60+ similar titles based on shared tags and player behavior. Themes include Simulation, Space, Space Sim, Singleplayer.
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.
Galactic Simulator
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!
Celestial Front - Galactic War Sim
Watch as stars battle for control of a simple simulated galaxy. Each star belongs to a faction, indicated by its color, and combat happens automatically between neighboring stars. Your role is to observe the dynamic battlefield as stars change ownership.
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 23.1%, Idler 17.6%, Space 12%, Sandbox 8.3%, Incremental 7%
Watch as stars battle for control of a simple simulated galaxy. Each star belongs to a faction, indicated by its color, and combat happens automatically between neighboring stars. Your role is to observe the dynamic battlefield as stars change ownership.
Why similar: Space Sim 26.8%, Idler 20.2%, Space 11.6%, Sandbox 11.5%, Procedural Generation 11.1%
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 29.8%, Space 13.7%, Procedural Generation 12.4%, Sandbox 9.1%, Realistic 7.2%
Board your ship and push the boundaries of space exploration in this contemplative space incremental. Gather resources, develop your technology, and travel from the Moon to the edge of the solar system to answer a mysterious signal from the stars.
Why similar: Space Sim 26.6%, Idler 22.4%, Space 14.4%, Incremental 13.5%, Simulation 7.7%
Feed a hungry black hole. Haul debris into the void, devour whole biomes, then collapse everything in a Singularity to grow stronger forever. A cosmic idle game about gravity, greed, and infinite prestige.
Why similar: Idler 29.9%, Space 16.7%, Incremental 14%, Sandbox 13.6%, Procedural Generation 10.9%
Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.
Why similar: Space Sim 30.2%, Idler 15.3%, Incremental 12.9%, Space 9.7%, Simulation 7.5%
Mine the cosmos in this idle space clicker! Collect rare resources, build powerful equipment, upgrade your ship, and unlock new stellar bodies. Rescue crew, automate mines, and uncover the secrets of the stars.
Why similar: Space Sim 28.8%, Idler 24.7%, Space 17%, Incremental 15%, Simulation 8.4%
Harvest energy across the solar system. Build generators on alien worlds, prestige for Dark Energy, and construct a Dyson Sphere around the Sun. Ten planets. Infinite power. One way home.
Why similar: Space Sim 31.1%, Idler 22.8%, Incremental 12.6%, Space 12.4%, Futuristic 5.3%
A dead god drifts in the dark. Build a salvage fleet that carves it apart cell by cell, and watch a colossal carcass melt into a storm of flying debris and climbing numbers. Strip it to the bone then evolve and start again on something bigger.
Why similar: Space Sim 34.7%, Idler 21.9%, Simulation 12.2%, Incremental 10.9%, Space 9.2%
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 34.9%, Sandbox 17%, Simulation 13.7%, Space 9.5%, Realistic 7.4%
Build stations above picky planets, match modules to what the locals actually want, and grow a trade empire that earns while you're away. Court the factions or cross them on the road from your first rattling fusion can to a megastructure that tames a black hole.
Why similar: Space Sim 33.7%, Idler 18%, Simulation 12.7%, Strategy 10%, Incremental 9%
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 43.9%, Simulation 16.6%, Space 11.7%, Procedural Generation 9.9%, Futuristic 6.3%
An idle incremental adventure in space! Mine asteroids while fighting off enemy AI drones. Build your own AI drones, mining lasers, helper drones and more. Collect hundreds of rewards and unlock a variety of features that will help your ultimate goal: making numbers go up (or sometimes down).
Why similar: Idler 25%, Space Sim 21.6%, Incremental 12.2%, Space 12%, Simulation 9.5%
Design your own solar systems and enjoy watching them orbit, collide and smash each other in a cosmic dance!
