- #1 Heathen Engineering's Terran
97% matchMostly Negative33% of 15 reviews2019
Dev: Heathen Engineering
Windows · Mac · Linux
Galactic Strategy | Tactics | Action! Found an empire and expand across the stars, command massive fleets in interstellar conflicts and pilot powerful warships as you battle for victory in Heathen Engineering’s Terran.
Why similar: 4X 21.8% ★, Grand Strategy 15.5%, Space 14.1%, Real Time Tactics 12.5%, Third-Person Shooter 12.3%
- #2 Galactic Ruler
96% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.5 hrsMean: 7.0 hrs≥1hr: 97%
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Why similar: Real-Time with Pause 18.3% ★, 4X 16.6% ★, Real Time Tactics 13.5%, Grand Strategy 13.3%, Space Sim 10.2%
- #3 Distant Worlds 2
96% matchMostly Positive71% of 3,566 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.5 hrsMean: 41.5 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 28.1% ★, Grand Strategy 20.5%, Space 12.5%, Strategy 10%, Sci-fi 7.9%
- #4 Old Stars
95% matchNo user reviews
Dev: adamjr
Windows · Mac · Linux
A fast-paced 4X galaxy you can actually finish. Expand by colonising and besieging rival worlds, wield government powers that bend the rules - freeze enemy fleets, sever hyperlanes, vanish into stealth - and race rivals to claim the galactic core. A grand-strategy empire in an evening, not a month.
Why similar: 4X 25.8% ★, Grand Strategy 20.2%, Space 12.2%, Strategy 10.1%, Real Time Tactics 8.9%
- #5 Tachyon Wars
94% 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 26% ★, Grand Strategy 18.3%, Space 14.6%, Real Time Tactics 11.1%, Strategy 10.7%
- #6 Polaris Sector
94% matchMostly Positive72% of 476 reviews2016
Dev: SoftWarWarePub: Slitherine Ltd.
Windows
Can anyone build an empire in a place like this? Other factions are naturally suspicious of newcomers and may wage war at the first sign of unidentified craft. Here, a natural death is an uncommon luxury.
Why similar: 4X 23.9% ★, Real-Time with Pause 21.9% ★, Grand Strategy 15.2%, Space 12.7%, Real Time Tactics 10.6%
- #7 Spaceman's Luck
93% matchNo user reviews2026
Dev: Gideon Kennedy
Windows
A space 4X game. Colonize planets and annihilate enemy races in an intergalactic war for living space. Designed to be fun, fast, and easy to play.
Why similar: 4X 21.3% ★, Space 21%, Grand Strategy 20.4%, Real-Time with Pause 9.2% ★, Strategy 9.1%
- #8 Stellaris
92% matchVery Positive86% of 197,307 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.4 hrsMean: 145.5 hrs≥1hr: 89%
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
Why similar: 4X 23.3% ★, Grand Strategy 21.1%, Space 16.6%, Real-Time with Pause 13.7% ★, Sci-fi 8.2%
- #9 Galactum Meridian
91% matchNegative14% of 14 reviews2026
Dev: Hedra Games
Windows
Lead humanity's first deep survey beyond Sol in a research-first space strategy game. Explore star systems, investigate worlds, deploy probes, and turn scientific discoveries into strategic power.
Why similar: 4X 27.7% ★, Space Sim 14.5%, Space 14.1%, Grand Strategy 12%, Strategy 10.6%
- #10 Distant Worlds: Universe
91% matchMostly Positive75% of 1,856 reviews2014
Dev: Code ForcePub: Slitherine Ltd.
