
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.
60+ similar titles based on shared tags and player behavior. Themes include Space Sim, Space, Singleplayer, Sci-fi.

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.

Space Travelers
Mine asteroids, trade minerals and chart an endless, procedurally generated galaxy in a relaxed 2D space sim. Then pin it to your desktop as a live wallpaper: your ship keeps flying, mining and discovering while you work

Odyssée Stellaire
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.
Mine asteroids, trade minerals and chart an endless, procedurally generated galaxy in a relaxed 2D space sim. Then pin it to your desktop as a live wallpaper: your ship keeps flying, mining and discovering while you work
Why similar: Space Sim 40.5%, Idler 20.3%, Casual 8.1%, Simulation 8.1%, Exploration 7.3%
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 31.4%, Idler 21.2%, Aliens 15.2%, Space 12.5%, Casual 6.4%
A game about an alien that has to abduct things to pay rent!
Why similar: Space Sim 36.8%, Aliens 27%, Space 9.5%, Casual 9%, Simulation 8.1%
A chaotic incremental mining game where a single swing scales into screen-clearing mayhem! Smash planetary quotas to unlock advanced tools, deploy helper bots, and invest in a massive skill tree. Trigger devastating proc combos and break your efficiency wide open.
Why similar: Space Sim 25.7%, Idler 18.4%, Collectathon 17.6%, Economy 11.3%, Space 10.5%
Captain a space freighter on its perilous voyage to deliver vital supplies to the Parvin Frontier! Select your crew, then lead and command their efforts to manage the ship's navigation, engineering, weapons, and more on the fly as crises and obstacles arise in real time.
Why similar: Space Sim 45.8%, Aliens 18.9%, Space 14.8%, Sci-fi 7%, Simulation 6.8%
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 40.8%, Idler 19%, Economy 11.3%, Casual 8%, Exploration 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 38.3%, Idler 22.2%, Space 13.5%, Aliens 7.4%, Simulation 5.8%
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 36.1%, Idler 21.1%, Economy 13%, Space 10.6%, Sci-fi 7.5%
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 53.4%, Space 19%, Economy 8.1%, Simulation 6.9%, Exploration 6.6%
Beltlife: Prospector is a GUI-based "hard" sci-fi business/work sim with economy simulation and RPG elements. Your focus is on maintaining your ship's systems and your health while prospecting for asteroid claims to auction on simulated markets.
Why similar: Space Sim 24.9%, Economy 20.1%, Space 17.6%, Sci-fi 8.8%, Inventory Management 7.8%
A pixel-art space mining game. Dig into procedurally generated planets, chart your own route across the star map, collect rare ores, level up your gear, and grow your fortune by investing in the market.
Why similar: Space Sim 38.8%, Collectathon 16%, Economy 10.5%, Space 7%, Pixel Graphics 6.6%
Asteroid Mining Empire is a sci-fi mining progression game where you harvest asteroid fields, earn credits, unlock upgrades, expand your ship and drone systems, and push toward powerful long-term rebirth progression as your small operation grows into a space industry.
Why similar: Space Sim 53%, Idler 11.8%, Pixel Graphics 9.2%, Space 9%, Casual 6.8%
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 39.2%, Idler 16.7%, Economy 9.4%, Simulation 8.1%, Casual 8.1%
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 41%, Idler 20.7%, Space 8%, Simulation 7.9%, Casual 7.9%
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 40.6%, Idler 23.4%, Simulation 8.8%, Sci-fi 8.7%, Space 6.6%
Future Weapon is an online space shooter where you can host a server for you and your friends to annihilate the universe together. Grab a gun, grab a spaceship, punch rocks, upgrade everything, and wreck the world. Join The Fleet! https://discord.gg/WN4UJaEc
Why similar: Space Sim 35.7%, Collectathon 22.8%, Aliens 17.1%, Space 8.1%, Exploration 7.1%
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 51.4%, Space 16.6%, Sci-fi 9.1%, Exploration 8.2%, Simulation 6.5%
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 52.1%, Economy 14.9%, Simulation 10.3%, Space 8.6%, Sci-fi 6.4%
Start as a tiny black hole and grow by consuming asteroids, planets, and star systems. Automate your power, unlock upgrades, and devour the universe in this relaxing space idle incremental game.
Why similar: Idler 25.4%, Economy 18.2%, Space Sim 17.1%, Space 13.8%, Sci-fi 10.8%
You work at a small observatory as scientist, studying the sky and making sure nothing unsual goes unnoticed. Explore worlds, launch satelites, receive signals from outer space, solve mystries and connect the dots. Welcome to Skywatch.
