60+ similar titles based on shared tags and player behavior. Themes include Strategy, Sci-fi, Singleplayer, Simulation.
Start with a solitary atom in the cosmic void. Fuse mysterious elements, birth unknown worlds, build orbital megastructures, and uncover the deepest secrets of creation! Will you foster a thriving paradise of life, or awaken ancient perils lurking in the dark?
Star Freight
Can you deliver the goods? Board your spaceship and go!
Commanders of the Void
Design your own spaceships and assemble a fleet to fight in epic PvP battles. Ships are fully destructible and manned by persistent crew members including yourself. Ranked/casual matchmaking, PvE for practice. Show your creativity, strategy and tactics to defeat the enemy Admiral!
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 30.5%, Sandbox 15.3%, Simulation 13.8%, Aliens 12.9%, Puzzle 11.3%
Design your own spaceships and assemble a fleet to fight in epic PvP battles. Ships are fully destructible and manned by persistent crew members including yourself. Ranked/casual matchmaking, PvE for practice. Show your creativity, strategy and tactics to defeat the enemy Admiral!
Why similar: Space Sim 27.9%, RTS 24%, Real Time Tactics 18.5%, Strategy 10%, Tactical 6.7%
Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.
Why similar: Space Sim 25.1%, RTS 23%, Real Time Tactics 17.1%, Tactical 9%, Sci-fi 6.9%
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 37.5%, Science 13.5%, Sandbox 13.4%, Simulation 11.1%, Exploration 7.1%
Take back control of the galaxy and defeat the evil AI in this fast-paced, node-based strategy game. The humanoid races need all the help they can get. We're counting on you, Commander!
Why similar: RTS 28.9%, Real Time Tactics 24%, Aliens 10%, Tactical 9.9%, Strategy 9.5%
Idle game for those who tired of boring and infinite idle games
Why similar: RTS 19%, Real Time Tactics 17.3%, Idler 15.7%, Sandbox 12.4%, Logic 8.2%
Recruit unique units, cast powerful spells, and conquer your enemies in a 2D fantasy strategy adventure. Tackle a challenging campaign or dive into Skirmish Mode to create and customize your own battles.
Why similar: RTS 28.9%, Real Time Tactics 24%, Simulation 15.8%, Strategy 13.1%, Hand-drawn 9.8%
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 33.5%, Science 19.6%, Sandbox 16.2%, Simulation 7.6%, Crafting 6.9%
Microcosmum: survival of cells. Join the wonderful and amazing world of microorganisms.
Why similar: RTS 23.9%, Real Time Tactics 16.1%, Idler 15.5%, Sandbox 12.2%, Tactical 7.3%
Real-time strategy and tactics on an alien world! Command super space soldiers against an array of alien hordes. Commander - we need you!
Why similar: RTS 34.7%, Real Time Tactics 27.4%, Strategy 15.9%, Sci-fi 9%, Tactical 8.8%
Galaxor is an online sci-fi strategy game where you build planets, research technologies, command fleets and expand your empire across the galaxy. Manage resources, join clans, take part in events and face alien threats in long-term space warfare.
Why similar: Space Sim 27.5%, RTS 23.5%, Real Time Tactics 18.2%, Tactical 7.8%, Simulation 7.7%
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 31.2%, Aliens 16.9%, Real Time Tactics 13.5%, Simulation 8.9%, Sandbox 7.8%
The endless expanse of space has never been such a dangerous place. Take command as a Space Fleet Admiral who will face the challenge of galactic war and determine the fate of the universe.
Why similar: Space Sim 35.9%, RTS 22.9%, Strategy 12.9%, Simulation 12.3%, Sci-fi 8.3%
A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.
Why similar: Space Sim 25.9%, RTS 22.5%, Real Time Tactics 15.6%, Simulation 11%, Strategy 10.9%
Create your own carrier fleet, explore the universe, and destroy enemy ships with style!
