60+ similar titles based on shared tags and player behavior. Themes include Space, Simulation, Space Sim, Singleplayer.
We have built a mini universe with real physics basis, simulation and imagination. The game uses realistic environments and models to tell a story of a mini universe.
X3: Reunion
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.
Space Crash Simulator
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
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 Sim 34.2%, Space 27.2%, Sandbox 11.8%, Sci-fi 9.6%, Simulation 7.3%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 44.1%, Space 18.5%, Sandbox 12.9%, Simulation 7%, Physics 5.4%
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 36.8%, Space 23.3%, Simulation 12.9%, Sci-fi 11.9%, Sandbox 11.2%
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 51%, Space 21.4%, Simulation 10.7%, Sandbox 9.7%, Physics 4.4%
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 Sim 35.1%, Space 25.8%, Sandbox 9.6%, Sci-fi 9.1%, Simulation 7.6%
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 40.2%, Space 20.7%, Sandbox 14.4%, Simulation 11.7%, Sci-fi 5.5%
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 36.1%, Space 19.9%, Sandbox 11.2%, Flight 8.8%, Simulation 8.6%
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 33.9%, Space Sim 28.1%, Sci-fi 14.1%, Simulation 12.2%, Sandbox 10.3%
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 42.9%, Action RTS 17.8% ★, Space 12.2%, Sci-fi 11.4%, Simulation 4.9%
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 46.5%, Sandbox 19.7%, Space 13.5%, Simulation 12.6%, Physics 7.7%
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Why similar: Space Sim 33.1%, Space 29.2%, Sandbox 11.1%, Simulation 10.2%, Sci-fi 10%
This is an incremental game where you become a cozy destroyer of worlds.
Why similar: Space Sim 43.6%, Sandbox 13.4%, Incremental 12.9%, Space 9.9%, Simulation 9.7%
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 38%, Space 16.9%, Sandbox 14%, Flight 11.9%, Sci-fi 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 48.1%, Education 16%, Space 14.1%, Simulation 13.5%, Physics 4.1%
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 36.3%, Space 21%, Sandbox 18.3%, Simulation 12.8%, Physics 6.3%
In the midst of a seemingly hopeless war among the stars, take control of highly customizable spacefighters to experience classic space combat action throughout a story-driven campaign.
Why similar: Space Sim 54.7%, Space 23.1%, Sci-fi 13.5%, Simulation 7.2%, Singleplayer 1.4%
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 46.7%, Space 18.5%, Simulation 14.4%, Sci-fi 9.3%, Physics 7.7%
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 Sim 31.1%, Space 26.5%, Sci-fi 11.7%, Simulation 11.5%, Sandbox 9.8%
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 40.3%, Sandbox 17.3%, Space 14.7%, Simulation 11.7%, Sci-fi 8.3%
Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?
Why similar: Space Sim 55.2%, Space 23.4%, Simulation 8.9%, Flight 6.5%, Sci-fi 4.2%
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 33.1%, Space Sim 29.5%, Sandbox 13.6%, Sci-fi 10%, Simulation 8.4%
Leaving the formation is a story-driven sci-fi combat simulation based on honest Newtonian flight physics.
Why similar: Space Sim 46.5%, Space 19.5%, Flight 12.9%, Simulation 9.6%, Sci-fi 6.9%
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 Sim 37.8%, Space 31.1%, Sandbox 14.1%, Simulation 8.6%, Sci-fi 7.1%
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 29.2%, Space 16.5%, Sandbox 13.7%, Sci-fi 10.9%, Flight 10%
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 38.7%, Sandbox 15.4%, Flight 13.8%, Space 10.2%, Education 8.8%
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 32%, Space Sim 25.3%, Sandbox 16.5%, Simulation 10.8%, Sci-fi 9.8%
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 44.7%, Space 26.7%, Simulation 11.1%, Education 10.5%, Physics 3.7%
Pilot your ship across a procedurally generated star map as corruption spreads inward. Each sector holds a stabiliser; protect it from raiders and pump energy into its shields. Jump between nodes, prioritise threats, and manage energy. Hold the line until time runs out, or be consumed by corruption.
Why similar: Space Sim 50.2%, Space 27.7%, Sci-fi 8.5%, Simulation 5.2%, Strategy 3.9%
In GravBoost, gravity is your greatest ally and your deadliest foe. Master the art of the gravitational slingshot to intercept orbital targets. Manage your fuel and time wisely in this physics-driven space sim where precision is the only way to survive the cosmic pull.
Why similar: Space Sim 45.1%, Space 13.9%, Flight 13%, Simulation 10.7%, Physics 7.8%
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 Sim 30.1%, Space 30.1%, Sandbox 11.3%, Sci-fi 11.2%, Simulation 8%
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 50.8%, Space 20.6%, Simulation 14.3%, Physics 7.1%, Strategy 3.5%
Caught in the middle of a violent conflict on the fringe of the galaxy — your ability to survive will depend on your piloting skills and combat savvy as a mercenary space fighter. But, as you explore the vastly detailed world of Tachyon: The Fringe, you will often find that the most powerful weapon on your ship is in your head.
Why similar: Space Sim 58.6%, Space 24%, Simulation 17.4%
Our goal is to depict the possibilities of space exploration & combat within a realistic environment- to emphasize the "science" in science-fiction. Key features to include: proper orbital mechanics for all objects in space, detailed ship system control, functionality, inter-dependency & damage reaction.