Windows
Median: 3.0 hrsMean: 24.5 hrs≥1hr: 60%
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
Why similar: 4X 35% ★, Space 17.3%, Grand Strategy 15.5%, Real-Time with Pause 11% ★, Strategy 9.3%
- #11 Unending Galaxy
90% matchMixed62% of 125 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 21.3% ★, Real-Time with Pause 18% ★, Space 15.5%, Strategy 13.6%, Space Sim 11.5%
- #12 Stellar Dynasty
89% matchNo user reviews
Dev: Joshua R.D. Wilson
Windows
A sci-fi, 4X, real-time strategy game. Build, fight, and explore to survive against an unstoppable alien threat. Carry the fight from one galaxy to the next as you battle back from the brink of extinction, and unlock the secrets of the past to restore your people to the path of galactic super power.
Why similar: 4X 25% ★, Real-Time with Pause 20.2% ★, Space 15%, Real Time Tactics 10.4%, Futuristic 9.2%
- #13 Commanders Fury
89% matchNo user reviews
Dev: RoboFox Games LLC
Windows
Take command of the war machine of an empire in this 4x RTS hybrid. Fight battles with your flagship fleet in fully 3D real-time space combat. Recruit, train and dispatch commanders. Give them orders, directives and equip their fleets. Manage your empire’s supply logistics and fleet operations.
Why similar: 4X 24.6% ★, Grand Strategy 14.5%, Space 14.2%, Real-Time with Pause 10.1% ★, Real Time Tactics 8.7%
- #14 Lord of Rigel
87% matchMixed69% of 124 reviews2024
Dev: Rhombus Studios
Windows
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
Why similar: Real-Time with Pause 20.4% ★, 4X 18.9% ★, Grand Strategy 16%, Space 10.5%, Space Sim 10.2%
- #15 Dawn of Andromeda
88% matchMixed43% of 244 reviews2017
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.0 hrsMean: 11.6 hrs≥1hr: 86%
Dawn of Andromeda is a pausable, real-time 4X space strategy game providing an accessible, fun and immersive experience, introducing fresh ideas to the genre. Build your empire, colonize new planets, interact with other factions and characters, research technologies and build great fleets.
Why similar: 4X 34.6% ★, Real-Time with Pause 26.9% ★, Space 16.3%, Strategy 14.3%, Sci-fi 7.9%
- #16 Stellar Sovereigns
86% matchMixed65% of 31 reviews2023
Dev: Imagined Reality
Windows
Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.
Why similar: 4X 22.7% ★, Grand Strategy 18.1%, Space Sim 14.1%, Space 10.1%, Real Time Tactics 8.9%
- #17 Near Sol
86% match1 user reviews0% of 1 reviews2022
Dev: LTide
Windows · Mac · Linux
Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)
Why similar: 4X 27.4% ★, Grand Strategy 22%, Real Time Tactics 14.2%, Space 12.3%, Strategy 7.2%
- #18 New Stars
84% match6 user reviews67% of 6 reviews2026
Dev: adamjr
Windows · Mac · Linux
Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities.
Why similar: 4X 22.5% ★, Grand Strategy 18.4%, Real Time Tactics 12.1%, Space 11.7%, Space Sim 11.4%
- #19 The Last Federation
85% matchMostly Positive75% of 508 reviews2014
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.6 hrsMean: 5.1 hrs≥1hr: 90%
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
Why similar: 4X 24.4% ★, Space 19.4%, Real-Time with Pause 14.4% ★, Grand Strategy 13.7%, Strategy 12.8%
- #20 Structura
84% 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 24.6% ★, Grand Strategy 19%, Space Sim 15.1%, Real Time Tactics 12.6%, Strategy 6.8%
- #21 Falling Frontier
83% matchNo user reviews
Dev: Stutter Fox StudiosPub: Hooded Horse
Windows
Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.
Why similar: Real-Time with Pause 22% ★, 4X 20.7% ★, Grand Strategy 18.1%, Space 12.7%, Sci-fi 7.2%
- #22 X4: Foundations
82% matchMostly Positive80% of 30,300 reviews2018
Dev: Egosoft
Windows · Linux
Median: 4.9 hrsMean: 95.4 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 20% ★, Grand Strategy 14.1%, Flight 14%, Space Sim 12.9%, Space 12.3%
- #23 Stellar Reach
81% matchMostly Positive79% of 34 reviews2025
Dev: Stelleas
Windows
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier. Guide your empire through conquest, prosperity, or industrial power as you advance through six distinct tech trees and forge your path to victory.
