- #1 Lord of Rigel
97% matchMixed68% of 115 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: 4X 19.5% ★, Grand Strategy 18.9% ★, Diplomacy 15.4% ★, Space 10%, Space Sim 7.6%
- #2 Galactic Civilizations IV
96% matchMostly Positive73% of 2,564 reviews2023
Dev: Stardock Entertainment
Windows
Median: 5.0 hrsMean: 22.2 hrs≥1hr: 84%
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Why similar: Grand Strategy 16.7% ★, 4X 16.6% ★, Diplomacy 12.9% ★, Moddable 10.9% ★, Space 8.8%
- #3 Stellaris
96% matchVery Positive86% of 196,831 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.4 hrsMean: 144.9 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: Grand Strategy 21% ★, 4X 20.1% ★, Space 13.2%, Diplomacy 8.6% ★, Moddable 7.5% ★
- #4 Galactic Civilizations III
95% matchMostly Positive77% of 10,389 reviews2015
Dev: Stardock Entertainment
Windows
Median: 4.6 hrsMean: 17.6 hrs≥1hr: 88%
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Why similar: 4X 17.3% ★, Grand Strategy 15.8% ★, Moddable 12.8% ★, Hex Grid 12% ★, Aliens 10.1%
- #5 Distant Worlds 2
94% matchMostly Positive71% of 3,552 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.5 hrsMean: 41.2 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 30.7% ★, Grand Strategy 25.7% ★, Space 12.6%, Strategy 9.1%, Simulation 8.5%
- #6 Fragile Existence
94% 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: 4X 16.7% ★, Grand Strategy 16.2% ★, Diplomacy 14.5% ★, Moddable 12.3% ★, Space 8.5%
- #7 Falling Frontier
93% 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: Grand Strategy 18.2% ★, 4X 18.1% ★, Diplomacy 13.2% ★, Moddable 12.1% ★, Space 10.1%
- #8 Distant Worlds: Universe
92% matchMostly Positive75% of 1,855 reviews2014
Dev: Code ForcePub: Slitherine Ltd.
Windows
Median: 3.0 hrsMean: 24.3 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 36.6% ★, Grand Strategy 18.7% ★, Space 16.6%, Strategy 8.2%, Sci-fi 7%
- #9 Spaceman's Luck
91% 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: Grand Strategy 24.4% ★, 4X 22.3% ★, Space 20.2%, Strategy 8%, Sci-fi 7%
- #10 Sid Meier's Civilization®: Beyond Earth™
91% matchMixed61% of 23,137 reviews2014
Dev: Firaxis GamesPub: 2K
Windows · Mac · Linux
Median: 7.9 hrsMean: 29.6 hrs≥1hr: 92%
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
Why similar: 4X 22.6% ★, Grand Strategy 12% ★, Space 12%, Hex Grid 9.9% ★, Sci-fi 9%
- #11 Ascendance
90% matchNo user reviews2027
Dev: Torchdrive
Windows
Ascendance is a real-time space strategy game that sees you lead your civilisation into a vast and mysterious galaxy. Experience an immersive journey with detailed civilisations, deeply-simulated economies, internal politics, nuanced diplomacy, and intense space battles.
Why similar: 4X 22.7% ★, Grand Strategy 21.3% ★, Diplomacy 11.6% ★, Space 10.4%, Moddable 10% ★
- #12 The Pegasus Expedition
89% matchMixed63% of 390 reviews2023
Dev: Kalla GameworksPub: Fulqrum Publishing
Windows
Median: 3.7 hrsMean: 5.7 hrs≥1hr: 94%
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Why similar: 4X 20% ★, Grand Strategy 19.6% ★, Diplomacy 17.6% ★, Space 9.9%, Aliens 9.1%
- #13 Alliance of the Sacred Suns
89% matchNo user reviews
Dev: KatHawk Studios
Windows · Mac
Alliance of the Sacred Suns is a sci-fi grand-strategy RPG that begins with your coronation as the head of an interstellar Empire, and ends with your demise. Manage feuding noble houses and the schemes of would-be usurpers as you try to revive the glory of an Empire on the brink of collapse.
Why similar: 4X 19.9% ★, Grand Strategy 18.4% ★, Moddable 13.1% ★, Hex Grid 12.7% ★, Space 10.2%
- #14 Gate Builders
88% matchNo user reviews
Dev: Pyralis Studio
Windows · Linux
Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!
