
Solar Expanse - Space Exploration Manager
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. Then go beyond and conquer the galaxy!
Children of a Dead Earth
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
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. Then go beyond and conquer the galaxy!
Why similar: Science 20.8% ★, Space Sim 15.6% ★, Space 13.8%, Sandbox 11.2%, Physics 9.8%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 22.8% ★, Space 20%, Realistic 11.9%, Space Sim 11.5% ★, Simulation 10.5%
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 19.5% ★, Space Sim 16.6% ★, Space 13%, Sandbox 11%, Physics 9.5%
Relativity Wars is a god-type strategy/action game, set in a universe which obeys Einstein’s theories of relativity!
Why similar: RTS 23.6%, Science 16.8% ★, Space Sim 12.4% ★, Space 12.1%, Strategy 10.8%
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 21.5% ★, Space 20%, Space Sim 17.9% ★, Sandbox 13.6%, Physics 11.1%
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 16.6% ★, Space 11.9%, Economy 10.2%, Sandbox 10.1%
Super Space Frogs is a 2D physics-based rocket game. Design, Deploy, and Fly awesome rockets. Unlock new technology to build bigger and better ships. Explore the solar system and unlocks the mysteries it holds.
Why similar: Space Sim 22.1% ★, Wargame 14.6%, Science 14% ★, Physics 11.3%, Sandbox 10.5%
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: Science 20.7% ★, Space Sim 18.2% ★, Space 13%, Sandbox 10.8%, Simulation 10.7%
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
Why similar: Space 24.6%, Space Sim 22.3% ★, Sandbox 11.8%, Economy 11.2%, Sci-fi 8.3%
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 22.8% ★, Space Sim 15.9% ★, Space 13.9%, Sandbox 12.2%, Physics 10.6%
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 17.7% ★, Space 10%, Physics 9.3%, Sandbox 8.7%
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 22.6% ★, Space 17.1%, Sandbox 16.1%, Physics 11.9%, Space Sim 10.5% ★
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% ★, Space 14.9%, Sandbox 14.8%, Science 14.7% ★, Open World 11.5%
X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.
Why similar: Space Sim 23.9% ★, Space 21.1%, Simulation 13.8%, Sandbox 11.1%, Sci-fi 10.3%
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 23.5%, Space Sim 22.8% ★, Sandbox 9.7%, Simulation 8.4%, Tactical RPG 8.1%
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 18.4% ★, Space 13.4%, Sandbox 12.1%, Physics 9.8%
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 25.3% ★, Science 20.8% ★, Space 16.5%, Sandbox 15.8%, Simulation 6.6%
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Why similar: Space 25.6%, Space Sim 18.4% ★, Economy 11%, Sandbox 10.3%, Sci-fi 9.1%
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 29.1%, Space Sim 18.6% ★, Sandbox 13.2%, Simulation 8.7%, Sci-fi 8.4%
Craftia's Defender is a epic open world adventure. Where you fight off invaders and explore the land of Craftia. Do quests, upgrade weapons, plan battles and more.
Why similar: Wargame 19.9%, Strategy RPG 19.6%, Tactical RPG 19.3%, Strategy 11.7%, Tactical 8.8%
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: Science 19.3% ★, Space Sim 18.4% ★, Space 15.6%, Physics 10.9%, Sci-fi 8.7%
The endless expanse of space has never been such a dangerous place. Take command as a Space Fleet Admiral who will face the challenge of galactic war and determine the fate of the universe.
Why similar: Space Sim 27.7% ★, RTS 17.5%, Wargame 15.6%, Strategy 12.4%, Simulation 10.8%
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 31.4%, Space Sim 18.5% ★, Simulation 13.4%, Sci-fi 12.4%, Sandbox 10.4%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Science 19.6% ★, Space Sim 18.5% ★, Space 14.5%, Sandbox 13.5%, Open World 12.5%
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.
Why similar: Space 23.9%, Space Sim 20.1% ★, Simulation 12.3%, Economy 10.2%, Sci-fi 10.1%
Design and build an interstellar mining fleet to strip space of its invaluable minerals, and sell them for a tidy profit. But beware. Your greed will attract the alien. Use warships and defense platforms to protect your fleet at all costs - in real space, in real time.
Why similar: Space Sim 16.9% ★, Strategy RPG 11.3%, RTS 10.9%, Space 10.5%, Sandbox 10.4%
In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.
Why similar: Wargame 23.1%, Space Sim 16.3% ★, Space 16%, RTS 14.7%, Tactical 6.9%
Realistic space flight simulator.
Why similar: Space Sim 21.6% ★, Science 18.5% ★, Space 15.6%, Sandbox 10.3%, Realistic 9.3%
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 22.7% ★, Space 17%, Space Sim 15.1% ★, Physics 12.1%, Sci-fi 9.5%
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
Why similar: Space Sim 18.6% ★, Space 18.5%, Science 16.9% ★, Realistic 9.9%, Sci-fi 9.1%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 31.6% ★, Space 18.5%, Sandbox 14.2%, Physics 13.6%, Simulation 8.3%
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
Why similar: Science 19.7% ★, Space Sim 14.8% ★, RTS 14.5%, Space 13.4%, Economy 9.9%
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Science 19.4% ★, Space Sim 16.5% ★, 6DOF 14% ★, Space 11.3%, Sandbox 11%
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 29%, Space Sim 16.7% ★, Sandbox 16.7%, Simulation 11.7%, Sci-fi 8.6%
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 18.6% ★, Space Sim 14% ★, Space 12.9%, Sandbox 12.2%, Physics 9.7%
HIRED STARS is an isometric single player RTS game in an open, randomly generated sandbox universe. You take control of a small mercenary force. Plunder trade routes, attack pirates, fight the Empire or follow the story. Conquer or buy new ships and equipment. Recruit new captains and level them.
