60+ similar titles based on shared tags and player behavior. Themes include Space Sim, Space, Simulation, Singleplayer.
Simulate being a celestial body in an open universe, using the rules of relativity and astrophysics to plunder mass and gradually evolve from a gas cloud into a planet, a star, or even a supermassive black hole.
Space Atlas: The Solar System
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.
Don't Lose Your Ship
Step aboard your starship and prepare for an intergalactic showdown in Don’t Lose Your Ship, a fast-paced, team-based 2D multiplayer game that combines strategy, coordination, and chaos. This game pits two teams against each other in a battle for supremacy on a grid-based map.
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 44.8%, Simulation 17%, Education 14.4%, Realistic 9.7%, Physics 9.4%
Step aboard your starship and prepare for an intergalactic showdown in Don’t Lose Your Ship, a fast-paced, team-based 2D multiplayer game that combines strategy, coordination, and chaos. This game pits two teams against each other in a battle for supremacy on a grid-based map.
Why similar: Space Sim 40.2%, Real Time Tactics 24.9%, Strategy 14%, Action 9.1%, Top-Down 6.8%
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 46.4%, Simulation 17.8%, Physics 14.5%, Strategy 13.1%, Space 8.2%
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 27.9%, Simulation 16.5%, Physics 14.4%, Education 10.8%, Minimalist 10.4%
There is nothing in void. Discorver new things in this empty place, and give them your own meaning. In this quiet space where converge to zero, Can you find a miracle?
Why similar: Collectathon 27.1%, Space Sim 24.2%, Physics 12.9%, Minimalist 11.4%, Simulation 8.7%
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 44.1%, Real Time Tactics 14.8%, Simulation 11.9%, Physics 9.1%, Strategy 8.7%
Explore every star system, orbit numerous stars, maneuver to various planets, and survive asteroids the longest aboard countless miniaturized rockets in Rocket Hit.
Why similar: Space Sim 54.1%, Minimalist 20.7%, Top-Down 10.7%, Physics 9.6%, Space 4.9%
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 50.1%, Simulation 19.4%, Open World 11.8%, Realistic 10.8%, Space 7.9%
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 43.3%, Physics 16.8%, Simulation 13.9%, Minimalist 10.4%, Top-Down 9.8%
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 47.7%, Education 18.9%, Simulation 18.1%, Physics 9.1%, Space 6.1%
Come with us now on a journey through music and space... To the world of VOYAGER ◯∘ A minimalist, relaxing & atmospheric experience to chill out to for a while…
Why similar: Space Sim 33.8%, Abstract 14.9%, Minimalist 14.4%, Philosophical 12.7%, Physics 9.6%
Orbitous is an action roguelike where every object has gravity. Every planet, moon, star, enemy, projectile, is attracted to one another. Nothing is stationary in this procedurally generated galaxy. Fly between star systems, build weapons, and fight enemies.
Why similar: Space Sim 44.6%, Action Roguelike 20.1%, Open World 10.7%, Physics 8.2%, Space 6.3%
Set off into space on your personal spaceship and rescue all the lost catstronauts! Navigate through flying obstacles while managing fuel and health. Don’t forget to watch your ship’s weight — it affects your maneuverability. Enjoy a relaxing gameplay experience with pixel art and cozy cosmic vibes!
Why similar: Space Sim 33.5%, Action Roguelike 19.3%, Physics 12.1%, Open World 10.7%, Top-Down 7.9%
Captain your own starship in this 2D, open-world space-sim. Command your crew as you explore, trade, mine, smuggle, steal and fight your way across the milky-way galaxy with real-time, tactical combat.
Why similar: Space Sim 39.9%, Real Time Tactics 22.8%, Open World 14.2%, Simulation 9.8%, Strategy 8.6%
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 41.6%, Simulation 16.2%, Strategy 14.7%, Open World 10.8%, Action 10.1%
Star Defence is a unit-placement real-time tower defense game in which you can place any unit you like on a 2D free-form plane. All units in the game, including enemies, are composed of units you place. Place your units in a balance between enemies and allies to develop your civilization.
Why similar: Space Sim 30.5%, Real Time Tactics 26.8%, Roguelite 10.4%, Top-Down 9.6%, Simulation 7.1%
Delicate, immortal. You and your friends are Traipsers. Dance from moons to planets to stars. Fish for glimmers of data in impossible places with ancient tools. Witness the ashes of the Universe's birth and the throes of its death alike. A cooperative, playful space sandbox experience.