Why similar: 4X 28.7% ★, Grand Strategy 16.5%, Space 13.8%, Sci-fi 9.1%, Futuristic 8.1%
- #24 Eclipsi
81% matchNo user reviews2026
Dev: 3nc3ladus
Windows
Embark on an epic 3D space shooter adventure featuring dynamic space combat and thrilling planetary exploration. Battle in single or multiplayer modes from 1v1 to 5v5, strategizing to achieve victory through base destruction, resource collection, or base capture. Dominate with our ranking system!
Why similar: Flight 21.4%, Space Sim 19.1%, Third-Person Shooter 16.9%, Space 10.3%, Sci-fi 7%
- #25 Galactic Inheritors
82% matchMixed43% of 88 reviews2015
Dev: Crispon GamesPub: Plug In Digital
Windows
Median: 3.5 hrsMean: 3.6 hrs≥1hr: 97%
Colonise solar systems and watch them grow. Explore the galaxy to find its strategic choke points. Build up your empire and your fleet and then use the power of the media to prepare your people for the inevitable war. At the same time watch your opponents, keep on an eye on their own media and watch for threats and opportunities.
Why similar: 4X 36.5% ★, Space 25%, Grand Strategy 18%, Strategy 11.8%, Sci-fi 8.8%
- #26 Starpoint Gemini Warlords
80% matchMostly Positive73% of 3,598 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.8 hrs≥1hr: 87%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: 4X 19.4% ★, Space 14.4%, Space Sim 13.4%, Grand Strategy 12.9%, Flight 12%
- #27 Arc Savior
79% matchMostly Positive72% of 29 reviews2019
Dev: Squid Monkey Studios
Windows
Discover a beautiful and brutal universe through three immersive stories. Champion blazing fast dog-fights, Out wit aggressive defense systems and overcome constant overwhelming odds. This is your goal, this is your duty, this is your way of life...
Why similar: Flight 19.3%, Space Sim 17.7%, Third-Person Shooter 15.3%, Space 15.1%, Simulation 11.3%
- #28 Red Pearl Pirates
79% matchNo user reviews2025
Dev: Eoin Tolster
Windows · Linux
Command vast fleets in epic space battles, master a turn-based galactic campaign, and unite a pirate rebellion to find the legendary Red Pearl and stand against the tyrannical Z-Army. They can't take the stars from us!
Why similar: Grand Strategy 25.1%, 4X 22.8% ★, Real Time Tactics 15.5%, Space 10.7%, Strategy 7.1%
- #29 Fragile Existence
78% matchNo user reviews2026
Dev: Fragile ContinuumPub: Hooded Horse
Windows
Save humanity from the brink of extinction in this sci-fi strategy game of survival. Travel among the stars to seek out resources, establish and develop colonies to sustain civilization, and grow your military might to push back against an overwhelming threat.
Why similar: Real-Time with Pause 23.2% ★, 4X 20.3% ★, Grand Strategy 17.1%, Space 11.2%, Sci-fi 6.7%
- #30 Solar Nations 2
77% matchVery Positive85% of 634 reviews2025
Dev: Flomgus Games
Windows
In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!
Why similar: 4X 21.4% ★, Grand Strategy 21.2%, Real-Time with Pause 18.9% ★, Space 13%, Futuristic 7.8%
- #31 Solar Nations
78% matchMixed47% of 15 reviews2022
Dev: Flomgus Games
Windows
Command grand fleets and wage strategic wars on an interstellar scale in this new take on galactic Grand Strategy. Transform nature to suit the needs of Empire and surge forward! Will you guide aspiring interstellar nations to glory, or rekindle the flames of a long lost Empire?