Why similar: Space Sim 25.5%, RTS 21.8%, Simulation 12.2%, Aliens 11%, Strategy 10.6%
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 35.1%, Sandbox 17.2%, Idler 16.8%, Crafting 9.3%, Casual 7.8%
Fight till you can't then fight some more! A space combat simulator with survival crafting elements.
Why similar: Space Sim 29.5%, RTS 19.9%, Aliens 13.3%, Sandbox 13.1%, Simulation 7.6%
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.
Why similar: Space Sim 28.7%, RTS 24.6%, Real Time Tactics 19.5%, Aliens 10.9%, Strategy 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 33.7%, Idler 20.1%, Sandbox 12.5%, Simulation 9.8%, Strategy 7%
Ukraine War 2022 is a real-time, tactical land and air warfare simulation game focusing on the ongoing war between Ukraine and Russia.
Why similar: RTS 34%, Real Time Tactics 27.4%, Strategy 15.9%, Tactical 13.2%, Simulation 5.5%
In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.
Why similar: Space Sim 24.9%, Real Time Tactics 23.2%, RTS 22%, Strategy 12.4%, Aliens 8.4%
Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.
Why similar: Space Sim 19.6%, RTS 14.3%, Aliens 12.5%, Real Time Tactics 12.2%, Sandbox 8.8%
A pausable 2D real-time strategy game where you command Mars' ships in zero-gravity space battles using realistic Newtonian physics. Outmaneuver Earth’s forces with smart positioning, thruster control, and tactical use of cannons, railguns, and torpedoes.
Why similar: Space Sim 22.8%, RTS 18.6%, Real Time Tactics 16%, Science 13.6%, Tactical 6.4%
Brawl your way through a locked down city district. Set units' behavior like: how often to use their special ability, how close they keep to their leader or which units to attack first. Place flags and make your units guard them.
Why similar: RTS 33.3%, Real Time Tactics 25.1%, Sandbox 17.1%, Strategy 14.8%, Tactical 9.7%
The technologically advanced humanity starts looking for other planets to conquer. Now that the Earth is depleted of its resources, we're looking for them elsewhere. The Universe is open for us now - and it cannot hide any secrets. So how will you conquer it?
Why similar: Space Sim 25.2%, RTS 21.7%, Real Time Tactics 16%, Simulation 7.4%, Strategy 6.8%
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
Why similar: RTS 14.8%, Science 13.9%, Real Time Tactics 11.9%, Simulation 11.7%, Strategy 11.3%
Join the European Space Agency's SHIELD mission and discover why aliens aren't the biggest threat to us! In this science-based Planetary Protection Simulator, you fight real cosmic hazards. Build, Monitor, Protect! Become Earth's Last Defense.
Why similar: Space Sim 28.3%, Science 21.9%, RTS 19.3%, Simulation 7.9%, Strategy 7.1%
A quick-to-learn but challenging real-time strategy game where you spawn an army of space-bugs that control themselves.
Why similar: RTS 24%, Real Time Tactics 16.7%, 2.5D 16.3%, Aliens 15.9%, Tactical 9.5%
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 37.3%, Simulation 15.8%, Sandbox 15.6%, Strategy 13.7%, Casual 9.4%
Harvest crystallized time from parallel universes where people waste their lives playing idle games. Build extractors, automate logistics networks, and research new technology to fuel Bill Tyme's time machine in this factory-building incremental game.
Why similar: RTS 26.7%, Idler 20.8%, Sandbox 14.1%, Simulation 14.1%, Strategy 11.3%
Relativity Wars is a god-type strategy/action game, set in a universe which obeys Einstein’s theories of relativity!
Why similar: RTS 36%, Space Sim 18.9%, Science 18.5%, Simulation 13.5%, Strategy 13.1%
A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.