Why similar: Idler 23.7%, Space Sim 21.8%, Sandbox 12.3%, Space 11.7%, Procedural Generation 9.3%
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 35%, Space 23%, Simulation 17.1%, Sandbox 10.3%, Strategy 9.6%
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 29.4%, Space 18.2%, Sandbox 11.4%, Procedural Generation 10.1%, Simulation 8.3%
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 48.1%, Space 21%, Simulation 14.1%, Sandbox 8.8%, Relaxing 4.9%
Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.
Why similar: Space Sim 25.6%, Idler 21.5%, Space 14.7%, Incremental 12.7%, Simulation 7.2%
Welcome to this exciting gaming world, where you will transform into a true space explorer and embark on a magnificent journey of exploring the wonders of the universe!
Why similar: Space Sim 41.8%, Idler 22%, Simulation 10.6%, Space 10.2%, Immersive Sim 7.3%
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 35.6%, Idler 25.7%, Simulation 14.1%, Space 7.8%, Sandbox 7.2%
Ever wanted a Dyson swarm of your own? Now you can have one with just a few clicks! Manage a solar empire, produce bots which will make solar panels for you. Send your panels to the sun to generate energy and sell that energy to make money which you can spend on even more bots!
Why similar: Idler 33%, Space 19.1%, Incremental 15.5%, Strategy 10.7%, Simulation 9.9%
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 38%, Simulation 15.4%, Sandbox 13.1%, Strategy 12%, Space 11%
This is an incremental game where you become a cozy destroyer of worlds.
Why similar: Space Sim 40.5%, Incremental 16.5%, Simulation 12.6%, Sandbox 12.1%, Space 9.6%
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 38%, Idler 22.1%, Sandbox 15.2%, Space 6.9%, Casual 5%
Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, build stargates, and discover other civilizations as you explore an ever-evolving galaxy.
Why similar: Space Sim 29.9%, Space 17.1%, Sandbox 10.1%, Simulation 8.4%, Strategy 6.5%
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 49.7%, Space 24.1%, Simulation 11.7%, Strategy 8.2%, Exploration 3.9%
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 43.9%, Space 19.2%, Sandbox 12.4%, Simulation 9.7%, Immersive Sim 3.7%
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 43.1%, Sandbox 12.6%, Simulation 12.2%, Space 8.6%, Exploration 4.9%
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 37.4%, Sandbox 15.5%, Simulation 15.1%, Space 14.2%, Strategy 11.6%
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 30.9%, Procedural Generation 16.6%, Sandbox 14.5%, Simulation 14.4%, Space 10.3%
Start as a microscopic speck, become the end of everything. Void Core is a minimalist sci-fi idle game where you control a black hole. Harvest matter, bend spacetime to automate your growth, and consume entire galaxies. Consume. Grow. Evolve.
Why similar: Idler 28.7%, Space Sim 24.1%, Space 17.6%, Incremental 13.5%, Simulation 7.6%
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 37.4%, Procedural Generation 13.8%, Space 13.4%, Sandbox 13%, Simulation 7.6%
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 36.3%, Simulation 15.2%, Sandbox 14.6%, Space 11.9%, Procedural Generation 9%
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 35.9%, Space 15.3%, Sandbox 11%, Simulation 9.4%, Futuristic 7.3%
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 46.9%, Space 19.8%, Simulation 18.4%, Strategy 11.6%, 3D 1.5%
In "Space Mechanics: Repair | Hiring | Craft" you are the owner of a space repair station in which you have to work. Repair spaceships, get money for it, hire them and create items for sale or for your own purposes.
Why similar: Space Sim 44.3%, Space 17.5%, Idler 13.5%, Simulation 11.3%, Futuristic 8.9%
We have built a mini universe with real physics basis, simulation and imagination. The game uses realistic environments and models to tell a story of a mini universe.
Why similar: Space Sim 41.9%, Space 19.2%, Sandbox 13.1%, Simulation 8.3%, Incremental 6.7%
A Game About Getting Bigger is a loot-driven incremental game about feeding a growing black hole. Destroy celestial bodies to make the black hole at the center grow larger and larger.