Why similar: Space Sim 25.5%, Space 22%, Exploration 14.4%, Pixel Graphics 10.1%, Casual 9.1%
Peddlers between Pulsars is a story focused shop sim with light logistics. Play as one of five peddlers as they try to fulfill odd tasks from a frustrated researcher.
Why similar: Space Sim 24.2%, Aliens 22.1%, Space 20.3%, Inventory Management 12.5%, Pixel Graphics 8.2%
What if there was a train, in space? Embark as a simple passenger or take a longer-term role as a member of staff in an asymmetric gaming experience like no other.
Why similar: Space Sim 39.9%, Aliens 18.6%, Space 11.1%, Sci-fi 7.1%, Pixel Graphics 7%
Build an orbital factory and create a new star. Arrange neighboring machines to boost production, time reactor pulses, and automate your growing foundry. Rebuild for permanent upgrades in a cosmic incremental game.
Why similar: Space Sim 47.8%, Idler 21.9%, Simulation 10.2%, Space 9.2%, Sci-fi 6.9%
On board a space cruiser, you'll travel the actual distance of the entire universe known to man.
Why similar: Idler 28.1%, Space Sim 21%, Collectathon 15.6%, Space 13.1%, Pixel Graphics 9.3%
2.5 million light-years separate you from a civilization sending a signal. This incremental space odyssey will take you across the universe, all the way to Andromeda. The adventure continues. Safe travels, Commander.
Why similar: Space Sim 45.4%, Idler 17.3%, Aliens 13.5%, Space 9.3%, Casual 5.8%
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 48.5%, Space 15.8%, Sci-fi 9.4%, Economy 8.8%, Exploration 7.3%
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 36.8%, Idler 25.2%, Space 15.9%, Simulation 5.9%, Casual 5.7%
Build a retro-industrial space program, manage your launch base, assemble and upgrade the Columbiad, then manually guide each mission through atmospheric ascent, orbital insertion, lunar transfer, and recovery in a low-poly spaceflight management adventure.
Why similar: Space Sim 40.5%, Aliens 22.4%, Space 16.2%, Sci-fi 7.3%, Simulation 6.1%
Build your empire. Name a star. Leave your mark on the universe forever. Explore space in this incremental idle game. Visit other players' stars, conquer their systems, discover powerful synergies, and automate your space empire.
Why similar: Space Sim 46.7%, Idler 19.6%, Inventory Management 8.7%, Space 7.9%, Exploration 6%
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 42.2%, Space 20.4%, Economy 14.1%, Simulation 11.3%, Sci-fi 11.3%
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 44.6%, Economy 12.8%, Simulation 9.3%, Exploration 8.7%, Space 8%
The story takes place in the distant future. You will play a captain of a star ship and go into deep space. You need to manage your resources carefully. In the game, you can investigate the outliers of various planets, discover the wonders of the universe or learn the stories of lost civilizations.
Why similar: Space Sim 52%, Space 20.6%, Exploration 10.5%, Casual 4.6%, Sci-fi 4.2%
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 59.7%, Space 19.3%, Sci-fi 12.2%, Simulation 6%, Indie 1.9%
Build it. Automate it. Watch it grow! Glorpnauts is a space incremental where you mine asteroids, expand your fleet, build an automated economy and defend it from pirates. Prestige for permanent upgrades, explore new star systems and turn a tiny base into a thriving space operation.
Why similar: Space Sim 30.2%, Idler 17.2%, Aliens 14.2%, Economy 13.5%, Space 10.1%
Play as a mining drone in an AI-run megacorporation, long after humanity vanished. Journey across the Solar System, harvest ore, and upgrade your equipment. Between stretches of work, discover hidden locations and decide: will you follow routine, or venture into the unknown?
Why similar: Space Sim 39.2%, Collectathon 27%, Space 9.7%, Exploration 9.1%, Sci-fi 7%
The queen calls you to grab a pickaxe and start mining for the hive! Watch as your mining buddy collects ore without invading your working screen space! Collect ore, earn achievements, mine for your hive, and most importantly, relax and enjoy the ride!
Why similar: Collectathon 30.9%, Idler 24.2%, Aliens 21.4%, Pixel Graphics 8.1%, Casual 6%
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 50.8%, Idler 21.4%, Casual 9.9%, Space 9.1%, Simulation 7.1%
A retro idle adventure that plays like a top down shooter!