Why similar: Space Sim 33.8%, Science 18.9%, 2.5D 11.1%, Sandbox 9.9%, Simulation 7.8%
A Linux-native robot programming sandbox inspired by Brad Heide's 1992 Robugs. Wire logic gates into miniature fighting machines, build arenas, and watch emergent battles, foraging, and reproduction. No fixed score—just design, simulate, and save your own circuits.
Why similar: Real Time Tactics 18.6%, Sandbox 15.4%, Simulation 14.1%, Strategy 12.3%, Casual 8.2%
Online multiplayer drone warfare in space. Persistent universe, keeps going when you aren't logged in.
Why similar: Space Sim 32.8%, RTS 20.6%, Real Time Tactics 17%, Tactical 12.8%, Simulation 8.7%
Unique idle game with endless gameplay mechanics. Hardcore goals but fair possibilities to reach them. Use the power of multipliers, create the most powerful income generators and be the best among all players!
Why similar: Idler 20.5%, Real Time Tactics 19.9%, Sandbox 16%, Simulation 9.3%, Logic 8%
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Space Sim 25.8%, RTS 21.6%, Real Time Tactics 17.7%, Aliens 11.6%, Simulation 7.2%
Logos Orbit is an emergent cosmic tuning simulation where you rewrite the "Logos" of an ever-expanding universe to control the collision and equilibrium of stars. Place gravity-altering Sigils to tune the orbits of star systems on the brink of collapse.
Why similar: Space Sim 26.2%, Science 22.6%, Logic 14.8%, Sandbox 13.3%, Simulation 7.9%
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
Why similar: RTS 28.1%, Real Time Tactics 23.5%, Tactical 16.5%, Aliens 13.1%, Strategy 10.8%
This is a single player defense game for interstellar strategy. We have established 36 birth points. Players can freely switch birth points to control the size of the enemy. Set the moon as a base. Our fleet can conquer the universe and find legendary warships. Our journey is the sea of stars.
Why similar: RTS 32.2%, Real Time Tactics 26.1%, Strategy 14.8%, Aliens 14.2%, Simulation 7.6%
A story-driven real-time strategy game inspired by classic RTS. Experience a mission campaign filled with memorable characters, unexpected alliances, and humor. Build your kingdom, command Humans and Orcs, create custom maps, and share your battles with the world.
Why similar: RTS 31.8%, Real Time Tactics 25.8%, Simulation 16.5%, Strategy 13.8%, Tactical 8.3%
Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!
Why similar: Idler 34%, RTS 15.5%, Real Time Tactics 13.6%, Science 11.6%, Strategy 10%
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 39.6%, Idler 20.4%, Simulation 15%, Casual 8.9%, Exploration 7.2%
Welcome to the future of space warfare! Star Fleet II: Krellan Commander puts you in command of an advanced space battlecruiser and tasks you with exploring sectors, fighting and boarding enemy ships, and invading planets. Manage your ship, crew and escorts effectively and find your way to victory!
Why similar: Space Sim 29%, Real Time Tactics 15.5%, RTS 13.4%, Simulation 10.2%, Strategy 8.6%
An IDLE game for your fun and relaxation. Multipliers based prestige system and various gameplay possibilities
Why similar: Idler 19.8%, Real Time Tactics 18.6%, Sandbox 15.1%, Logic 12.9%, Simulation 8%
Design custom rockets and master 2D orbital mechanics to navigate a fully simulated solar system. Establish outposts, process local resources to launch interplanetary missions, and manage critical supply lines to keep your colony's workforce alive.
Why similar: Space Sim 32.2%, Science 19.5%, Sandbox 15.3%, Logic 10.5%, Simulation 8.8%
Bokura no Saga is a battle royale RTS where you choose one of three unique races and develop your territory alongside heroes. Gather resources, train troops, construct buildings, wage war, trade, and form knightly orders to interact with other territories and grow your domain!