Why similar: Space Sim 31.2%, Philosophical 18%, Collectathon 16.7%, Abstract 13.9%, Open World 9.5%
Doppelganger is a a top-down tactical space game. Command your ship, route power to critical systems, and outsmart enemy fleets. Earn points to upgrade your weapons and defenses.
Why similar: Space Sim 39.2%, Real Time Tactics 22.3%, Minimalist 11.9%, Simulation 10.3%, Action 9.7%
GeoLight is an endlessly replayable arena roguelite action-packed experience with tight, responsive controls and a focus on high-stakes decision-making. You are not just surviving. You are evolving.
Why similar: Space Sim 32.3%, Action Roguelike 17.8%, Abstract 12.9%, Minimalist 11.5%, Roguelite 9.3%
Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.
Why similar: Space Sim 33.8%, Real Time Tactics 24.1%, Strategy 11.3%, Physics 10.8%, Space 8.8%
PlanetDrop - A Tiny Space Adventure is a computer game where you command a spaceship in an orbit of a planet. Your primary task is to capture "drop zones" with your shuttles and commandos. You rely on stealth, agility and speed, rather than on firepower.
Why similar: Space Sim 39.7%, Real Time Tactics 21.2%, Simulation 14.6%, Minimalist 11.6%, Action 9.7%
A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.
Why similar: Space Sim 33.2%, Real Time Tactics 18.9%, Strategy 13.7%, Simulation 13.1%, Minimalist 10.9%
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 69.7%, Simulation 22.3%, Space 8%
Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.
Why similar: Space Sim 27.6%, Action Roguelike 20.9%, Physics 12.6%, Roguelite 12.3%, Top-Down 7.8%
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Why similar: Space Sim 58.5%, Simulation 13.3%, Space 11.9%, Strategy 11.1%, Action 5.3%
Dangerous is an epic 3D open and living world space combat RPG sandbox with an immersive and riveting story. Are you the feared war criminal who will destroy all life or the savior of the universe? Gather your wingmen and travel the galaxy in search of answers.
Why similar: Space Sim 34.5%, Simulation 16.7%, Open World 15.3%, Strategy 15.1%, Space 9.4%
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 Sim 31.5%, Minimalist 17.9%, Physics 15.8%, Logic 10.8%, Space 8.9%
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 48.6%, Simulation 19.5%, Strategy 17.1%, Physics 7.8%, Space 6.9%
Physics-based space combat where every battle escalates into chaos. Destroy ships, star bases, and hyperspace carriers before they overwhelm you.
Why similar: Space Sim 34.1%, Action Roguelike 22.4%, Simulation 14.6%, Roguelite 9.9%, Action 9%
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 51.1%, Simulation 21.3%, Physics 18.8%, Space 8.8%
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 55.6%, Simulation 19.6%, Open World 15.1%, Space 9.7%
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 48.7%, Physics 11.8%, Strategy 9.3%, Simulation 7.5%, Open World 7%
Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.
Why similar: Space Sim 36.3%, Real Time Tactics 22.3%, Strategy 10.2%, Roguelite 9.7%, Space 8.5%
This is a simple simulator that simulates the formation of life through simple physical rules. Here, you can define different balls with physical properties, let them affect each other, and then form something similar to life. !!! If you want to restart, click the settings button and click Play!!!
Why similar: Space Sim 26.2%, Education 15.1%, Open World 11.9%, Nature 10.2%, Physics 9.6%
Experience the thrill of live space operations by controlling various Research, Experimental, and Demonstration (RED) spacecraft to accomplish real world tasking. The first mission is SpaceCowboy ADR (Active Debris Remediation). Clean up dangerous debris to earn ADR bucks and refuel to stay alive.
Why similar: Space Sim 36.4%, Education 17.7%, Physics 13%, Open World 11.8%, Space 8.5%
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 41.8%, Physics 10.9%, Open World 10.2%, Simulation 8.9%, Strategy 8.3%
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 36.2%, Physics 13.9%, Simulation 9.9%, Space 9.4%, Abstract 9.3%
Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!
Why similar: Space Sim 35.3%, Real Time Tactics 17.8%, Minimalist 13.5%, Simulation 11.5%, Strategy 10.2%
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 48.5%, Simulation 16.3%, Education 13.5%, Space 12.6%, Physics 9.1%
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 63.3%, Simulation 25.4%, Space 11.3%
Gravity and exploration sandbox
Why similar: Space Sim 37.6%, Education 13.6%, Physics 9.5%, Open World 9.1%, Simulation 8.9%
A Cosmic twist on a Suika-style game with space gravity. Help our little friend Sputnik on his journey to become the Sun.