Why similar: Space Sim 66.7%, Space 17.5%, Simulation 15.8%
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 Sim 30.1%, Space 23.5%, Simulation 13.2%, Education 9.8%, Sandbox 9.1%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space Sim 45.4%, Space 31.8%, Sci-fi 14.7%, Simulation 5.8%, RPG 1.7%
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 41.4%, Space 18.2%, Education 13.7%, Sci-fi 12.4%, Simulation 7.4%
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 40.5%, Sandbox 14.5%, Space 13.9%, Flight 11.2%, Simulation 7.1%
A neutral family fights for its business - and its survival - and is swept up in the struggle against the encroaching Empire. You must defy the strong-arm tactics of a rival family who will stop at nothing to destroy your trading company.
Why similar: Space Sim 57%, Space 26.1%, Flight 7.2%, Sci-fi 5.1%, Simulation 2.9%
You're the only human in a huge, robotic space ship, flying at incredible speeds through deep space. Your mission: find and settle a new planet where humanity can thrive. Combat is inevitable, but you'll need more than flying skills to succeed.
Why similar: Space Sim 42%, Space 21.6%, Flight 18.9%, Simulation 9.6%, Sci-fi 7.3%
Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.
Why similar: Space Sim 43.9%, Sandbox 15.6%, Simulation 12.8%, Space 12.3%, Casual 7.2%
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 47.6%, Space 20.2%, Sci-fi 11.2%, Sandbox 9.2%, Simulation 7.6%
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: Space Sim 32.4%, Space 25.8%, Sandbox 16%, Simulation 7.7%, Education 7.5%
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 39.9%, Space Sim 17.6%, Sandbox 17.2%, Sci-fi 12.5%, Simulation 11.3%
Who needs gas when you've got gravity? Casual space flight enhanced with "borrowed" alien tech! Controller and Keyboard flight support
Why similar: Space Sim 42.5%, Space 12.7%, Simulation 11.9%, Flight 11.3%, Sci-fi 8.7%
Orbital Salvager is a 2D space arcade simulation about mastering orbital mechanics to recover salvage ships from planetary orbit and deliver them to a salvage depot on time. Tether and tow salvage in various orbital patterns, manage fuel, and avoid obstacles in the daily and campaign modes.
Why similar: Space Sim 45.6%, Space 23.6%, Flight 15.4%, Simulation 7.9%, Physics 5.2%
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 53.1%, Sandbox 19.7%, Space 8.8%, Sci-fi 7.3%, Simulation 5.4%
Master physics in this hardcore orbital simulator where Einstein’s theories come to life. Plot trajectories and manipulate spacetime via general relativity, time dilation, and length contraction. Command your starship, outrun time, and explore a universe governed by real physics.
Why similar: Space Sim 48.6%, Flight 16.5%, Simulation 13.7%, Space 13.1%, Physics 3.8%
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Why similar: Space Sim 48.3%, Space 24%, Flight 9.4%, Simulation 8.6%, Sci-fi 8%
The Imperial Navy is called upon to eradicate the last of the rebellion and restore law and order. As an Imperial navy starfighter pilot, you will safeguard imperiled lives thoughout the galaxy. Join the Emperor's cause in eliminating the Rebel uprising as the Empire strikes back!
Why similar: Space Sim 59.8%, Space 28.6%, Flight 6.7%, Simulation 3.1%, Singleplayer 1.9%
Build and upgrade your personal ship to travel around a strange planet.
Why similar: Space Sim 43.8%, Space 19.2%, Sci-fi 12.7%, Simulation 11.7%, Flight 6.2%
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
Why similar: Space Sim 40.4%, Flight 18.3%, Space 16.7%, Sci-fi 11.4%, Simulation 6.8%
Galactic Command Echo Squad SE is a high-end and very challenging space/planetary combat game. It offers a thrilling campaign, instant action combat sessions as well as a sandbox mode allowing you to explore the game's universe while battling hostile Insurgent forces among others.
Why similar: Space Sim 32.6%, Space 18%, Sandbox 13.6%, Sci-fi 11.5%, Flight 11.5%
Will you make the grade and save the planet? Become a cadet on your first day of training in this 3rd person space combat simulator.
Why similar: Space Sim 42.8%, Space 22.5%, Simulation 21.7%, Sci-fi 12.9%
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 41.5%, Education 15.7%, Flight 13%, Simulation 12.1%, Space 9.4%
A co-op starship bridge sim for 6–25 players. Man a station — helm, weapons, sensors, engineering, comms or command — and no one can fly the ship alone. Communicate, coordinate, and survive together.
Why similar: Space Sim 39.3%, Sandbox 16.2%, Flight 12%, Simulation 10.4%, Space 9.8%
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 52.3%, Simulation 14.7%, Education 14.1%, Space 12.8%, Physics 4.9%
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 Sim 35.2%, Space 21%, Sandbox 14.1%, Sci-fi 8.7%, Simulation 7.1%
Realistic space flight simulator.
Why similar: Space Sim 35.3%, Space 18.3%, Flight 13.8%, Sandbox 11%, Sci-fi 9.6%
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 41.8%, Sandbox 17.4%, Space 13.2%, Simulation 12.6%, Sci-fi 8.6%
Realistic simulation of spaceflight in a full sized Solar System, with all the planets and their major moons. using real forces, distances, velocities and time. Chapter 1: The Apollo Days. Incredibly detailed Apollo Program missions starting with Apollo 8 lunar orbit missions.
Why similar: Space Sim 46.4%, Space 33.3%, Simulation 20.3%
