60+ similar titles based on shared tags and player behavior. Themes include Space, Space Sim, Strategy, Sci-fi.
3D hard sci-fi grand strategy across a procedural galaxy. Build colonies, forge fleets, and command an interstellar empire with information constrained by the speed of light.
Galaxicus
An MMO experience that's perfect for solo or team play. Join the adventure and become the ultimate Emperor of the galaxy. Conquer Planets, Manage Economies, Optimize Production, Upgrade Technology while exploring a Randomly-Generated Galaxy, and compete Seasonal PVP.
New Stars
Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities.
An MMO experience that's perfect for solo or team play. Join the adventure and become the ultimate Emperor of the galaxy. Conquer Planets, Manage Economies, Optimize Production, Upgrade Technology while exploring a Randomly-Generated Galaxy, and compete Seasonal PVP.
Why similar: Grand Strategy 34.6% ★, Space Sim 25.8%, Space 9.9%, Sci-fi 8.2%, PvE 7.9%
Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities.
Why similar: Grand Strategy 30.1% ★, Space Sim 20.6%, Procedural Generation 9.4%, Space 7.9%, Sci-fi 7.7%
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 44.2%, Space 16.2%, Strategy 13.6%, Sci-fi 8.9%, Simulation 6.7%
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Grand Strategy 31.4% ★, Space Sim 25.8%, Real Time Tactics 7.7%, Simulation 7.2%, Space 6.2%
Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.
Why similar: Grand Strategy 30.3% ★, Space Sim 26.1%, Procedural Generation 9.8%, Sci-fi 8.8%, Space 7%
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 45.1%, Simulation 17.8%, Sci-fi 9.3%, Procedural Generation 9%, Space 7.7%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: Grand Strategy 39.9% ★, Simulation 11.7%, Sci-fi 11.5%, Strategy 11.4%, Space 10.1%
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 37.3%, Simulation 15.7%, Strategy 12.8%, Sci-fi 9.1%, Space 9.1%
Choose your own adventure in this open-world humanity expansion space simulation. Travel beyond the constellations to new frontiers. Explore, collect resources, supply the expansion efforts, or go battle it out spaceshooter style. Do we seek Galaversal Supremacy or peace? You decide !
Why similar: Grand Strategy 32.8% ★, Space Sim 26.2%, PvE 10.5%, Space 7.9%, Simulation 6.9%
A fleet combat and space exploration game. Pilot ships, control a fleet, build and upgrade colonies, mine resources, craft items, trade, upgrade your ships and fleet, carry out missions, board ships, destroy ships and get revenge on the empire that conquered your home planet.
Why similar: Space Sim 30.3%, Grand Strategy 26.6% ★, Sci-fi 11.6%, Space 10%, Procedural Generation 7.7%
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 42.1%, Simulation 18.2%, Strategy 14.5%, Space 9.2%, Sci-fi 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 43%, Simulation 12.5%, Sci-fi 11.7%, Space 9.8%, Strategy 8.2%
Control your aerial and ground units using Real-Time-Strategy, OR switch during battle and join your comrades yourself in high-action dogfights and ground battles in Novastride. Dominate enemy civilizations throughout the galaxy and be the great strategist to lead your nation to victory.
Why similar: Grand Strategy 27.3% ★, Space Sim 18.3%, Sci-fi 9.9%, Space 9.5%, Strategy 7.6%
Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!
Why similar: Space Sim 36.8%, Procedural Generation 14.2%, Sci-fi 12.3%, Space 10.8%, Simulation 8.7%
An idler game where you get to build up the universe from scratch. You are a part of an advanced space civilization that builds universes.
Why similar: Grand Strategy 39.8% ★, Space Sim 31.1%, Simulation 13.5%, Strategy 10.8%, Space 3.5%
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 37.5%, Simulation 19.1%, Space 15.7%, Sci-fi 14.3%, Strategy 11.5%
Civilization was born from a chaotic star system and has been constantly tested in its development, from ancient civilizations to occupying the entire galaxy, which is long and dangerous.
