60+ similar titles based on shared tags and player behavior. Themes include Space Sim, Simulation, Space, Singleplayer.
A 2D space trading game with a real economy. NPC ships haul cargo between 78 stations and prices move whether you're there or not. Good routes die as other traders catch on, so you keep hunting new ones. No quest markers, no "best trade" arrows. Just you, a map, and the prices.
Starscrip
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.
Port Aphelion
Port Aphelion is a trading-simulation and adventure game where players build their economic empire through honest trade, smuggling, bounty-hunting, or all-out piracy!
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 39.3%, Simulation 12%, Sandbox 9.7%, Space 8.9%, Exploration 6%
Port Aphelion is a trading-simulation and adventure game where players build their economic empire through honest trade, smuggling, bounty-hunting, or all-out piracy!
Why similar: Pirates 20.2% ★, Sandbox 13.1%, Economy 12.3%, Simulation 10.7%, Space Sim 10.4%
Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.
Why similar: Space Sim 41.2%, Simulation 16%, Sandbox 15.9%, Exploration 7.8%, Pixel Graphics 5.4%
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 44%, Simulation 22.8%, Exploration 8.7%, Space 6%, Atmospheric 4.7%
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 34.7%, Simulation 23.3%, Sandbox 13.5%, Space 11.6%, Economy 9.7%
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 44.9%, Sandbox 21.3%, Exploration 10.3%, Simulation 8.7%, Space 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 42.7%, Sandbox 23.1%, Simulation 22.2%, Space 6.6%, 2D 3%
Fly a rented corporate vessel in a procedurally-generated universe, navigate risky routes, 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 45.4%, Simulation 22.5%, Economy 10.9%, Space 5.2%, 2D 4.6%
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
Why similar: Space Sim 26.6%, Sandbox 16.5%, Simulation 15.8%, Pirates 14.1% ★, Space 12.4%
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 35.4%, Sandbox 16.7%, Simulation 12.2%, Space 8.3%, Exploration 5.2%
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 38.8%, Simulation 21.6%, Sandbox 17.7%, Space 10.6%, Exploration 5.7%
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 Sim 34.1%, Sandbox 15.1%, Space 14.4%, Simulation 14%, Economy 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 49.8%, Simulation 20.1%, Sandbox 12.1%, Space 11.1%, Atmospheric 4.9%
Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?
Why similar: Space Sim 28.6%, Sandbox 19.8%, Simulation 13%, Exploration 10.3%, Space 8.7%
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 37.6%, Simulation 20.8%, Sandbox 20.5%, Space 7.3%, Sci-fi 4.7%
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 39.2%, Sandbox 16%, Simulation 15.8%, Economy 8.7%, Exploration 7.1%
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 27.5%, Simulation 22.9%, Space 17.6%, Sandbox 12.8%, Sci-fi 8.3%
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 36.8%, Simulation 21.2%, Sandbox 19.5%, Space 6.1%, Economy 4.9%
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.
Why similar: Space Sim 26.7%, Pirates 19.2% ★, Sandbox 11.7%, Simulation 9%, Space 7.4%
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
Why similar: Space Sim 25.1%, Sandbox 21.5%, Simulation 16.6%, Space 12.4%, Open World 5.7%
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 48.8%, Simulation 26.9%, Exploration 9.5%, Space 9.4%, Open World 5%
Fight, salvage and trade across the moons and rings of a solar system nobody can leave. Take what you can carry. Read what the dead left behind. Everything you do is remembered.
Why similar: Space Sim 41.8%, Simulation 22%, Space 9.2%, Exploration 8.3%, Sci-fi 5.6%
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%, Sandbox 14.8%, Simulation 11.4%, Space 8.6%, Exploration 6.7%
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 35.8%, Sandbox 17.1%, Space 15.6%, Simulation 15.6%, Open World 5.5%
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Why similar: Space Sim 25.9%, Simulation 15.1%, Sandbox 13.4%, Space 13.1%, Sci-fi 6.6%
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 62.8%, Simulation 28.5%, Space 8.7%
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 48.9%, Simulation 24.4%, Space 10.3%, Exploration 9.9%, Open World 5.8%
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 38.8%, Sandbox 17.7%, Simulation 10.9%, Exploration 7.8%, Space 7.1%
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 30%, Simulation 21.2%, Space 13.5%, Sandbox 12.1%, Economy 9.9%
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 39.7%, Sandbox 20.7%, Simulation 11.8%, Space 9.7%, Exploration 7%
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Why similar: Space Sim 36%, Sandbox 17.4%, Simulation 10.7%, Space 7.9%, Top-Down 6.7%
Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it.
Why similar: Space Sim 39.3%, Sandbox 17.4%, Economy 11.5%, Simulation 8.2%, Open World 5.7%
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%, Simulation 24.4%, Sandbox 23.2%, Space 11.1%, 2D 3.6%
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 55.9%, Simulation 31.9%, Space 12.1%
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 33.7%, Sandbox 16.1%, Space 9%, Exploration 7.2%, Top-Down 6.4%
Perihelion lets you run your own rocket engine shop. Take over an abandoned desert airfield, design realistic, unique engines, then test them!
