60+ similar titles based on shared tags and player behavior. Themes include Space Sim, Simulation, Space, Open World.
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.
Space Travellers
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!
Univoyager
Experience a 1:1 scale, procedurally generated universe with seamless exploration from planets to stars. Journey across the cosmos with zero loading screens and realistic Newtonian physics. Trade, fight, and survive in a post-apocalyptic galaxy where gravity is your only boundary.
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 29.6%, Procedural Generation 11.1%, Open World 10.5%, Sandbox 10.2%, Space 10.2%
Experience a 1:1 scale, procedurally generated universe with seamless exploration from planets to stars. Journey across the cosmos with zero loading screens and realistic Newtonian physics. Trade, fight, and survive in a post-apocalyptic galaxy where gravity is your only boundary.
Why similar: Space Sim 29.4%, Flight 11.7%, Open World 10%, Procedural Generation 9.3%, Sandbox 8.1%
Explore unique star systems in AGOS: A Game of Space! Scavenge resources, face the danger of space and save humankind.
Why similar: Space Sim 38.3%, Immersive Sim 10.4%, Flight 8.9%, Open World 8.7%, Simulation 7.4%
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 24.9%, Crafting 14.9%, Sandbox 14.9%, Space 11.2%, Exploration 9.1%
Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?
Why similar: Space Sim 23.5%, Open World 10%, Sandbox 9.9%, Flight 9.7%, Space 9.2%
Rebuild civilization from the first flame! As last pioneer, build a home on a wild alien planet. Reignite civilization from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.
Why similar: Space Sim 25.8%, Sandbox 17.4%, Open World 13.5%, Space 12.9%, Crafting 11.2%
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 33.6%, Sandbox 18.9%, Immersive Sim 10.6%, Simulation 9.7%, Crafting 7.4%
Spiritus Astrum is a persistent, open-world roleplaying sandbox with multiplayer support. It features an infinite, procedurally generated universe which players are free to explore without restriction. Spiritus Astrum is more than a game, it is a world.
Why similar: Space Sim 27%, Procedural Generation 12.2%, Sandbox 10.6%, Crafting 10.1%, Space 9.9%
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 33.5%, Flight 15.2%, Sandbox 14.6%, Immersive Sim 10.2%, Space 6.9%
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 25.2%, Sandbox 15.3%, Open World 14.2%, Space 12.2%, Flight 9.6%
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 25.8%, Space 17.7%, Sandbox 13.8%, Open World 11.7%, Crafting 8.9%
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 32.7%, Sandbox 14.9%, Flight 12.8%, Simulation 8.8%, Immersive Sim 8.5%
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 45%, Sandbox 18.4%, Exploration 10.5%, Open World 9.1%, Space 5.8%
Explore the pixel cosmos, jumping from star system to star system. Land on fully procedural planets, and make them your home.
Why similar: Space Sim 27.1%, Crafting 15.2%, Sandbox 14.9%, Space 11.7%, Open World 9.1%
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 34.4%, Sandbox 14%, Flight 13.9%, Space 12%, Open World 6.4%
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 46.1%, Simulation 13.4%, Space 13%, Open World 11.4%, Exploration 9.1%
A first-person space sim set in the real solar system at true scale, with every planet where it actually is today. Dock at the ISS, take contracts, survey planets, mine moons, haul cargo and fight pirates across genuine interplanetary distances as you rise from cadet to major.
Why similar: Space Sim 44.6%, Open World 15.3%, Space 14.7%, Simulation 7.5%, Exploration 7.3%
Eat a snack while you watch an entire planet burn in your image.
Why similar: Space Sim 21.5%, Sandbox 14%, Crafting 11.8%, Immersive Sim 11.3%, Space 9.2%
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 30.4%, Flight 13%, Open World 10.4%, Immersive Sim 9.6%, Procedural Generation 9.6%
The top-down space sim. Fly, trade, and fight in a galaxy shaped by simulated history, where production, freight, and war reshape a living economy.
Why similar: Space Sim 41.1%, Open World 14.3%, Space 13.7%, Sandbox 8.8%, Simulation 6.6%
A space sim where you build the industry that produces your rockets, then fly them. Genuinely integrated orbits, aerodynamics solved part by part, procedural planets you can walk. From first mine to first interstellar flight.