Why similar: Real-Time with Pause 27.2% ★, Grand Strategy 21.3%, Space 13.3%, 4X 13.2% ★, Futuristic 8.2%
- #32 Antropico: Colonies
77% matchNo user reviews2027
Dev: Scassius Systems
Windows · Linux
A large-scale space strategy game focused on building and maintaining power within a simulated galaxy. Build, develop, and survive in a galaxy shaped by history and consequences.
Why similar: 4X 26.8% ★, Grand Strategy 25.7%, Strategy 12.4%, Space 10.3%, Futuristic 8.6%
- #33 Solar Wave
75% matchMostly Positive75% of 84 reviews2026
Dev: SavGus Studio
Windows
A large-scale 4X strategy game with indirect control and a focus on simulating a space empire. Capture systems, develop your economy and logistics, call up hundreds of powerful fleets and watch them incinerate enemies of the Solar Empire.
Why similar: 4X 27% ★, Grand Strategy 23.1%, Space 15.7%, Sci-fi 8.6%, Strategy 7.7%
- #34 The Mystery Of The Moon
76% match3 user reviews67% of 3 reviews2023
Dev: HUANG MEI ZHAO
Windows
The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.
Why similar: Flight 19.6%, Space Sim 16.1%, Space 14.7%, Third-Person Shooter 10.6%, Sci-fi 8.9%
- #35 TheFlagship
75% matchNo user reviews
Dev: NeveraiN Games
Windows
"The Flagship" is a singleplayer third-person space warship roguelike game. From destroyers to battleships, choose your vessel and equip it to face node-based roguelike challenges, each adventure is a different experience. Your ship, equipment, skill level and roguelike ability build will be tested.
Why similar: Space Sim 20.6%, Flight 17.4%, Space 17%, Third-Person Shooter 10.3%, Sci-fi 10%
- #36 Solar War
76% matchPositive83% of 36 reviews2015
Dev: Snipefish Entertainment
Windows · Linux
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and expand your campaign to push them back to their base.
Why similar: 4X 21.5% ★, Real-Time with Pause 20.9% ★, Grand Strategy 20.6%, Space 12.9%, Space Sim 12.6%
- #37 Mandate of Galactic Empires
74% matchNo user reviews2026
Dev: Oddbit
Windows · Linux
A logistics-focused turn-based space 4X. Govern through Administrative Nodes, connect systems with wormhole infrastructure, assign population to production and research, and expand only as far as your empire can support.
Why similar: 4X 34.7% ★, Space Sim 16.7%, Grand Strategy 13.3%, Space 13.1%, Sci-fi 9.4%
- #38 Galactic Ruler Enlightenment
74% matchMixed60% of 20 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 21.8% ★, Grand Strategy 21.5%, Space 14.6%, Space Sim 8.2%, Sci-fi 8%
- #39 Descending Empires
73% matchNo user reviews
Dev: Parcyval
Windows
A multiplayer space RTS blending in depth mechanics with fast paced skirmish matches. control and manage an empire together with your team in large-scale physic-based online battles, and expand your army mit modded factions
Why similar: 4X 21.2% ★, Grand Strategy 18.7%, Space Sim 13.7%, Real Time Tactics 12%, Flight 11.4%
- #40 Final Vanguard
73% matchNo user reviews
Dev: Heavy Pepper Inc.
Windows
Rule a living interstellar empire in this real-time 4X grand strategy. Make decisions that shape civilian lives, manage fragile supply lines, lead military conquests, and decide whether your civilization thrives or collapses under its own expansion.
Why similar: 4X 23.6% ★, Grand Strategy 19%, Real-Time with Pause 14.7% ★, Space Sim 13.5%, Space 11.1%
- #41 Stellar Monarch 2
73% matchVery Positive89% of 133 reviews2022
Dev: Silver Lemur Games
Windows
Stellar Monarch 2 is a feudal space empire builder where you feel like the Emperor, not a logistics officer. Great noble houses, usurpers to the throne, rebels, assassins, court intrigues, disloyal admirals, incompetent governors and ever-present alien threat.