Why similar: Space Sim 25.3%, Idler 20.6%, Space 13.4%, Incremental 11.6%, Simulation 7.8%
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 62.3%, Simulation 20.6%, Space 17.1%
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%, Space 24.4%, Sandbox 16.2%, Simulation 12.1%, Procedural Generation 10.5%
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 54.3%, Space 23.2%, Simulation 22.5%
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Why similar: Idler 28%, Space Sim 24.5%, Space 18.5%, Incremental 14.7%, Simulation 6.3%
Build and manage your own space company. Design missions, launch satellites, and expand your influence across Earth’s orbit.
Why similar: Space Sim 35.7%, Simulation 15.1%, Sandbox 14.4%, Strategy 11.3%, Space 10.2%
Gravity and exploration sandbox
Why similar: Space Sim 32.5%, Space 15.9%, Sandbox 11.6%, Procedural Generation 10.5%, Simulation 7.9%
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 47.3%, Space 27.2%, Strategy 13.1%, Simulation 6.9%, Sci-fi 3.3%
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 35.3%, Space 29.3%, Sandbox 11.8%, Simulation 10.5%, Strategy 7.7%
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 35.7%, Space 27.3%, Simulation 10.8%, Sandbox 9.4%, Strategy 7.7%
A hard sci-fi survival sim 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, and fight to reach Earth — where space itself is the only enemy you need.
Why similar: Space Sim 25.5%, Space 21.3%, Simulation 16.1%, Sandbox 10.2%, Realistic 8.4%
My Little Cosmos is a light idle clicker game that runs quietly in the background. Keyboard input and mouse clicks from everyday computer use automatically drive the evolution of a universe, with inventory rewards dropping over time.
Why similar: Space Sim 24.1%, Idler 18.9%, Space 13.3%, Incremental 9.3%, Sandbox 7.8%
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 40.5%, Space 21.7%, Simulation 16.5%, Sandbox 14.1%, Exploration 3.6%
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Why similar: Space Sim 24.9%, Idler 17.9%, Space 13.2%, Procedural Generation 10.8%, Sandbox 9.8%
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 28.6%, Procedural Generation 19%, Simulation 14.9%, Sandbox 13.6%, Space 9.2%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 31.8%, Space Sim 24.2%, Sandbox 15.2%, Simulation 14.4%, Strategy 8.2%
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 43.4%, Simulation 18%, Space 14.8%, Strategy 13.4%, Exploration 5.1%
A cozy idle game that lives on your desktop. Watch a tiny astronaut explore 84 alien planets, collect resources, befriend strange creatures, and uncover a mystery hidden among the stars. Three playthroughs. Three perspectives. One truth.
Why similar: Idler 36.4%, Space 19.4%, Procedural Generation 14.3%, Relaxing 6.8%, Aliens 5.7%
Ignite a dying star and forge a galactic empire from a single tap. A cozy sci-fi idle clicker: harvest Energy, automate cosmic megastructures that earn while you sleep, then Ascend, collapse it all into Dark Matter and be reborn as a brand-new star.
Why similar: Idler 36.2%, Simulation 21.2%, Incremental 17.5%, Space 17.3%, Casual 5.4%
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 40.2%, Sandbox 16.1%, Simulation 15.3%, Space 9.8%, Procedural Generation 6.7%
Single-player space strategy about the last ship of a vanished civilization: built to copy itself, no longer able to. Turn dead systems into mines, refineries, and shipyards. Design fleets, command the fights, lose ships, never the factory. Find out what silenced the galaxy.
Why similar: Space Sim 36.8%, Space 21.2%, Procedural Generation 11.2%, Strategy 10.3%, Simulation 9.4%
Pilot a lone UFO in this cozy idle desktop game that lives in the corner of your screen. Discover randomly generated planets, extract rare resources, uncover strange artifacts, and build your collection one world at a time.
Why similar: Space Sim 38.1%, Idler 22.7%, Space 13.4%, Aliens 7.3%, Simulation 5.9%
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 46.6%, Sandbox 19.1%, Simulation 17.6%, Space 14.1%, Indie 2.6%