Why similar: Space Sim 28.4%, Sandbox 13.3%, Space 9.8%, Crafting 9.7%, Procedural Generation 8.4%
Space Hauler is a space flight sim set around Saturn's largest moon, Titan. Fly your spacecraft using realistic aerodynamics and orbital mechanics, take on contracts, and build your career as a pilot-for-hire.
Why similar: Space Sim 36.2%, Flight 15.3%, Open World 9.9%, Immersive Sim 9.8%, Space 7.6%
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 46.1%, Space 14.4%, Open World 13.2%, Simulation 12.2%, Exploration 9.5%
Starlight Brigade is a realistic space action-adventure game with a precise combat system and full 6DOF controls. You command the Wayfarer, an aging light cruiser centuries past her time. Plot missile salvos, hunt down your enemy, design munitions, manage your crew, and send engineers to fix damage.
Why similar: Space Sim 28%, Flight 16.1%, Sandbox 14%, Space 11.9%, Immersive Sim 11.1%
A space sim survival where each decision costs power. Every system drains your dying reactor. Pilot a crippled spacecraft across a real-scale solar system using true orbital mechanics, manage critical systems, scavenge for resources, while you try to uncover why humanity seems to have disappeared.
Why similar: Space Sim 24.7%, Space 15.5%, Simulation 11.3%, Sandbox 11.3%, Exploration 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 38.8%, Space 15.6%, Sandbox 15.3%, Simulation 11.5%, Crafting 10.7%
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 34.9%, Flight 20.2%, Space 11.3%, Immersive Sim 7.9%, Open World 6.6%
Build, crash, rebuild! Explore new planets in co-op multiplayer with your fully modular spaceship made from whatever bolts together long enough to fly. Mount giant thrusters, annoying cables, and everything in between. Complete wild missions, face the dangers of space and argue with your crew!
Why similar: Space Sim 37.8%, Sandbox 15.5%, Flight 13.4%, Open World 7.1%, Procedural Generation 6.9%
A bright afternoon, perfect weather. With your parents away, you’re left with a rocket toy you received as a birthday gift. Build your own rocket and launch it high into the sky! Enjoy delicious homemade meals and work part-time jobs to upgrade your rocket. Can your rocket reach outer space?
Why similar: Space Sim 34%, Crafting 15.3%, Sandbox 12.1%, Immersive Sim 11.4%, Open World 8.7%
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 46.2%, Simulation 12.7%, Open World 9.4%, Procedural Generation 9.4%, Space 9.3%
Mardori is a spaceshooter game with aspects of ARPG's. Upgrade your ship with various materials from missions, craft your equipment with damage or defense mods., create new weapons using blueprints, unlock new missions with Stargate.
Why similar: Space Sim 34.4%, Crafting 20.2%, Flight 14.5%, Space 14.3%, Simulation 8.1%
Experience an epic story in this open-world space exploration RPG. Stranded far from home in a region torn apart by war, you must scavenge, research, and craft what you need to survive as you chart a course through dangerous sectors, uncover rival alien agendas, and search for a way home.
Why similar: Space Sim 25.5%, Open World 13.9%, Sandbox 12.7%, Space 11.6%, Crafting 10.8%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Space Sim 30.1%, Flight 14.2%, Sandbox 12.8%, Space 11%, Procedural Generation 7.3%
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 36.5%, Sandbox 14.4%, Flight 12.9%, Space 9.8%, Open World 8.5%
In this multiplayer game you have to explore the Solar System in real scale. Control spaceships of the near future, explore planets, moons and asteroids, mine resources, fight for space domination and build the future of the universe.
Why similar: Space Sim 27.5%, Sandbox 12.1%, Flight 11.2%, Open World 11%, Space 10.8%
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 38.8%, Space 15.5%, Open World 10.9%, Procedural Generation 10.1%, Exploration 10.1%
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 38.4%, Sandbox 17.3%, Space 13.9%, Crafting 8.7%, Exploration 6.9%
Gravity and exploration sandbox
Why similar: Space Sim 31.8%, Sandbox 12.9%, Space 11.7%, Procedural Generation 9.3%, Immersive Sim 8.5%
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 35%, Open World 15.1%, Sandbox 14.6%, Space 11.4%, Crafting 9.2%
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 27.4%, Open World 15.3%, Sandbox 14%, Space 12.1%, Flight 11.9%
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.
