60+ similar titles based on shared tags and player behavior. Themes include Simulation, Space Sim, Sandbox, 3D.
MOSS Becoming Human is an AI science game where players develop and deploy AI agents to build a Martian civilization. Customize, evolve, and test AI in various modes, shaping diverse outcomes. Agents can also interact with the real world, including social platforms like X.
Piperspace
A first person building game where every problem is solved with pipes.
Space Trucker
Space Trucker is a "realistic" space simulator where you fly your cargo ship to different places within the solar system. Configure your ship, maneuver for departing and docking, plan your high speed flight, and execute it all without breaking space rules - or killing yourself!
A first person building game where every problem is solved with pipes.
Why similar: Space Sim 39%, Sandbox 18.1%, Simulation 14.6%, Immersive Sim 8.8%, Exploration 5.5%
Space Trucker is a "realistic" space simulator where you fly your cargo ship to different places within the solar system. Configure your ship, maneuver for departing and docking, plan your high speed flight, and execute it all without breaking space rules - or killing yourself!
Why similar: Space Sim 49.2%, Simulation 19.7%, VR 13.5%, Immersive Sim 10.6%, Futuristic 6.9%
Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.
Why similar: Space Sim 34%, Simulation 16.4%, Life Sim 16.1%, Sandbox 15.7%, Immersive Sim 8%
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 38.4%, Sandbox 21.6%, Simulation 19.9%, Immersive Sim 11%, Realistic 5.9%
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 44.9%, Simulation 16.8%, Sandbox 15.3%, Exploration 6.1%, Massively Multiplayer 5.6%
NOW HIRING: Station Manager! Run a totally-legit* space biz in Sector 7-G. Farm alien crops, refuel shady ships, and sell dangerously edible snacks. Perks: gloves, oxygen insurance**, and mild relevance. No exp needed. Apply today! *Legit status not valid in all sectors. **Terms apply.
Why similar: Space Sim 43.3%, Simulation 16.8%, Sandbox 14.7%, Life Sim 13.3%, Immersive Sim 7%
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 37.5%, Life Sim 18.6%, Sandbox 13.3%, Immersive Sim 11.9%, Simulation 10.2%
X Rebirth VR Edition is tailored to be an immersive VR experience, based on X Rebirth: Home of Light. TRADE, FIGHT, BUILD, THINK in the X Universe - the biggest sandbox this side of the galaxy.
Why similar: Space Sim 49.2%, Simulation 20.5%, VR 19.3%, Sandbox 8.7%, Sci-fi 2.3%
Boötes is a Space Sim where you get to jump on astroids. Collect Crystals, Unlock New Abilities, Find Secrets to Unlock New Suits, and Much More. You are all alone in The Boötes Void where you find mysterious crystals that can help fuel your space shuttle so you can visit the Cold Dark.
Why similar: Space Sim 53.3%, Simulation 16.3%, Immersive Sim 8.9%, Futuristic 8.1%, Exploration 6.7%
Build and manage your own space company. Design missions, launch satellites, and expand your influence across Earth’s orbit.
Why similar: Space Sim 37.7%, Simulation 21.2%, Sandbox 17.6%, Immersive Sim 10.8%, Futuristic 5.5%
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 39.2%, Sandbox 13.8%, Simulation 11.8%, Immersive Sim 9.9%, Realistic 6.9%
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 51.5%, Sandbox 21.4%, Simulation 9.6%, Exploration 8.5%, Futuristic 4.8%
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 51.7%, Simulation 25.9%, Exploration 7.3%, Futuristic 7%, 3D 4.2%
Explore unique star systems in AGOS: A Game of Space! Scavenge resources, face the danger of space and save humankind.
Why similar: Space Sim 49.4%, Simulation 17.4%, Immersive Sim 12.5%, VR 11.7%, Realistic 4.8%
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 38.3%, Simulation 18.7%, Sandbox 17.7%, Immersive Sim 9.2%, Futuristic 5.4%
Start from a poor wedding venue and rise to become the top wedding organizer in town! Greet clients, host henna nights and wedding events, manage food and music, collect gold, upgrade your hall. Wedding Hall Simulator lets you run the business your way!
Why similar: Simulation 22.8%, Life Sim 22.3%, Sandbox 20.1%, 3D Platformer 12.7%, Immersive Sim 10.4%
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 40.2%, Sandbox 14.3%, Simulation 14%, Immersive Sim 8.9%, Futuristic 7.8%
Step into the cockpit of creativity in AeroSpace Engineering | Sandbox – the ultimate physics-based simulation where your imagination meets the laws of aerodynamics.
