- #1 Space Colonizers Idle Clicker
97% matchMixed47% of 45 reviews2018
Dev: CapPlay Interactive Inc.
Windows · Mac
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 30.3%, Idler 16.6%, Incremental 12.1%, Futuristic 9.1%, Strategy 7.3%
- #2 Aeons of Rebirth
96% matchMixed67% of 42 reviews2025
Dev: Short Scale
Windows
Aeons of Rebirth is a short, strategic incremental journey about exploring planets and building the greatest space empires ever!
Why similar: 4X 44% ★, Idler 31.3%, Aliens 11%, Futuristic 10.1%, 2D 1.8%
- #3 Infinite Empire
96% matchNo user reviews2026
Dev: Better Tools LLC
Windows · Linux
Become the Lord Captain of an ancient space fortress in a galaxy where railguns sit next to necromantic hull plating, steam-powered tesla cannons, and biological spore launchers. Build your ship, crush alien fleets in slow, weighty broadside combat, and carve out an empire one sector at a time.
Why similar: 4X 27.6% ★, Space Sim 21.9%, Aliens 12.3%, Building 11.1%, Futuristic 9.8%
- #4 Ironseed 25th Anniversary Edition
95% matchPositive100% of 17 reviews2020
Dev: Robert MorganPub: Channel 7 Software
Windows · Mac · Linux
A sci-fi exploration game written in 1994, updated to use a modern 3D engine, and remains faithful to the original. The story is fully intact with only minor tweaks to gameplay and cosmetics. The original game is often compared to Star Control and Starflight.
Why similar: Space Sim 34.9%, 4X 21.5% ★, Building 14.1%, Exploration 7.9%, RPG 6%
- #5 Little Asteroid Miner
94% matchMostly Positive70% of 10 reviews2025
Dev: TCS Developer
Windows
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 27.9%, Space Sim 22.2%, Incremental 11.6%, Futuristic 9.1%, Sci-fi 8.5%
- #6 Spaceship Idle: Design, Build, Explore & Battle
94% matchNo user reviews
Dev: FishPondPub: Fish Pond Studio
Windows · Linux
Spaceship Idle is an idle/incremental 4X grand strategy auto battler where you build your own spaceship and engage in space battles. Research a vast tech tree, equip unique weapons, unlock powerful upgrades, construct bigger and better ships, win epic (auto) battles, and conquer the galaxy!
Why similar: 4X 25.1% ★, Space Sim 22.9%, Idler 22.9%, Incremental 10.7%, Exploration 7.3%
- #7 Galactic Conflict
93% match2 user reviews50% of 2 reviews2026
Dev: Shadowfoundry GamesPub: Sinpros Entertainment and Multimedia
Windows
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: 4X 39.6% ★, Space Sim 29.1%, Strategy 12.2%, Simulation 8.9%, Sci-fi 5%
- #8 Roids
92% matchNo user reviews
Dev: Braymatter
Windows · Mac · Linux
Explore a unique, procedurally generated galaxy filled with alien artifacts and resources to extract and exploit. Mine asteroids, harvest nebula, pilot unique ships and find new and strange things in the void between stars as you struggle to survive long enough to find another home.
Why similar: Space Sim 32%, Aliens 15.7%, Building 13.8%, Futuristic 11.8%, Strategy 7.7%
- #9 After the Crash : Colony
91% matchPositive86% of 14 reviews2025
Dev: Penche Software
Windows
Build order on a strange planet, keep your crew alive, and gather the parts needed to repair the crashed main ship. Manage resources, explore new areas, face growing threats, and strengthen your colony a little more with each passing day.
Why similar: 4X 36.8% ★, Space Sim 35.7%, Strategy 7.5%, Sci-fi 7.1%, Simulation 5.7%
- #10 Space Elevator Project
91% matchNo user reviews
Dev: VanilliA Studio
Windows
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 42.2%, Strategy 15.2%, Building 13.9%, Simulation 13.1%, Exploration 8.5%
- #11 Starbrew Station
90% matchMixed45% of 31 reviews2025
Dev: Lost Rabbit Digital
Windows
Start with one machine. Scale to a galaxy-supplying coffee empire. Hire 33 alien workers, survive Rush Hour chaos every 8 minutes, and boss-fight your way to prestige resets that unlock permanent upgrades. Free to play. No paywalls.