Why similar: 4X 24.1% ★, Grand Strategy 22.7% ★, Diplomacy 12.9% ★, Space 11%, Sci-fi 7.3%
- #15 Mandate of Galactic Empires
87% 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 31.7% ★, Grand Strategy 14% ★, Hex Grid 13.6% ★, Space Sim 11%, Space 11%
- #16 Commanders Fury
86% 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 25.1% ★, Grand Strategy 17% ★, Space 13.4%, Diplomacy 11.1% ★, Strategy 7.3%
- #17 Old Stars
86% 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 29% ★, Grand Strategy 26% ★, Space 12.6%, Strategy 9.5%, Simulation 6.6%
- #18 Dust Fleet
84% matchMostly Positive76% of 229 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 36.7% ★, Space 19%, Space Sim 15%, Sci-fi 11.3%, Strategy 9.1%
- #19 Tachyon Wars
85% 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 28.8% ★, Grand Strategy 23.3% ★, Space 14.9%, Strategy 10%, Sci-fi 7.9%
- #20 Sins of a Solar Empire®: Rebellion
84% matchVery Positive93% of 16,336 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: 4X 19.2% ★, Diplomacy 18.7% ★, Grand Strategy 18.4% ★, Space 9.6%, Space Sim 8.7%
- #21 Galactum Meridian
83% matchNo user 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 29.4% ★, Grand Strategy 14.6% ★, Space 13.7%, Space Sim 11.1%, Strategy 9.4%
- #22 Galactic Ruler
82% 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: 4X 19.6% ★, Grand Strategy 18.1% ★, Aliens 10.8%, Space 10.4%, Moddable 9.2% ★
- #23 Existence: The Outer Reach
82% matchNo user reviews
Dev: Cozy Orchards
Windows
Existence is a strategy game on a massive scale. Lead your expanding empire, explore the galaxy, and master simultaneous space and planetary battles. Engage in solo play or team up with friends for intense PvP and co-op action.
Why similar: Diplomacy 22.9% ★, 4X 18.6% ★, Grand Strategy 16.9% ★, Space 10.4%, Space Sim 7.2%
- #24 Astronomics Rise of a New Empire
81% matchMixed50% of 18 reviews2024
Dev: JayFiArts
Windows
Astronomics Rise of a New Empire is an easy-to-learn real-time global strategy(4X) game. Control your faction in an intergalactic conflict. Manage your economy, conduct diplomatic negotiations and build a fleet to rule the galaxy.
Why similar: 4X 22% ★, Grand Strategy 21.8% ★, Diplomacy 17.2% ★, Space 11.6%, Sci-fi 6.2%
- #25 Star Trek: Infinite
81% matchMixed43% of 3,512 reviews2023
Dev: Nimble Giant EntertainmentPub: Paradox Interactive
Windows · Mac
Median: 5.4 hrsMean: 19.0 hrs≥1hr: 79%
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Why similar: 4X 23.8% ★, Grand Strategy 23.5% ★, Diplomacy 17.4% ★, Space 11.4%, Space Sim 7.5%
- #26 Stellar Sovereigns
79% 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 23.8% ★, Grand Strategy 21.8% ★, Space Sim 10.7%, Space 9.8%, Diplomacy 9.6% ★
- #27 Rise of Hegemony
79% matchNo user reviews
Dev: Lion Loewe
Windows
Take control of a country from its very first beginnings and lead it successfully to become a global hegemon. In a complex simulation of economy, diplomacy and warfare the path you chose to triumph is up to you.
Why similar: 4X 22.9% ★, Grand Strategy 21.4% ★, Diplomacy 18.4% ★, Moddable 11.5% ★, Hex Grid 9.7% ★
- #28 Galactic Inheritors
80% 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 37.3% ★, Space 23.5%, Grand Strategy 21.1% ★, Strategy 10.2%, Sci-fi 7.9%
- #29 Interstellar Space: Genesis
78% matchVery Positive84% of 846 reviews2019
Dev: Praxis Games
Windows
Median: 1.7 hrsMean: 11.1 hrs≥1hr: 57%
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Why similar: 4X 27.7% ★, Grand Strategy 19.3% ★, Space 12.8%, Diplomacy 10.6% ★, Sci-fi 7.7%
- #30 Fire and Dark Stars
78% matchNo user reviews2026
Dev: 没工作工作室
Windows
"Fire and Dark Stars" is a real-time 4X strategy game. You can grow your base, build your fleet, search for enemies, and destroy them. You need to carefully manage your resources, set up and protect your supply lines, so that your fleet does not run out of ammo and fuel.