Why similar: Space Sim 33.3%, Grand Strategy 19.9% ★, Space 11.3%, Sci-fi 10.5%, Simulation 8.3%
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 43.6%, Space 20.3%, Sci-fi 16.6%, Simulation 8%, Open World 4.9%
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Why similar: Grand Strategy 28.3% ★, Space Sim 24%, Procedural Generation 11.5%, Real Time Tactics 10.3%, Space 8.4%
Battle of cute animals and cute monsters Evolve into a cuter and more powerful animal with an evolution potion animal strategy game A game that anyone can enjoy
Why similar: Grand Strategy 56.6% ★, Strategy 17.8%, Real Time Tactics 13.7%, Combat 10.8%, Singleplayer 1.1%
Fly a rented ship in a procedurally-generated universe, navigate risky routes, and profit from changing markets before the opportunity disappears and you lose it all. Take jobs, navigate the markets, smuggle, lie. Do everything in order to keep flying.
Why similar: Space Sim 49.9%, Simulation 18.8%, Sci-fi 8.7%, Space 7.1%, Strategy 6.5%
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 54.9%, Sci-fi 16%, Space 15.4%, Simulation 10.5%, Action 1.8%
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 55%, Space 17%, Simulation 13.1%, Strategy 10.1%, Exploration 3.4%
An open-world space exploration game. Explore, trade and fight to rise the ranks, discover new worlds and new species, and leave your mark on the Galaxy.
Why similar: Space Sim 41.7%, Space 14.2%, Procedural Generation 11.2%, Simulation 9.8%, Sci-fi 5.9%
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: Grand Strategy 27.5% ★, Space Sim 25.3%, Space 11.9%, Strategy 8.3%, Simulation 7.6%
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 49.4%, Simulation 20.4%, Strategy 13.6%, Space 13.2%, 3D 2.4%
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 65.8%, Simulation 22.7%, Space 11.5%
Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.
Why similar: Grand Strategy 36.7% ★, Space Sim 15.4%, Sci-fi 10.3%, Space 10.2%, Simulation 9.2%
Engage in the construction of your station from a variety of different modules. Create your space fleet. Protect your base from enemies...
Why similar: Grand Strategy 25.1% ★, Space Sim 21%, Simulation 14.6%, Strategy 12.7%, Space 8.5%
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 43.4%, Strategy 14.9%, Simulation 14.9%, Sci-fi 13.3%, Combat 5.9%
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 39.5%, Simulation 17.3%, Sci-fi 9.6%, Strategy 9.5%, Procedural Generation 9.1%
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 51.2%, Sci-fi 15.6%, Simulation 14%, Strategy 10.4%, Resource Management 3.9%
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 40.9%, Simulation 30.2%, Sci-fi 14.6%, Space 14.3%
A fantasy space agency management game! Manage your team, design your space ship and research new technology! Reach moons, planets and the void beyond. Can you reach the void? Can you bring Galduen to the void?
Why similar: Space Sim 43.5%, Space 15%, Sci-fi 12.1%, Strategy 9%, Simulation 9%
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%, Simulation 25.4%, Space 16%
You are neither a general nor a soldier — you are a Stellar Industrialist. To you, peace is nothing but shutdowns and losses. Venture to the frontlines, strip battlefields for wreckage and salvage, turn spoils into resources, and expand your interstellar arms empire.
Why similar: Space Sim 27.8%, Grand Strategy 25.1% ★, Procedural Generation 11.2%, Sci-fi 9.4%, Space 8.7%
Space combat sim with physics-based gameplay, personalized AI, in-depth loadouts and customization, and wingman dialogue
Why similar: Space Sim 38.2%, Sci-fi 11.7%, Simulation 9.3%, Procedural Generation 9.2%, Space 9%
Command your starship through a galaxy-spanning conspiracy in this real-time tactical roguelike. Manage power, shields, weapons and more. Featuring permadeath progression, seamless portal travel, and intense capital ship combat using Newtonian Physics with Damped Velocity.
Why similar: Space Sim 41.4%, Sci-fi 12.7%, Strategy 11.6%, Procedural Generation 11.5%, Combat 6.9%
As the CEO of a spaceship design company, arrange blocks with different modes and functions to build powerful ships. Use resources from battles to upgrade blocks and acquire new ones through supplies. Strategically enhance your ship to maximize performance and defeat competitors.
Why similar: Space Sim 40.3%, Simulation 17.8%, Strategy 14.2%, Sci-fi 9.7%, Space 8%
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 53.8%, Simulation 22.5%, Space 12.9%, Exploration 5%, Open World 4.8%
Space Strategy. A mix of tower hold games and role-playing action.
Why similar: Grand Strategy 37.3% ★, Space Sim 34%, Simulation 15.4%, Strategy 12.8%, Singleplayer 0.5%
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 38.5%, Space 19%, Simulation 12.4%, Sci-fi 11.9%, Strategy 9.4%
Structura is a rather unique sci-fi real-time strategy set in space. Its a hybrid of rts and fps, with emphasis on combat and survival. Build your economy for war, modify the unit by adding components, explore, expand, and survive the savage waves of enemy attacks.