Why similar: Space Sim 39.1%, Sandbox 25%, Simulation 21%, Space 5.4%, Atmospheric 3.7%
Weird Wormholes is a casual game about traveling through wormholes to try and get back home. Use your ship to mine planets for resources and process these resources into components to enable your travels.
Why similar: Space Sim 40.7%, Sandbox 21.5%, Economy 9.4%, Exploration 8%, Top-Down 6.7%
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 41.3%, Simulation 23%, Sandbox 18.7%, Space 6.1%, Exploration 6.1%
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 32.6%, Sandbox 16.7%, Simulation 12.6%, Space 10.3%, Exploration 5.7%
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 53.6%, Simulation 17.3%, Space 13.2%, Exploration 6.9%, Economy 6.4%
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 Sim 29%, Space 17.3%, Sandbox 17.1%, Simulation 15.8%, Economy 7.9%
Fly real astrodynamics from an Apollo-era DSKY. Plan Lambert transfers, mine asteroids, build a fleet, and survive a 38-body solar system where every trajectory is solved from Kepler's equation. No autopilot, no cheating.
Why similar: Space Sim 43.6%, Simulation 21.7%, Exploration 8.6%, Space 6.2%, Sci-fi 4.8%
47 million probes were launched into the void. Yours just found something alive. A living universe simulation where evolution never stops — not even when you do.
Why similar: Space Sim 29.8%, Simulation 21.2%, Sandbox 18.6%, Procedural Generation 8.1%, Sci-fi 7.3%
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 41.6%, Simulation 24.8%, Sandbox 22.6%, Sci-fi 5.1%, 2D 3.9%
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 29.3%, Space 15.5%, Simulation 14.9%, Sandbox 14.1%, Economy 11.5%
Spaceflight add-on for Microsoft Flight Simulator X
Why similar: Space Sim 46.3%, Simulation 40%, Space 13.7%
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 38.6%, Sandbox 15.6%, Simulation 13.9%, Space 8.4%, Exploration 8%
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 28.5%, Simulation 22.4%, Sandbox 15%, Space 11.3%, 2D 4.9%
Calling Home is an exciting sci-fi simulation resource management game that draws heavily from games in the factory-building and exploration genres, providing a thrilling mix of building your base, researching, factory management, puzzle solving, exploration, and resource gathering.
Why similar: Space Sim 38.7%, Sandbox 19.7%, Simulation 13.8%, Exploration 7.8%, Top-Down 7%
Explore a scientifically grounded version of our solar system in this 2D space adventure. Mine asteroids, fight hostile ships, navigate the cold silence between worlds, and choose your place among rival factions.
Why similar: Space Sim 38.6%, Sandbox 18.6%, Simulation 13.8%, Top-Down 7%, Exploration 6.8%
Take the reins of the newly founded Office of Interstellar Production, annex newly discovered star systems, mine resources and refine quality components to build mighty warships to deliver to the unceasing needs of the Navy. A chill sandbox resource management game.
Why similar: Space Sim 40.1%, Simulation 21.7%, Sandbox 10.6%, Sci-fi 6.3%, Resource Management 5.8%
A real-time open-world space exploration game. Your ship and crew lost in a sector in chaos. Befriend the local residents. Explore, scavenge, research, craft, upgrade. Take command of your ship and crew, survive, solve the mystery of the dark sectors and get your crew home.
Why similar: Space Sim 28.5%, Simulation 13.4%, Space 10.2%, Exploration 8.8%, Sci-fi 8%
Trade, fight and explore. Build a fleet, level your captain and dive through wormholes for rare loot — a single-player 2D space RPG of free corsairs.
Why similar: Space Sim 41.1%, Pirates 17.1% ★, Economy 8.9%, Space 8.7%, Simulation 7.4%
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 41.1%, Simulation 39.9%, Space 11.5%, Sci-fi 7.5%
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 37.8%, Sandbox 19.9%, Simulation 19.1%, Exploration 7%, Space 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 56.8%, Simulation 14.4%, Space 12.7%, Sci-fi 8.5%, Atmospheric 5%
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 34.7%, Simulation 20.4%, Space 16.2%, Sandbox 14.8%, Sci-fi 6.3%
A first-person sci-fi cargo flight sim. Pilot a physics-driven lander, plan risky routes, manage fuel and heavy cargo, and save deliveries by repairing system failures mid-flight. Earn credits and upgrade your ship.
Why similar: Space Sim 36.8%, Sandbox 16.3%, Simulation 11.5%, Economy 9.9%, Exploration 6.4%
Interstellar Inn is a 2D hotel building and management sim in space.
Why similar: Space Sim 29.2%, Sandbox 18.1%, Simulation 13.4%, Economy 12.7%, Space 7.9%
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 49%, Space 11.9%, Simulation 9.8%, Sandbox 8.5%, Exploration 7.4%