Why similar: RTS 31.4%, Real Time Tactics 23.9%, Idler 14.5%, Strategy 13.7%, Sci-fi 5.2%
Gelluloid Domination is a fast-paced, strategic and tactical game where you grow a network of cells. Expand by assimilating nearby cells, fight off pathogens and develop nanoboosts in the lab. Other cells want to propagate their DNA too, so this won't be easy. Can your cells achieve domination?
Why similar: Science 18.9%, RTS 17.7%, Real Time Tactics 15.9%, 2.5D 12.3%, Tactical 9%
In the 23rd century, Earth orbit is flooded with debris from constant warfare. Countries, megacorporations, and mercenaries are fighting for control. Take contracts, build your warfleets, and dominate the Earth-Luna system in this realism-focused strategy RPG!
Why similar: Space Sim 20.9%, Science 19.1%, RTS 18.1%, Sandbox 12.1%, Tactical 9.9%
Real-time competitive Minesweeper game
Why similar: Real Time Tactics 33.7%, Strategy 19.5%, Logic 16%, Puzzle 12.9%, Tactical 12.9%
A network-building simulation across the cities of a nation. Lay routers and cables to design your network, balancing bandwidth and latency on a limited budget. Survive sudden traffic surges and DDoS attacks as you connect city after city, learning real networking concepts as you play.
Why similar: RTS 31.2%, Real Time Tactics 19.5%, Simulation 17.5%, Strategy 14.6%, Puzzle 8.9%
《楚汉争霸》以真实的楚汉历史为背景，配以宏大的地图场景，是一款操作方式便捷、游戏体系完善的即时战略游戏。玩家在游戏模拟的真实楚汉背景下，可以身临其境的体会到攻城掠地、指点江山，并且通过自己努力最终结束诸侯纷争，一统天下的乐趣！
Why similar: Real Time Tactics 33.6%, RTS 33.1%, 2.5D 19.7%, Strategy 13.6%
Command a team of four Cryo Cops in this mouse driven, 2D top-down tactical real-time shooter, to destroy enemy drones and rescue frozen agents. Use a vast arsenal, including, Pistol Bullets, Heavy ballistics (Rockets), EMPs, Shields and Strategically placed Land Mines...
Why similar: Real Time Tactics 27%, RTS 19.6%, Tactical 16.8%, Simulation 12.4%, Strategy 11.9%
Four ships and the cold between the stars — and something behind you the instruments can't hold. Command a small fleet through a branching run of real-time-with-pause tactical combat, and reach the end with all of them still lit. You cannot kill what isn't fully here. Not yet.
Why similar: RTS 32.2%, Space Sim 23.7%, Strategy 13.4%, Simulation 12.1%, Tactical 7.9%
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 35.8%, Idler 17.5%, Aliens 15.9%, Sci-fi 7%, Exploration 7%
If you've ever been fascinated by minerals or admired the beauty of crystals... turn your curiosity into knowledge, and your knowledge into profit. Experiment with elements and minerals, fine-tune parameters to get higher-quality minerals, expand your collection, and build your mineral business.
Why similar: Science 36.2%, Simulation 13.6%, Crafting 13.1%, Sandbox 10.6%, Puzzle 9.1%
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 33.9%, Sandbox 16.5%, Science 15.8%, Simulation 13.1%, Exploration 6.2%
In Battlestar Galactica: Scattered Hopes, take command of a fleet escaping the annihilation of the Twelve Colonies. Manage crises on board as you prepare for the next encounter with the Cylon Fleet. Times are dire, and hard choices must be made. Your only hope: rejoin the Battlestar Galactica.
Why similar: RTS 25.3%, Space Sim 24.3%, Real Time Tactics 14.8%, Tactical 11.3%, Strategy 8%
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 34.8%, RTS 30.3%, Strategy 11.3%, Exploration 9.7%, Simulation 9.2%
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 35.7%, Idler 15.7%, Simulation 14.1%, Strategy 12.3%, Casual 8.3%
