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.
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.
Why similar: Science 20.9%, Space Sim 15.9%, Space 14%, Sandbox 11.1%, Physics 9.4%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 22.8%, Space 20.1%, Realistic 12.1%, Space Sim 11.5%, Simulation 10.3%
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 19.7%, Space Sim 16.6%, Space 13.1%, Sandbox 10.9%, Physics 9.4%
Relativity Wars is a god-type strategy/action game, set in a universe which obeys Einstein’s theories of relativity!
Why similar: RTS 23.9%, Science 16.8%, Space Sim 12.5%, Space 12.2%, Strategy 10.6%
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 21.6%, Space 20.2%, Space Sim 18%, Sandbox 13.5%, Physics 10.9%
Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.
Why similar: Science 19.3%, Space Sim 16.8%, Space 12.1%, Sandbox 10.2%, Economy 9.6%
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 22.2%, Wargame 14.7%, Science 14.2%, Physics 11.2%, 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 18.1%, Space 13.6%, Sandbox 10.7%, Simulation 10.5%
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 22.9%, Science 17.7%, Space 10.1%, Physics 9.1%, Sandbox 8.6%
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 14.1%, Sandbox 12.1%, Physics 10.3%
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 29.1%, Science 27.2%, Realistic 10.9%, Physics 10.5%, Space 8.2%
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 25.1%, Space Sim 22.4%, Sandbox 11.8%, Economy 10.6%, Sci-fi 8.5%
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 17.5%, Space 15.2%, Science 14.6%, Sandbox 14.6%, Open World 11.7%
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: Space Sim 18.8%, Science 18.6%, Space 14.3%, Sandbox 13.3%, Physics 9.7%
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 24.1%, Space 21.5%, Simulation 13.7%, Sandbox 11.1%, Sci-fi 10.5%
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 18.6%, Science 18.4%, Space 12.9%, Sandbox 10.9%, Physics 9.3%
Build spacecraft with a realistic part-based editor and fight multiplayer orbital wars using Keplerian, Newtonian, and patched-conics flight. Engage with lasers, railguns, missiles, and EW in fast, decisive battles shaped by strategy and logistics.
Why similar: Space Sim 28.3%, Wargame 14.1%, Space 13.6%, Simulation 9.1%, Physics 8.9%
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 23.8%, Space Sim 23.1%, Sandbox 9.5%, Simulation 8.1%, Sci-fi 8%
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 25.9%, Space Sim 18.4%, Sandbox 10.5%, Economy 10.4%, Sci-fi 9.2%
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 22.6%, Science 17.8%, Space 13.7%, Sandbox 12.3%, Physics 11.2%
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 25.5%, Science 20.7%, Space 16.6%, Sandbox 15.8%, Simulation 6.4%
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: Science 21.8%, Space Sim 18.6%, Space 13.7%, Sandbox 12.2%, Physics 9.7%
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 20%, Strategy RPG 19.5%, Tactical RPG 19.3%, Strategy 11.5%, Tactical 8.7%
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 29.5%, Space Sim 18.7%, Sandbox 13.1%, Simulation 8.6%, Sci-fi 8.5%
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 22.9%, Space Sim 16%, Space 15.9%, RTS 14.9%, Tactical 6.7%
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 22.6%, Science 18.9%, Sandbox 13.8%, Space 10.8%, Simulation 6.9%
A galaxy with its own economy, its own wars, and no reason to wait for you. Trade, mine, fight, and salvage a living - alone on the rim, or at the head of an empire the great powers can't ignore. A single-player space sandbox that never stops moving.
Why similar: Space Sim 19.9%, Space 15.2%, RTS 13.4%, Open World 10.3%, Sandbox 9.3%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Science 19.8%, Space Sim 18.6%, Space 14.8%, Sandbox 13.2%, Open World 12.4%
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 31.7%, Space Sim 18.7%, Simulation 13.1%, Sci-fi 12.6%, Sandbox 10.3%
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 19.2%, Space Sim 18.4%, Space 15.8%, Physics 10.7%, Sci-fi 8.8%
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 17.8%, Wargame 15.7%, Strategy 12.2%, Simulation 10.5%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space Sim 17.2%, Space 11.1%, Strategy RPG 11%, RTS 10.8%, Sandbox 10.4%
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 24.3%, Space Sim 20.3%, Simulation 12.1%, Sci-fi 10.3%, Sandbox 9.7%
Realistic space flight simulator.