Why similar: 4X 37.9% ★, Grand Strategy 28.3%, Space 13.2%, Strategy 11.7%, Sci-fi 8.9%
- #42 After the Crash : Colony
72% matchPositive81% of 16 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 28.2% ★, Space Sim 20.5%, Real Time Tactics 14.2%, Space 13.5%, Sci-fi 8.1%
- #43 Dust Fleet
71% matchMostly Positive76% of 233 reviews2023
Dev: Orbiting DiscoPub: indie.io
Windows
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.
Why similar: 4X 27.2% ★, Real Time Tactics 16.6%, Space Sim 15.2%, Space 15.1%, Sci-fi 9.4%
- #44 群星战纪: 最终防卫线 - STARS ERA: THE FINAL DEFENCE
72% matchPositive88% of 17 reviews2020
Dev: AnimicGame
Windows
We will be the last guardian of the planet, here will be our final line of defense. The Clyde Star Spaceguard will fight to the last moment.
Why similar: Flight 25.3%, Third-Person Shooter 24.8%, Space 24.4%, Sci-fi 12.3%, Action 4.9%
- #45 Galactic Conflict
70% match2 user reviews50% of 2 reviews2026
Dev: Sinpros Software & GamingPub: Sinpros
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 30.7% ★, Space Sim 16.9%, Real Time Tactics 13.7%, Strategy 12.8%, Space 8.6%
- #46 Galaxor
70% matchMixed69% of 13 reviews2026
Dev: MyVLife
Windows
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: Grand Strategy 24.4%, Space Sim 18%, Real Time Tactics 16%, Space 9.3%, Futuristic 8.2%
- #47 Dynasty Protocol
69% matchMixed66% of 38 reviews2026
Dev: Ellipses Studios
Windows
Command your space fleet, mine asteroids, and conquer colonies in this immersive real-time strategy game. Build powerful space stations, upgrade your ships through combat experience, and manage vital resources as you expand your dynasty across a star system.
Why similar: 4X 25.1% ★, Grand Strategy 20.5%, Space 14.8%, Real Time Tactics 13.7%, Sci-fi 8.6%
- #48 Beyond Astra
70% matchNo user reviews2027
Dev: Nebule Games
Windows
Lead your civilization in a galaxy brimming with life and intrigue. Seamlessly explore and expand across uncharted worlds, from their surfaces to the stars. Forge your destiny in this sci-fi 4X offering a unique blend of grand strategy, planetary city-building, and RTS combat.
Why similar: 4X 24.6% ★, Real-Time with Pause 23.3% ★, Grand Strategy 19.3%, Space 9%, Procedural Generation 6.2%
- #49 JUST A GAME
71% match1 user reviews0% of 1 reviews2020
Dev: 可能变不可能
Windows
"Just a Game" is a sci-fi flying shooting game, you will control the robot protagonist zero and lead the partners in this exclusion of artificial intelligence in the world to survive, there are many camps in the game, you can choose to join them or one side.Build your fleet and fight the world.
Why similar: Space Sim 20.6%, Flight 17.6%, Third-Person Shooter 16.2%, Strategy 9.8%, Space 8.6%
- #50 X-COM: Interceptor
71% matchMixed55% of 229 reviews2008
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 6 minMean: 10.3 hrs≥1hr: 22%
They're back...only this time the heinous aliens are out to destroy Earth and rule the new frontier. As X-COM commander, it's your sole duty to protect humanity and the prized mining operations in outer space.
Why similar: Strategy 23.3%, Space 21.2%, Flight 19.8%, Space Sim 18.4%, Sci-fi 16.5%
- #51 Wayfallen
69% matchNo user reviews
Dev: Wayfarer
Windows
A galaxy with its own economy, its own wars, and no reason to wait for you. Trade, mine, fight, and salvage a living - alone on the rim, or at the head of an empire the great powers can't ignore. A single-player space sandbox that never stops moving.