Why similar: Space Sim 20.4% ★, RTS 15.9%, Tactical RPG 15%, Sandbox 10.9%, Space 7.8%
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 24.2% ★, Space Sim 14.9% ★, Space 13.4%, Sandbox 11%, Management 8.4%
This cosmic walking drug enhancer 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: Science 26.4% ★, Space Sim 21.3% ★, Space 14.9%, Sandbox 14.1%, Open World 9.3%
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 27.1% ★, Sandbox 17.8%, Space 13.8%, Simulation 12.9%, Strategy 12.2%
Explore a galaxy of 300 systems as you control your fleet in a top-down 3D style, navigating through Star-lanes, Warp gates, and Black holes. Customize and upgrade your fleet, complete missions, trade, hire your crew, wage war and determine the fate of the galaxy in this grand sim saga.
Why similar: Space Sim 29.7% ★, RTS 13.3%, Space 11.8%, Physics 11.1%, Sci-fi 10.6%
Survive the void in Null Hørizøn. Trade, fight, and explore a retro-futuristic 3D galaxy with 2D sprites. Upgrade your ship, smuggle goods, and travel across the universe. Tactical Real-Time combat meets Grid-based exploration in this atmospheric space sim. The Null Hørizøn calls, Captain.
Why similar: Space Sim 28.2% ★, Tactical RPG 14.5%, Sandbox 13.5%, Space 11.2%, Simulation 9.6%
Manage an interstellar spy business in this strategy game with lunchbreak-length runs. Release your inner math-nerd to manipulate statistical odds for stealing data and technology. Build a galaxy-wide espionage network, partner with megacorporations or sell their secrets to bankrupt them. Profit!
Why similar: Space Sim 17.4% ★, Science 17.3% ★, Economy 11.8%, Space 11.2%, Sandbox 8.5%
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 27.1% ★, Space Sim 20.8% ★, Space 17.4%, Physics 11.4%, Open World 9.4%
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.
Why similar: Space Sim 23% ★, Science 22.4% ★, Space 14.8%, Sandbox 10.8%, Open World 10.7%
Single-player, first-person spaceflight sim. Fly a fast, agile ship through dense asteroid fields. Scan anomalies and sell scientific data at Science Labs—just don’t crash: you’ll lose it. Hack probes and satellites to access hidden secrets, then jump through unstable wormholes before they collapse.
Why similar: Space Sim 22.2% ★, 6DOF 16.5% ★, Space 14.2%, Sandbox 11.8%, Open World 10.2%
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
Why similar: Space 24.9%, Space Sim 12% ★, Economy 10.9%, Management 10%, Science 9.9% ★
Dive into a hardcore space station simulation and overcome the unforgiving environment of space. You must build and manage your station under the pressures of life, economics, and thermodynamics. Rise to power through economic leverage or ruthless military might.
Why similar: Space Sim 26.5% ★, Sandbox 17.6%, Simulation 9.9%, Management 8.9%, Economy 7.3%
Lead a band of mercenaries through battle after battle in this Sci-Fi, turn-based RPG. Fight your way across different planets, earning loot and equipment to outfit your team – and remember, no option is off the table when survival is on the line.
Why similar: Tactical RPG 15.9%, Space 13.6%, Strategy RPG 13.5%, Sandbox 13.1%, Tactical 12.2%
Build, launch and manage realistic space missions across our solar system, placing satellites and telescopes in precise orbits. Explore planets, collect valuable scientific data and sell your findings to expand your rising aerospace empire.
Why similar: Space Sim 28.7% ★, RTS 14.3%, Space 12.6%, Management 10.6%, Simulation 9.4%
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 18.1% ★, Sandbox 14.7%, Space 12.4%, Physics 8.1%
Fight till you can't then fight some more! A space combat simulator with survival crafting elements.
Why similar: Space Sim 24% ★, RTS 16.1%, Sandbox 13.8%, Open World 11.5%, Space 8.6%
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 33.1% ★, Sandbox 20.8%, Physics 18.5%, Simulation 14.8%, Space 12.7%
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 34.9% ★, Sandbox 19.8%, Strategy RPG 10.3%, Open World 8.3%, Space 8.1%
Star Life is a space sandbox RPG where you start on a planet and carve your own path. Develop skills through "learn by doing," influence dynamic economies, schedule your life with the "Life Planner," and face the challenges of space. Balance risk and survival in a universe shaped by your choices.
Why similar: Space Sim 16% ★, Sandbox 14.1%, Economy 13.4%, Strategy RPG 13.1%, Space 10.4%
Ironseed: Lost Chapter is a standalone side story built on the 25th Anniversary Edition engine. Restored from unused lore and expanded quest fragments, it explores events that were hinted at, but never fully realized, in the original Ironseed timeline.
Why similar: Space Sim 26.1% ★, Tactical RPG 21.5%, Strategy RPG 17.9%, Strategy 8.5%, Open World 8.1%
Sequel to a sci-fi exploration game Ironseed written in 1994, continued in Ironseed 2: Consensus, and now in Ironseed 3 : Vigil!
Why similar: Space Sim 25.7% ★, Tactical RPG 21.1%, Strategy RPG 17.6%, Space 8.7%, Strategy 8.3%
Interstellar Inn is a 2D hotel building and management sim in space.
Why similar: Sandbox 20%, Space Sim 18.2% ★, Economy 16.6%, Space 15.7%, Management 10.5%
The existence of all mankind is under threat. You are the only hope!
Why similar: Space Sim 25.8% ★, Science 25.4% ★, Space 20.7%, Simulation 11%, Physics 9.9%