Why similar: Idler 30.3%, Space Sim 25.7%, Futuristic 15.4%, Incremental 12.4%, Sci-fi 8.2%
- #12 Office of Interstellar Production
89% match1 user reviews100% of 1 reviews2025
Dev: Moonchisel Studio
Windows
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 37.2%, Idler 29.2%, Building 11.3%, Simulation 11%, Sci-fi 8.4%
- #13 Factory Works Idle
89% matchNo user reviews
Dev: EnricoBC
Windows · Linux
Factory Works Idle is a captivating incremental game that puts you in control of an ever-expanding industrial empire. Begin with humble manual labor and gradually build an automated manufacturing powerhouse that spans from primitive stone tools to futuristic singularity technology.
Why similar: Idler 31.2%, Building 20.6%, Incremental 16.1%, Futuristic 9.2%, Simulation 8%
- #14 Empires of a Tiny Universe
88% matchNo user reviews
Dev: Cactus Games
Windows · Linux
Empires of a Tiny Universe is a relaxed single-player RTS where you build and expand your empire across space. Manage planetary infrastructure, develop new technologies for your fleet, and conquer the galaxy - all from a clear, minimalist perspective.
Why similar: 4X 40.3% ★, Aliens 16%, Building 14.4%, Futuristic 11.3%, Strategy 8.8%
- #15 Super Starship
86% match2 user reviews100% of 2 reviews2026
Dev: Les Bird
Windows · Mac
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 48.1%, Futuristic 14%, Simulation 13.6%, Exploration 9.8%, Sci-fi 7.4%
- #16 Unending Galaxy
87% matchMixed62% of 124 reviews2016
Dev: Anarkis Gaming
Windows
Median: 3.3 hrsMean: 3.6 hrs≥1hr: 91%
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Why similar: 4X 32.5% ★, Space Sim 23.5%, Strategy 15.3%, Simulation 11.7%, Sci-fi 5.7%
- #17 Exodus: The Colonization of Space
84% matchPositive100% of 22 reviews2025
Dev: Artex
Windows · Linux
Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.
Why similar: 4X 32.1% ★, Space Sim 29.8%, Strategy 11.1%, Futuristic 9.5%, Simulation 9.3%
- #18 Expansion
86% matchMixed61% of 18 reviews2019
Dev: Mykel Flynn
Windows
A strategy game about space (location) in space (cosmic). Colonise the galaxy with a thousand clicks of a mouse. Winner of DreamHack Austin Jam!
Why similar: 4X 38.4% ★, Space Sim 29.5%, Strategy 14.5%, Incremental 10.8%, Simulation 5.2%
- #19 Galactic Simulator
84% matchMostly Positive75% of 44 reviews2025
Dev: PcZ Games
Windows · Mac
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 32.4%, Idler 26.9%, Futuristic 11.1%, Incremental 9.1%, Sci-fi 6.5%
- #20 Children of the Galaxy
85% matchPositive93% of 14 reviews2017
Dev: Filip Dusek, Empty Keys
Windows
Children of the Galaxy is a grand scale 4x turn-based strategy game with a turn-based combat and tactical elements. You can explore the galaxy, colonize planets and build huge armies of starships to fight in epic space battles.
Why similar: 4X 55.9% ★, Strategy 16.3%, Simulation 13.5%, Sci-fi 10.5%, Indie 3.8%
- #21 Cats to the Moon
83% matchNo user reviews
Dev: Mateusk2m
Windows
Cats to the Moon is a short incremental game about leading a nation of silly cats as they attempt to become the first ever to land on the moon. Explore space, build your city, and most importantly, reach a place no other cat has ever been.
Why similar: Idler 29.8%, Space Sim 26.6%, Incremental 12.8%, Strategy 9.9%, Simulation 7.6%
- #22 Idle Dyson Swarm
82% matchMixed61% of 74 reviews2026
Dev: Blindsided Games
Windows · Mac · Linux
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 38.6%, Incremental 15.5%, Strategy 13.4%, Futuristic 9.6%, Simulation 8%
- #23 10ⁿ - Ten Power N
82% matchNo user reviews
Dev: Raphael LepuschitzPub: RoboLabs
Windows · Mac
10ⁿ - TEN POWER N is a science & fiction strategy-simulation where you create, explore and conquer the universe from quantum foam to the cosmic expanse. Traverse 19 levels, manage more than 600 resources, defend your simulation. The universe isn’t just yours to explore – it’s yours to command!