Why similar: Space Sim 31.8%, Life Sim 20.5%, Simulation 19.1%, Sandbox 16.4%, Realistic 5%
Explore the Solar System! Stand next to the Sun and gain perspective for the true vastness of space beyond our home planet. You're in control of this virtual orrery. Fast-forward and rewind time itself as you highlight planetary orbits and discover a bit more about your nearest celestial neighbors.
Why similar: Simulation 41.6%, Space Sim 41.6%, VR 16.8%
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 50.6%, Simulation 25.4%, Sandbox 24%
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 69.6%, Simulation 30.4%
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 30.7%, Simulation 19.7%, Sandbox 18.9%, VR 8.9%, Immersive Sim 5.5%
Rogue Stargun is an action-packed space combat sim where you pilot 5 unique starfighters with interactive VR cockpits in a story-driven single player campaign consisting of over 24 unique missions covering both land and space.
Why similar: Space Sim 46.4%, Simulation 19.9%, VR 16.6%, Futuristic 5%, Sci-fi 4.7%
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 40.7%, Sandbox 18.1%, Simulation 14.3%, Realistic 7.8%, Futuristic 6.2%
Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!
Why similar: Space Sim 36.1%, Sandbox 15.1%, Simulation 12.1%, Immersive Sim 7.6%, Realistic 6.9%
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 50.9%, Massively Multiplayer 10.7%, Simulation 9.9%, Sandbox 7.8%, VR 6.6%
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 43.5%, Simulation 21.3%, Immersive Sim 11.7%, Artificial Intelligence 9.2%, Realistic 5.8%
Fight, start a family, upgrade your home, climb and fly!
Why similar: Life Sim 23.9%, Simulation 21.9%, Sandbox 19.1%, 3D Platformer 15.3%, Immersive Sim 10.7%
A small game about running a floating pizzeria in deep space. Serve customers, earn credits, and upgrade your equipment—nothing more, nothing less.
Why similar: Space Sim 35.4%, Simulation 27.3%, Life Sim 22.3%, Immersive Sim 10.1%, 3D 4.9%
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 41.7%, Sandbox 18.6%, Simulation 15.6%, Immersive Sim 11.9%, Realistic 6.8%
Ensure the moon is safe for humanity’s lunar settlement! Explore the moon as a Lunar Rover and interact with crashed ships, natural resources, and the nearby landmarks to determine if humans can live here!
Why similar: Space Sim 44%, Sandbox 15.4%, Simulation 13.6%, Immersive Sim 9.9%, Realistic 9%
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 46.3%, Simulation 25%, Sandbox 18.6%, Exploration 4.9%, Sci-fi 2.6%
Realistic space flight simulator.
Why similar: Space Sim 36.5%, Simulation 14%, Sandbox 12.7%, VR 10.7%, Realistic 7.9%
An AI returns from a relativistic test flight to find humanity gone. Explore a real data‑based solar‑system ephemeris, pilot spacecraft across accurate topological data, and push the limits of physics as you attempt escalating Superstring Transitions.
Why similar: Space Sim 47.6%, Simulation 18.3%, Immersive Sim 9.1%, Exploration 6.2%, Realistic 5.9%
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 54.3%, Simulation 28.3%, Realistic 9.7%, Exploration 7.6%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 53.3%, Sandbox 17.5%, Simulation 15.7%, Immersive Sim 7.4%, Realistic 2.5%
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 45.9%, Simulation 23.2%, Sandbox 21.2%, Exploration 6.6%, Sci-fi 3.1%
The game is a platform runner. The game is also suitable for offline play. The game is designed to just take a break from the action games and just walk around. You can just walk around the map, you can try to embed your files for yourself. The main task is to try to find way to get out from there.
Why similar: Space Sim 41.1%, Life Sim 20.1%, Simulation 15.2%, 3D Platformer 14.2%, Futuristic 5.4%
A short cinematic survival experience where you attempt to survive on a failing satellite. Worry about all the survival essentials along with a ever growing blackhole named Ebon Void pulling lethal debris your way.
Why similar: Space Sim 35.2%, Sandbox 15.5%, Simulation 11.8%, Immersive Sim 10.2%, Artificial Intelligence 9.3%
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 46.8%, Simulation 26.9%, Sandbox 22.3%, Sci-fi 4%
Astria world is an open world where the only limit is the imagination and where all actions have consequences. Illegal or legal, the choice is yours.
Why similar: Life Sim 25.4%, Simulation 24.5%, 3D Platformer 18.5%, Massively Multiplayer 14.1%, Realistic 8.9%
Live the fun life of a wolf! Find a mate, start a pack, hunt together and survive in the wild! Befriend other packs or defeat them to become the sole wolf pack. Adventure through the island and settle down or keep moving, it's all up to you!