Why similar: Idler 35.6%, Aliens 31.8%, Sci-fi 14.4%, Pixel Graphics 11.9%, Casual 5.3%
Command a customizable Starship in this tactical space defense roguelite. Intercept missile swarms, deploy combat drone wings, and mine hostile asteroid belts. When your shields fail, do you risk everything for more loot—or initiate an Emergency Warp to escape with your haul?
Why similar: Space Sim 27.9%, Idler 25.3%, Aliens 13.9%, Space 13.9%, Sci-fi 10.2%
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 48.2%, Space 25.9%, Sci-fi 12.9%, Exploration 7.9%, Simulation 4.7%
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 47.1%, Space 18.8%, Exploration 12%, Sci-fi 9.2%, Resource Management 5.5%
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 56.5%, Space 17.2%, Exploration 11.3%, Simulation 11.3%, Adventure 3%
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 72.3%, Space 14.6%, Simulation 13.1%
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 52.1%, Space 15.2%, Idler 12.7%, Economy 7.7%, Simulation 7.3%
Build an industrial base among the stars. Gather resources, manufacture ships, research technologies, and explore unknown regions of space. The core gameplay can be played offline, while alliance features add online missions and cooperative construction.
Why similar: Space Sim 47.7%, Idler 22.9%, Simulation 6.1%, Resource Management 5.8%, Space 5.5%
After a galactic portal failure you find yourself lost millions of light years away from home, in a foreign galaxy... With your main propulsion systems disabled you are unable to traverse space, so you try to collect resources you find near you in order to create a galactic portal to return back.
Why similar: Space Sim 45%, Space 11.3%, Simulation 10.3%, Casual 9%, Exploration 8.4%
Dive into sci-fi alien worlds where you wipe out Alien scourge by deconstructing them into parts to upgrade your base and your DECON unit, allowing you to produce higher outputs, more damage, more gains, and JUST MORE. DECON PROTOCOL is an incremental game with idle and clicker mechanics.
Why similar: Idler 24.8%, Collectathon 19.2%, Aliens 14.1%, Sci-fi 10.3%, Casual 9.9%
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 40.7%, Space 24.9%, Economy 16%, Sci-fi 9.5%, Simulation 6.7%
Somewhere in the third dimension there lives an alien Joe. He can't sit still. He constantly travels and explores the world and galaxies. This time he came across a new planet.
Why similar: Space Sim 49.9%, Casual 11.7%, Space 11.3%, Simulation 10.8%, Adventure 7.2%
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 56.2%, Simulation 11.7%, Space 11%, Exploration 11%, Sci-fi 8.2%
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 47.3%, Economy 12.5%, Space 10.6%, Exploration 8.5%, Simulation 7.6%
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
Why similar: Space Sim 40.4%, Space 19.7%, Aliens 15.6%, Casual 8.4%, Sci-fi 6.2%
Commanding a starship, you’ll trade goods across the galaxy, evade cosmic threats, and grow your trading empire. Do you have what it takes to outmaneuver rivals and become a trading legend? Take command of your destiny in Epic Space Trader, your journey to the stars begins now!
Why similar: Space Sim 36.8%, Economy 20.3%, Space 11.9%, Sci-fi 11.3%, Pixel Graphics 7.4%
Why do Cows keep being abducted? For profit! As the galaxy’s new Space Farmer, you will abduct Convenient Organic Wildlife, or C.O.Ws, for short. Mootation blends minigames, humor, and incremental systems where you need to optimize production to become the best Space Farmer in the galaxy!
Why similar: Space Sim 44.5%, Aliens 13.2%, Space 12%, Pixel Graphics 10.6%, Casual 7.1%
Starport Tycoon is a trade and management simulation set it space. Obtain landing rights, transport goods, plan profitable routes, develop spaceports and your fleet. Hold your ground against competitors and pirates.
Why similar: Space Sim 47.7%, Economy 25.3%, Space 8.6%, Simulation 7.7%, Sci-fi 6.4%
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 53.1%, Exploration 9.9%, Simulation 8.2%, Space 7.8%, Sci-fi 7.7%
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 47.2%, Aliens 20.4%, Simulation 11.2%, Casual 10.9%, Sci-fi 8%
DustCrow is a space-salvaging and exploration zero-G VR game where you strip derelict wrecks for scrap, manage your tools and equipment in a zero-G environment, and play in a live, player-driven economy. It's just industrial tools, tactile physics, and the daily grind in the vast emptiness of space.
Why similar: Space Sim 34%, Economy 22.5%, Space 16.3%, Exploration 12.3%, Sci-fi 6.2%