Why similar: 4X 40.7% ★, Idler 14.9%, Building 11.7%, Aliens 9.4%, Sci-fi 7.3%
- #24 Trappist
81% matchVery Positive90% of 72 reviews2024
Dev: Sirrah
Windows · Mac · Linux
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: 4X 27% ★, Space Sim 25.5%, Building 13.6%, Aliens 9.7%, Futuristic 6.9%
- #25 Order: The New Dawn
81% matchNo user reviews2026
Dev: Outer Space Workshop
Windows
Order: The New Dawn is a colony sim with space adventure. As a legendary captain from the United Stellar, build a base on the desert planet New Terra and face the perils of the Wastespace—how will you shape the destiny of the stars?
Why similar: Space Sim 33.5%, 4X 27.7% ★, Building 13.9%, Exploration 6.6%, Strategy 5.1%
- #26 Pixel Starships
80% matchMostly Positive73% of 2,939 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.5 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Space Sim 28.9%, 4X 28.3% ★, Building 12.9%, Aliens 10.1%, Sci-fi 7.7%
- #27 X4: Foundations
79% matchMostly Positive80% of 28,557 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.7 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: 4X 30.7% ★, Space Sim 26.6%, Building 12.6%, Sci-fi 6.9%, Open World 5.9%
- #28 Space Commander
79% matchNo user reviews
Dev: Gambit Games StudioPub: TBA
Windows
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 43.3%, Strategy 15.5%, Futuristic 11.2%, Simulation 10.6%, Sci-fi 9.8%
- #29 Star Conqueror 舰队指挥官
78% matchMixed58% of 19 reviews2024
Dev: MirrorAlice Studio
Windows
Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.
Why similar: 4X 27.6% ★, Space Sim 27.1%, Futuristic 10.1%, Strategy 8.1%, Sci-fi 8.1%
- #30 Back to Save the Universe
78% matchNo user reviews
Dev: Clay Peterson
Windows
A 4X strategy game where you start by hatching a single egg and eventually build a galactic empire to rival the greats. Craft resources, navigate politics, and shape the future of the universe in this unique space sandbox.
Why similar: 4X 34.2% ★, Space Sim 27.9%, Building 11.8%, Futuristic 8.9%, Strategy 7.1%
- #31 Idle Space Navy
77% matchMixed48% of 58 reviews2023
Dev: Phoenix Aura
Windows · Mac
A sci-fi idler. Upgrade your ships, get new items, and conquer the stars.
Why similar: Idler 41.9%, Incremental 16.6%, Strategy 15.5%, Futuristic 12.4%, Sci-fi 8.3%
- #32 Idle Space Force: Retro Clicker
77% match2 user reviews67% of 3 reviews2024
Dev: Fuse Games LLC
Windows
A retro idle adventure that plays like a top down shooter!
Why similar: Idler 44.2%, Aliens 27.7%, Sci-fi 13.8%, Incremental 7.6%, 2D 5.1%
- #33 OREBIT
76% matchNo user reviews
Dev: Wynter Forest Studio
Windows
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 34.4%, Idler 32.1%, Incremental 16.7%, Simulation 7.5%, Sci-fi 4.7%
- #34 El Conquista
76% matchNo user reviews2025
Dev: Dexypher Games
Windows
A real time open world strategy game. Game consist of a massive overworld with many planets and dimensions. You play as a hero, discovering new lands even in the farthest reach of the galaxy through expedition and conquest. You can build a base and summons which could be used in your wars!!
Why similar: 4X 37.5% ★, Building 16%, Aliens 13%, Strategy 7.5%, Sci-fi 6%
- #35 Nova: Space Armada
75% matchMixed51% of 243 reviews2024
Dev: STONE3 PTE. LTD.
Windows
An exceptional sci-fi strategy game based on space adventure as its core.
Why similar: 4X 39.8% ★, Space Sim 28.8%, Sci-fi 8.6%, Strategy 8%, PvE 5.8%
- #36 Void Ascendancy
75% matchNo user reviews2026
Dev: lijohnttle Studio
Windows
Void Ascendancy is a UI-driven space empire simulation where you colonize planets, manage specialized worlds, and build interstellar trade networks across a procedurally generated star cluster.