Why similar: Life Sim 26.6%, Simulation 24.8%, Sandbox 20.7%, Immersive Sim 11.3%, Realistic 6.7%
World Climate Lab is a real-time planetary climate simulator. Import your own terrain or sculpt a world in the topography editor, then watch a living climate emerge from physics: winds, oceans, cloud bands and ice. Every climate is calculated, not painted.
Why similar: Space Sim 39.3%, Simulation 22.1%, Sandbox 18.4%, Immersive Sim 9.4%, Exploration 5.4%
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 60.7%, Simulation 23.6%, Sandbox 12.9%, 3D 2.8%
OnOrbit is a virtual space lab lets you assemble and operate space hardware as if you were actually in space. Make your own craft in a sandbox mode, then simulate its operation as part of the Supernational Space Cooperative (SSC). Climb the ranks and head out to the planets.
Why similar: Space Sim 37.7%, Sandbox 16.1%, Simulation 12.1%, Artificial Intelligence 10.2%, Realistic 7.3%
Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.
Why similar: Space Sim 44.7%, Life Sim 21.5%, Sandbox 18.7%, Simulation 11%, Sci-fi 4.1%
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 64.5%, Simulation 35.5%
Evil A.I. Space Bots are attacking Earth, You and Your team of Good A.I. Bots must stop them !
Why similar: Space Sim 54.4%, Simulation 29%, Artificial Intelligence 12.1%, 3D 4.5%
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 46%, Simulation 24.6%, Sandbox 22.1%, Sci-fi 4%, 3D 3.3%
This is an unusual adventure future simulation space game, in different gravity under your operation will also change. Players can feel the vastness of different planets in the game, feel different gravity, feel their own different operations. Conquer the universe!
Why similar: Space Sim 45.5%, Sandbox 19.2%, 3D Platformer 17.2%, Exploration 6.1%, Futuristic 5.9%
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 48.4%, Simulation 27.2%, Immersive Sim 13.8%, Realistic 6.9%, 3D 3.6%
Vacuum space junk, polish derelict ships, and clear alien worlds of debris as you upgrade your high-tech cleaning gear.
Why similar: Space Sim 32.6%, Simulation 16.4%, Life Sim 16.3%, Sandbox 12.5%, Immersive Sim 7.7%
Open your own pub with The Pub Life and keep your customers happy with refreshing drinks and great service. Enjoy this cozy and detailed simulation experience solo or with a friend. Level up, unlock higher quality beverages, and expand your pub to create the most popular spot in town!
Why similar: Life Sim 25.4%, Simulation 23.8%, Sandbox 21.7%, Immersive Sim 11.7%, Realistic 7.1%
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 44.4%, Simulation 16.4%, Sandbox 15.6%, Realistic 7%, Immersive Sim 5.3%
Bring Nature Home! Experience Aquascapers, a single-player and co-op aquascaping simulation that invites you and friends to discover and gather various ornamental resources for your aquascaping projects. Enhance your business and dominate the market!
Why similar: Life Sim 26%, Sandbox 21.2%, Simulation 17.9%, Immersive Sim 14.1%, Realistic 8.1%
Welcome to your new career as a gas station attendant in the deepest, darkest corner of space! Serve adorable ships, count your cash, and expand your diesel empire. It's a simple, satisfying job. Just... ignore the whispers in the vents. Everything is fine. Probably.
Why similar: Space Sim 53.7%, Simulation 26.3%, Immersive Sim 15.4%, Sci-fi 4.5%
SPACE SEX SHOP is an 18+ store simulator where you have to open the first adult store in space 🚀✨. Manage your inventory, study demand among different alien races 👽🤖, develop your station, and step by step turn a small trading module into a galactic empire 👑.
Why similar: Space Sim 50.2%, Simulation 25.2%, Sandbox 20.3%, 3D 4.3%
Star Squadron is a narrative-driven space combat simulator built for maximum immersion. Command your wing with freeform voice recognition and experience a dynamic campaign that calls you by name using our proprietary Voice Mimic System. Don't just play the game—live it.
Why similar: Space Sim 44.1%, Artificial Intelligence 13.9%, Immersive Sim 12.8%, Simulation 11.6%, Futuristic 6.4%
Anomaly Operation is a sci-fi horror observation game. Trapped in the security room, you must monitor a derelict ship via CCTV. Report anomalies and avoid lethal threats. Survive until 03:00 AM.
Why similar: Space Sim 46.2%, Simulation 24%, Immersive Sim 13.3%, Realistic 6.2%, Futuristic 4.6%
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 47.4%, Sandbox 19.4%, Simulation 13.8%, Exploration 5.4%, Co-op 4.4%