Why similar: Grand Strategy 36.4% ★, Space Sim 31.8%, Real Time Tactics 8.5%, Strategy 7.6%, Simulation 5.3%
SOOT is a Simulation and Strategy game where you control the terraforming crew of the Ziggurat, a roaming space station that orbits small planets and exploits their resources. Follow Captain Christopher Mason and Lieutenant Ferdinand McCann as they (and you) master the craft of terraforming.
Why similar: Space Sim 35.1%, Grand Strategy 14.9% ★, Real Time Tactics 10.4%, Sci-fi 10.3%, Simulation 9%
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 53.6%, Simulation 20.3%, Space 14.2%, Open World 5.5%, Exploration 5.2%
The Battle of Sol is an intense space action game where you participate in epic capital ship battles, thrilling dogfights, space station raids, and much more as you liberate humanity's solar system from enemies determined to bring us to its fiery end.
Why similar: Space Sim 40.4%, Simulation 24.8%, Space 17.1%, Sci-fi 14.4%, Action 3.3%
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 Sim 30.5%, Space 24.5%, Simulation 19.3%, Sci-fi 18%, Open World 3.1%
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 46.9%, Sci-fi 14.7%, Space 8.9%, Strategy 8.7%, Simulation 7.8%
Fly around a giant futuristic city in a Jetpack, delivering pizzas to people. Upgrade your Restaurant, manage your inventory, upgrade your jetpack, and hire Assistants to fly around delivering pizzas for you! Infinite hours of fun.
Why similar: Grand Strategy 45.9% ★, Simulation 17.1%, Strategy 14.2%, Sci-fi 11.4%, Procedural Generation 5.5%
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 Sim 32.7%, Space 18.5%, Simulation 17.6%, Sci-fi 14.6%, Strategy 10.3%
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 38.9%, Space 20.6%, Sci-fi 12.9%, Simulation 12.1%, Strategy 9.4%
Explore a seamless endless universe with an uncountable number of galaxies, stars, planets, and moons. Make friends or enemies with unique alien civilizations. Research upgrades for your vessel with scientific phenomena and alien tech that you've acquired.
Why similar: Space Sim 42.7%, Procedural Generation 14.7%, Space 9.8%, Simulation 9.1%, Combat 7.6%
Far from Earth, mankind hasn't changed in the centuries since we've reached the stars. Across this wide-open galaxy, you'll find merchants, builders, and explorers. The more adventurous are colonizers, conquerors, and even space pirates. And you, Voyager? What will you be?
Why similar: Space Sim 36.9%, Sci-fi 17.6%, Space 14.7%, Procedural Generation 12.4%, Combat 5.8%
Over 500,000 players on mobile! Sun Wars is a real-time strategy game set in a galactic war between suns. Build and boost your solar system, attack enemy suns, avoid deadly black holes, and manage energy wisely. Only smart tactics and strategy will let you survive and win the war.
Why similar: Grand Strategy 30.8% ★, Space Sim 27.9%, Space 10.8%, Real Time Tactics 10.7%, Sci-fi 5.4%
In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.
Why similar: Space Sim 40.9%, Sci-fi 13.7%, Simulation 11.2%, Space 11.2%, Combat 9.3%
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 58.9%, Space 16.6%, Simulation 13.8%, Sci-fi 5.2%, Action 3.4%
First person space combat and exploration in an open world in a variety of star systems. Pilot ships, fight, run missions and trade.
Why similar: Space Sim 36.3%, Procedural Generation 11.8%, Sci-fi 10.2%, Space 9.6%, Combat 8.3%
Spaceflight add-on for Microsoft Flight Simulator X
Why similar: Space Sim 49.4%, Simulation 32.3%, Space 18.3%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 50.9%, Space 15.5%, Sci-fi 12.4%, Simulation 7.8%, Open World 6.4%
Pandora Galaxy is a PC game. The game is based in space, in the far future, with elements of exploration and trade. The protagonist of the game is a merchant engaged in interplanetary trade, but as the story unfolds, the player can choose the path of an interstellar pirate or a planetary explorer.
Why similar: Space Sim 51.1%, Strategy 19%, Procedural Generation 13.3%, Sci-fi 12.4%, 3D 3.2%