Why similar: 4X 47.6% ★, Strategy 14.2%, Simulation 12.2%, Futuristic 10.3%, Exploration 6.2%
- #37 beyond.frontiers
74% matchMixed62% of 20 reviews2024
Dev: Duality Beyond Studios
Windows
beyond.frontiers is an open-world space adventure with 30+ ships, 125+ sectors, and fully voiced stories. Trade, explore, or fight — your choices shape the galaxy as three empires clash and ancient secrets await discovery.
Why similar: Space Sim 44.8%, PvE 12.9%, Exploration 10.4%, Open World 8.3%, Sci-fi 7.2%
- #38 Capital Command
74% matchNo user reviews2026
Dev: Hellride GamesPub: Hooded Horse
Windows
Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.
Why similar: Space Sim 30.1%, 4X 26.3% ★, Building 12%, Sci-fi 7.8%, Exploration 6%
- #39 20 Days
73% match1 user reviews100% of 1 reviews2025
Dev: AgostonB
Windows
Survive 20 tense days aboard a failing spaceship while hunting down an enemy satellite. Every day brings new malfunctions, random story events, and difficult choices. Will you find the target before it's too late?
Why similar: Space Sim 42.9%, Strategy 15.3%, Aliens 14.5%, Incremental 13.3%, Sci-fi 6.4%
- #40 Project Chromata
72% matchMixed50% of 70 reviews2025
Dev: ArboraeternumPub: GamezEternal
Windows
Project Chromata is a deep sci-fi incremental game about restoring the universe by mixing colors. Unlock new technologies, prestige to gain powerful permanent upgrades from a vast star chart, and master automation systems to watch the numbers soar in this satisfying and feature-rich idle experience.
Why similar: Idler 41.8%, Futuristic 21.5%, Simulation 16.1%, Strategy 7.7%, 2D 5.5%
- #41 Among The Stars
73% matchNo user reviews2026
Dev: Hidden Universe Games
Windows
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 52%, Exploration 12.4%, Futuristic 10.4%, RPG 7.5%, Sci-fi 6.3%
- #42 Deep Space Miner
73% matchNo user reviews2026
Dev: Dexter
Windows
Deep Space Miner is a short incremental mining game about unlocking powerful tools, upgrades, and game-changing procs. Explore planets, mine rare resources, evolve your gear, and grow stronger through a massive skill tree as you push deeper into the galaxy.
Why similar: Space Sim 35.4%, Idler 29.5%, Incremental 15%, Strategy 11%, Sci-fi 4.9%
- #43 Planet Factory
70% matchPositive86% of 28 reviews2024
Dev: SupremeGuardianGames
Windows
A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!
Why similar: Space Sim 39.2%, Strategy 14.9%, Futuristic 14.2%, Simulation 12.3%, Building 7.2%
- #44 Alpha One
71% matchNo user reviews
Dev: Space Capsule Games
Windows
Alpha One is a top-down action, 4X-lite strategy game. Each action level is a turn in a strategic conflict as you race to collect resources, acquire upgrades, expand territory and build defenses. All to find a way home!
Why similar: 4X 43.3% ★, Building 11.6%, Aliens 10.5%, PvE 10.5%, Strategy 8.1%
- #45 Battlecruiser Generations
72% matchPositive83% of 18 reviews2021
Dev: 3000AD
Windows
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 39.9%, Futuristic 16.5%, Aliens 13.7%, Sci-fi 9.9%, Exploration 8.6%
- #46 Entropy Archive
69% match8 user reviews63% of 8 reviews2026
Dev: Alerot
Windows
Uncover a collapsing machine of endless growth, hidden systems, and recursive resets. Generate energy, unlock expansions, recover corrupted records, and descend deeper into the Archive.
Why similar: Space Sim 38.4%, Idler 22%, Incremental 12.2%, Simulation 8.6%, Futuristic 8.1%
- #47 Psi 5 Trading Company
71% match8 user reviews88% of 8 reviews2020
Dev: Accolade, Inc.Pub: Ziggurat
Windows
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 48.7%, Aliens 19.2%, Simulation 9.9%, Futuristic 9.1%, Sci-fi 7.9%
- #48 Apotheosis Engine
70% matchNo user reviews2026
Dev: genkakusoft
Windows
An accident causes a lost space probe to become self aware. "Apotheosis engine" is a lore-rich incremental game. Grow from a piece of engineering into a galactic superdeity.