Why similar: Space Sim 21.6%, Science 18.6%, Space 15.7%, Sandbox 10.2%, Realistic 9.5%
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 22.8%, Space 17.2%, Space Sim 15.1%, Physics 11.9%, Sci-fi 9.6%
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 18.7%, Space Sim 18.4%, Science 17%, Realistic 10.1%, Sci-fi 9.2%
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 22.1%, Science 18.3%, Sandbox 16.3%, Simulation 11.9%, Space 9.9%
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 24.4%, Space Sim 15%, Space 13.6%, Sandbox 11%, Management 8.1%
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 19.9%, Space Sim 14.8%, RTS 14.8%, Space 13.6%, Economy 9.3%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 31.7%, Space 18.7%, Sandbox 14.1%, Physics 13.4%, Science 8.1%
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 29.6%, Space Sim 16.7%, Sandbox 16.5%, Simulation 11.5%, Sci-fi 8.6%
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 18.4%, Space Sim 13.8%, Space 13.3%, Sandbox 12.2%, Physics 9.4%
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: Science 26.4%, Space Sim 21.2%, Space 15%, Sandbox 13.9%, Open World 9.4%
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 16.1%, Tactical RPG 15%, Sandbox 10.8%, Space 7.9%
A real-time sandbox strategy game across the vast archipelago of Ravenia, with a new island every play. Lead a faction, raise armies, and seize cities as you evolve through four ages. Prepare for a cosmic crisis that could end everything. Stand against it, or become the crisis itself.
Why similar: RTS 16.3%, Wargame 15.9%, Strategy RPG 15.5%, Tactical RPG 15.1%, Sandbox 12.2%
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 27.9%, Tactical RPG 13.9%, Sandbox 13.5%, Space 11.5%, Simulation 9.5%
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: Science 23.3%, Space Sim 19.6%, Space 17.9%, Physics 15%, Sandbox 12.8%
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 13.5%, Space 11.9%, Physics 10.9%, Sci-fi 10.7%
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 27.2%, Sandbox 17.7%, Space 14%, Simulation 12.7%, Strategy 12%
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 22.5%, Space 14.8%, Open World 10.8%, Sandbox 10.6%
Build orbital factories, mine asteroids & trade with aliens in this deep space strategy game! Research tech, manage production chains, and choose: peaceful trade or combat when mysterious ships arrive. The ultimate industrial space empire simulator!
Why similar: Science 26.8%, Space Sim 16.9%, Economy 12.6%, Sandbox 9.2%, Management 9.1%
The accessible space-sim. Fly, fight, and trade through a galaxy where the prices and borders came from 700,000 days of astropolitical generation that keep ticking.
Why similar: Space Sim 30.6%, Space 18.3%, Open World 12.7%, Sci-fi 9.7%, Sandbox 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: Science 27.1%, Space Sim 20.8%, Space 17.5%, Physics 11.1%, Open World 9.6%
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 22.3%, 6DOF 16.8% ★, Space 14.4%, Sandbox 11.7%, Open World 10.4%
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 27.1%, Space 19.4%, Science 16.8%, Physics 13.1%, Simulation 12.1%
Online multiplayer drone warfare in space. Persistent universe, keeps going when you aren't logged in.
Why similar: Space Sim 24.8%, RTS 15.7%, Wargame 15.4%, Tactical 13.6%, Space 9.7%
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 16%, Space 13.7%, Strategy RPG 13.4%, Sandbox 13%, Tactical 12.1%
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 25.4%, Space Sim 12.1%, Economy 10.3%, Science 10.1%, Management 9.7%
Single-player space strategy about the last ship of a vanished civilization: built to copy itself, no longer able to. Turn dead systems into mines, refineries, and shipyards. Design fleets, command the fights, lose ships, never the factory. Find out what silenced the galaxy.
Why similar: Space Sim 25.6%, RTS 22.4%, Space 20%, Strategy 10.2%, Open World 9%