Why similar: Space Sim 47.9%, Strategy 17.3%, Minimalist 15.5%, Logic 7%, Physics 7%
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 43.3%, Education 19.4%, Simulation 17%, Physics 9.9%, Realistic 6.1%
Embark on humanity’s greatest journey to the Moon with Lunaris. Take on the role of an astronaut navigating NASA’s Apollo missions, from the roaring launch of Saturn V to stepping on the lunar surface. Experience the triumphs, challenges, and legacy of space exploration in this immersive simulator.
Why similar: Space Sim 47.2%, Simulation 19.4%, Education 12.3%, Realistic 8.2%, Physics 5.2%
Command four space vessels and a band of revolutionary pirates into an all-consuming battle against impossible odds, because there just isn't enough Space for everyone!
Why similar: Space Sim 53.8%, Simulation 29.4%, Action 16.8%
Command your chess army in this real-time rougelike tactics game and defeat the enemy pieces in mission after mission. Unlock powers and abilities, collect resources, craft items, bolster your army and defend your King at all cost or you will have try from square one again!
Why similar: Real Time Tactics 32.2%, Action Roguelike 21.6%, Abstract 20.2%, Roguelite 12.6%, Strategy 9.8%
Zero-Point is a 3D space roguelike featuring tactical ship-to-ship combat, crew command and an immersive view of your ship's interior. As Captain of a Star Federation cruiser, lead your crew and ship to victory over the rebellious Galactic Liberation Front!
Why similar: Space Sim 38.3%, Real Time Tactics 23.8%, Roguelite 12.1%, Strategy 8.8%, Simulation 8.5%
Roguelike where even enemies, bosses, and their attacks are randomly generated. Beat enemies and take the weapons they were using! With 1-4 players, find and beat bosses in the open world and advance towards the source of the chaos! High difficulty, but adjustable. Completely free!
Why similar: Abstract 29.2%, Action Roguelike 27.8%, Open World 13.3%, Minimalist 12.3%, Top-Down 10.9%
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 61.8%, Simulation 13.4%, Action 13.4%, Space 11.4%
In a dystopian spacefaring future, mankind struggles to maintain their humanity. Take control of devastating spacecrafts, upgrade their loadouts and offer justice to the highest bidder. Become a space-traveling mercenary. Become the VOIDHUNTER.
Why similar: Space Sim 36.9%, Action Roguelike 19.2%, Open World 13.4%, Roguelite 11.1%, Space 8.1%
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 43.1%, Simulation 11.8%, Education 11.6%, Realistic 8.5%, Open World 7.9%
Devices Disruptive Offense Simulator (D.D.O.S.) is a physics-based 1v1 combat game where you setup and distribute malicious devices to smash, shoot, blast and electrocute the hostile servers till they get denial-of-service.
Why similar: Real Time Tactics 22.4%, Physics 18.3%, Minimalist 17.2%, Strategy 14.2%, Abstract 12.2%
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 60.2%, Simulation 17.1%, Physics 11.7%, Space 11%
Fight in space or on the planets, or just travel the universe. Visit cities and buildings, mine resources, trade with or speak to individuals on the planets. Explore and discover. Buy a new ship, fit upgrades, and hire a whole army of crew!
Why similar: Space Sim 34.6%, Open World 14.6%, Action Roguelike 12.6%, Strategy 8.7%, Space 8.6%
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 41.6%, Space 13.5%, Simulation 12.5%, Strategy 10.4%, Open World 8.5%
Mighty Math is a mind bending fusion of arcade survival and brain training all in one. Collect numbers to survive each round. As you collect numbers you will change the player value. You must maintain a player value between 0 and 9, anything else is instant death.
Why similar: Collectathon 29.7%, Strategy 19%, Minimalist 16.5%, Education 14.6%, Action 12.4%
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 53.7%, Physics 19.9%, Simulation 19.7%, Space 6.8%
Master orbital navigation to protect Earth in this atmospheric space simulation, where careful timing, experimentation, and patience matter more than quick reactions.
Why similar: Space Sim 44.9%, Physics 16%, Space 10.7%, Minimalist 10%, Strategy 9.4%
Welcome to the galaxy of technologies! It feels very good that it keeps getting closer and closer to ordinary people
Why similar: Space Sim 39.5%, Real Time Tactics 21.3%, Abstract 17.8%, Minimalist 11.8%, Action 5.7%
Destroy or be destroyed. Missile Wars is a high-pressure arms race where players must defend their asteroid from enemy missile strikes while investing in crucial tech upgrades to gain the upper hand.
Why similar: Space Sim 43.5%, Real Time Tactics 27.1%, Strategy 14.6%, Action 9.5%, Space 5.3%