Why similar: 4X 27.9% ★, Space Sim 24%, Idler 20.7%, Incremental 9.8%, Exploration 6.7%
- #49 Idle Expanse
71% matchMixed55% of 152 reviews2020
Dev: Lyrical Games LLC
Windows
A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.
Why similar: Idler 33.1%, Aliens 18.4%, Incremental 14.4%, Strategy 12.3%, RPG 8.8%
- #50 Leaks In Space
68% matchMostly Positive67% of 14 reviews2025
Dev: Frostech Game Studio
Windows · Linux
Build your spaceships, craft, survive, fight, and explore sectors full of peril and adventure. With limitless creativity and deadly threats to overcome, Leaks in Space offers adventurers a unique 2D space-sim sandbox experience.
Why similar: 4X 30.8% ★, Space Sim 26.5%, Building 14.2%, PvE 7.5%, Sci-fi 6.7%
- #51 Starcom: Unknown Space
67% matchVery Positive93% of 4,302 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.4 hrsMean: 16.9 hrs≥1hr: 83%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space Sim 35.8%, Aliens 12.1%, Building 11.9%, Exploration 9.5%, Open World 9.1%
- #52 Structura
70% match1 user reviews0% of 1 reviews2021
Dev: Binary Station Studio
Windows · Linux
Structura is a rather unique sci-fi real-time strategy set in space. Its a hybrid of rts and fps, with emphasis on combat and survival. Build your economy for war, modify the unit by adding components, explore, expand, and survive the savage waves of enemy attacks.
Why similar: 4X 39.4% ★, Space Sim 32.3%, Futuristic 10.7%, Strategy 8.1%, Open World 3.9%
- #53 Tachyon Wars
69% matchMixed40% of 10 reviews2021
Dev: Fair Games
Windows
Tachyon Wars is a sci-fi real-time space strategy game. It introduces seriously deep gameplay with an emphasis on fleet control. Open space to explore, large-scale battles, crafty AI. All of it is well seasoned with novel real-time game mechanics.
Why similar: 4X 46.5% ★, Strategy 14.2%, Futuristic 12.1%, Aliens 10.6%, Sci-fi 9.6%
- #54 Void Destroyer 2
68% matchVery Positive80% of 667 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 14.5 hrs≥1hr: 75%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: 4X 31.5% ★, Space Sim 30.5%, Building 11.7%, Sci-fi 6.6%, Open World 6.6%
- #55 Planet Keeper Program
66% matchPositive100% of 14 reviews2026
Dev: Robo-Human Studios
Windows
You were chosen for the Planet Keeper Program. Defend the planet in this retro-inspired incremental game. Upgrade our defenses, destroy our enemies, ensure our future.
Why similar: Idler 33.6%, Aliens 17.3%, Space Sim 10.6%, Futuristic 9.4%, Strategy 8.8%
- #56 Nova Empire
68% matchMixed53% of 287 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.6 hrsMean: 11.9 hrs≥1hr: 56%
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Why similar: 4X 32.4% ★, Space Sim 29.4%, PvE 9.1%, Sci-fi 8.8%, Strategy 8.6%
- #57 Delos: Space Traffic Control
66% matchVery Positive83% of 54 reviews2025
Dev: hv
Windows
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 54.5%, Sci-fi 12.2%, Strategy 11.6%, Simulation 10.7%, Incremental 9.7%
- #58 Spaceman's Luck
67% matchNo user reviews2026
Dev: Gideon Kennedy
Windows · Mac · Linux
Do you have a Spaceman's Luck? A space strategy game.
Why similar: 4X 69.9% ★, Strategy 17.7%, Sci-fi 11%, Singleplayer 1.4%
- #59 Galactic Ruler Enlightenment
67% matchMixed63% of 19 reviews2024
Dev: BattleGoat Studios
Windows
Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.
Why similar: 4X 32.7% ★, Space Sim 16.4%, Aliens 14.1%, Futuristic 10.4%, Strategy 8.2%
- #60 Lords of Kingdoms
69% matchMixed43% of 88 reviews2018
Dev: ThankGame.com
Windows
Lords of Kingdoms is a multiplayer online war game. Turn your small castle into a mighty fortress and become ruler of the greatest realm.
Why similar: 4X 59.8% ★, Building 26.4%, Strategy 11.2%, Simulation 1.1%, RPG 0.7%