Why similar: Space Sim 38.8%, Sandbox 17.7%, Simulation 10.8%, Exploration 7.8%, Space 7.1%
"Sirius-4" is a plot-oriented space simulator that gives the player complete freedom of action as a hired pilot of the "Sirius" unit. The action takes place on the outskirts of human space during a turbulent time for the galaxy after a global war.
Why similar: Space Sim 38.1%, Flight 17%, Simulation 11%, Space 10.9%, Open World 8%
Galactic Simulator 3 is a space exploration and evolution sim inspired by the Fermi Paradox and Great Filter theory. Scan uncharted star systems, gather resources and samples, establish outposts and stargates, and witness the rise and fall of civilizations across an ever-evolving galaxy.
Why similar: Space Sim 37.5%, Procedural Generation 13.7%, Space 13.5%, Sandbox 12.9%, Simulation 7.6%
Humanity is gone, but the machines never stopped producing, and now there's cargo to move. As a robot space trucker, you’ll jump between systems, navigate astronomical planetary distances, upgrade your junk-hauler, and keep the galaxy's commerce alive. People may be gone but the job's never done!
Why similar: Space Sim 38.1%, Flight 16.8%, Immersive Sim 11%, Simulation 10.2%, Space 7.1%
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 38.6%, Sandbox 18.2%, Simulation 11.3%, Space 11%, Open World 10.6%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 23%, Space Sim 21.5%, Open World 19.9%, Sandbox 15%, Exploration 11.2%
A first person building game where every problem is solved with pipes.
Why similar: Space Sim 40.7%, Sandbox 18.5%, Immersive Sim 9.9%, Simulation 8.4%, Exploration 8.2%
Realistic space flight simulator.
Why similar: Space Sim 31.6%, Flight 15.8%, Space 12.8%, Sandbox 10.8%, Immersive Sim 7.2%
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 18.5%, Space 18.4%, Open World 13.8%, Procedural Generation 9.5%
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 32%, Sandbox 17.1%, Procedural Generation 15.5%, Simulation 10.8%, Space 8%
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 36.7%, Space 15.8%, Sandbox 12.5%, Crafting 12.3%, Flight 11.4%
Space. Ships. Resources. Trading. Production. Combat. Mine ore, haul cargo, and find profitable trade routes. Buy and capture ships, build your fleet, construct stations, and develop your production. Start with your first ship. Build your empire!
Why similar: Space Sim 38.2%, Open World 16.8%, Crafting 15.1%, Space 12.6%, Flight 10.4%
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: Space Sim 27.8%, Sandbox 13.2%, Flight 12.9%, Space 12.2%, Open World 10.4%
After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?
Why similar: Space Sim 36.5%, Sandbox 15.9%, Crafting 12.6%, Space 7.8%, Exploration 7.7%
WarpedSpace is a sci-fi survival adventure game set in deep space. A massive, open environment full of wonder and peril awaits you!
Why similar: Space Sim 29.7%, Crafting 14.6%, Open World 12.8%, Sandbox 10.9%, Space 10.3%
First person single player 3D Sci-Fi adventure in space
Why similar: Space Sim 37.8%, Immersive Sim 13.9%, Open World 11%, Exploration 10.4%, Procedural Generation 10.2%
Inspired by Space Station 13! Live a chaotic life on a Space Station: grow plants, mutate them into new types of plants, mix different chemical reagents, get out and explore outer space to acquire space credits by mining minerals on asteroids. Play on desktop or in VR.
Why similar: Space Sim 31.5%, Sandbox 14.1%, Crafting 12.3%, Open World 10.5%, Procedural Generation 9.8%
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 35.6%, Space 22.2%, Sandbox 13.6%, Open World 9.3%, Flight 9%
The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.
Why similar: Space Sim 29.6%, Flight 14.6%, Open World 13.6%, Space 11.9%, Sandbox 9.1%
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 45.9%, Space 16.5%, Open World 16.1%, Exploration 7%, Sandbox 6.9%