Why similar: 4X 22.8% ★, Space Sim 16.9%, Space 16.4%, Flight 13.3%, Open World 8.2%
- #52 Sylph
67% matchMostly Positive73% of 15 reviews2026
Dev: Softmax Foundries
Windows
Operate a spacecraft at the edge of a singularity. Use realistic orbital mechanics and Newtonian physics to explore a star system around a black hole and what lies beyond.
Why similar: Flight 29.5%, Space Sim 20.7%, Space 15.2%, Sci-fi 10.1%, Realistic 7.7%
- #53 Hollow Stars
68% matchNo user reviews2026
Dev: AppGX
Windows
A deep 2D strategy of cosmic trade and faction warfare. Build trading empires, refine asteroids, lead fleets into battle and run faction politics — solo or in four-player co-op
Why similar: 4X 32% ★, Grand Strategy 24.8%, Strategy 12.4%, Space 11%, Simulation 9.8%
- #54 ARISING
68% matchNo user reviews
Dev: Cold Capacitor
Windows
First person space combat and exploration in an open world in a variety of star systems. Pilot ships, fight, run missions and trade.
Why similar: Flight 19.6%, Space Sim 18.6%, Space 13.2%, Robots 9.1%, Sci-fi 7.7%
- #55 Imperium of the Stars
68% matchNo user reviews2027
Dev: Hyrcronix
Windows
Rebuild a scattered empire in a Gothic galaxy of distant beacons and lost colonies. A real-time 4X with four distinct playable factions, empire-wide command, and Living Sagas shaped by how you govern and conquer up to 10,000 star systems.
Why similar: 4X 36.4% ★, Grand Strategy 27%, Space 15.2%, Strategy 11.2%, Sci-fi 7.4%
- #56 Star Ruler
69% matchVery Positive83% of 342 reviews2010
Dev: Blind Mind Studios
Windows
Median: 30 minMean: 6.2 hrs≥1hr: 41%
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Why similar: 4X 38.4% ★, Space 22.1%, Strategy 16.4%, Grand Strategy 15.3%, Sci-fi 7.5%
- #57 Spaceward Cosmic Conflict
66% matchNo user reviews
Dev: Oğuz Can Soyselçuk
Windows · Linux
Spaceward Cosmic Conflict is a space combat simulator of fast-paced, action packed space battles; set in the future of an alternate history.
Why similar: Flight 20.1%, Space Sim 18.5%, Third-Person Shooter 15.1%, Space 13.9%, Sci-fi 9.5%
- #58 Battleships Collide: Space Shooter
67% matchNo user reviews2025
Dev: HapGames
Windows
Battleships Collide: Explore 3D space, defend the galaxy, and conquer 20 intense levels. Customize your spaceship, collect artifacts for hyper space travels in this thrilling shooter game and become the hero galaxies await!
Why similar: Flight 28.5%, Third-Person Shooter 21%, Space 17.4%, Space Sim 15%, Simulation 6%
- #59 CIVIREVIVAL
66% matchNo user reviews2026
Dev: 筋斗云
Windows
In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.
Why similar: 4X 22% ★, Space 17.8%, Grand Strategy 17%, Space Sim 14.2%, Strategy 8.7%
- #60 Ring Miner
67% match3 user reviews100% of 3 reviews2020
Dev: Game Studio Abraham Stolk Inc.
Windows · Linux
An open world space mining game. Explore a vast planetary ring where every spot on every rock can be mined for minerals. Use your transport ship to drop off the mining rover, anywhere in the ring system, and start digging! Your capable 6-wheeled rover can climb many obstacles.
Why similar: Space Sim 23.2%, Flight 17.6%, Open World 12.3%, Robots 11.7%, Sci-fi 11.3%