Why similar: 4X 29% ★, Grand Strategy 24.4% ★, Hex Grid 15.4% ★, Space 13.2%, Sci-fi 6.8%
- #31 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: Grand Strategy 29.4% ★, 4X 26.6% ★, Strategy 10.4%, Space 9.5%, Simulation 9.4%
- #32 Freewake
77% matchNo user reviews2027
Dev: Oakshore Studios
Windows
A team-based strategy and space simulation game where allies build an empire together while competing to control it. Explore, trade, colonize, scheme, and fight tactical battles shaped by stealth, sensors, and deception.
Why similar: Grand Strategy 27.8% ★, 4X 24.3% ★, Diplomacy 15.7% ★, Space 10.5%, Strategy 6.1%
- #33 Revival: Recolonization
76% matchMixed69% of 425 reviews2024
Dev: HeroCraft PC
Windows
Median: 5.0 hrsMean: 12.1 hrs≥1hr: 87%
Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.
Why similar: 4X 22.1% ★, Grand Strategy 20.9% ★, Diplomacy 18.1% ★, Hex Grid 15.9% ★, Futuristic 6.9%
- #34 Wayfallen
76% 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 21.8% ★, Space 14.4%, Diplomacy 12.9% ★, Space Sim 11.7%, Moddable 9.8% ★
- #35 Imperialist
75% matchNo user reviews
Dev: BRR Games
Windows · Mac · Linux
From a veteran 4X Strategy developer comes a new deep strategy game of logistics, empire, and control. Develop the New World, industrialise your capital, manage your growing Empire, and outmanoeuvre rivals to become history's first Superpower. Can you exploit the New World to control the Old?
Why similar: Grand Strategy 26.4% ★, 4X 25.2% ★, Diplomacy 21.3% ★, Hex Grid 9.9% ★, Simulation 5.9%
- #36 One Planet
74% matchNo user reviews
Dev: Qardinal Games
Windows · Linux
Disasters rage. Political factions splinter and grasp at power. As the climate crisis threatens stability, will you unite the planet with diplomacy or take aggressive action? Deploy force or build consensus toward net zero emissions in this grand strategy game where stakes get higher by the minute.
Why similar: Grand Strategy 31.3% ★, 4X 28.8% ★, Diplomacy 23% ★, Strategy 8.5%, Procedural Generation 4.5%
- #37 Horizon
75% matchMixed59% of 477 reviews2014
Dev: L3O Interactive
Windows
Median: 2.0 hrsMean: 5.0 hrs≥1hr: 92%
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Why similar: Grand Strategy 26.4% ★, 4X 25.7% ★, Space 13.2%, Sci-fi 7.3%, Strategy 6%
- #38 Hollow Stars
73% 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 31.2% ★, Grand Strategy 27.8% ★, Simulation 11.5%, Strategy 10.2%, Space 9.8%
- #39 Ultakia
73% matchNo user reviews2026
Dev: Simon Alber
Windows
Ultakia is a turn-based space 4X strategy game with distinctive resource management. Explore exotic systems and acquire powerful technologies. Exploit your planets, trade with other races and destroy those who stand in your way.
Why similar: 4X 28.8% ★, Hex Grid 19.9% ★, Space 15.1%, Diplomacy 14.6% ★, Sci-fi 7.7%
- #40 Stellar Reach
72% 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 30.9% ★, Grand Strategy 20.4% ★, Space 13.7%, Sci-fi 8.7%, Futuristic 8.4%
- #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 37.8% ★, Grand Strategy 32.4% ★, Space 12.1%, Strategy 9.8%, Sci-fi 7.8%
- #42 Galactic Civilizations® I: Ultimate Edition
74% matchMixed50% of 306 reviews2012
Dev: Stardock Entertainment
Windows
Median: 6 minMean: 8.5 hrs≥1hr: 24%
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
Why similar: 4X 24.8% ★, Grand Strategy 22.8% ★, Diplomacy 15.9% ★, Space 8.9%, Aliens 8.2%
- #43 Beyond
72% match4 user reviews75% of 4 reviews2024
Dev: Quixotic Universe
Windows
Beyond is a sci-fi turn-based strategy game set in a generated solar system that orbits a distant star every round. Play as one of five alien species as you race to collect resources, build your military, develop new tech, expand the area you control, and drive opposing factions from the system.
Why similar: 4X 24.7% ★, Grand Strategy 20% ★, Hex Grid 17.5% ★, Space 11.4%, Aliens 8.3%
- #44 Nexus Legacy
71% matchMixed68% of 326 reviews2026
Dev: Nexus Legacy Team
Windows
Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.
Why similar: 4X 22.4% ★, Grand Strategy 21.1% ★, Diplomacy 18.3% ★, Space 11%, Futuristic 6.6%
- #45 Shadow Empire
71% matchVery Positive84% of 1,947 reviews2020
Dev: VR DesignsPub: Matrix Games
Windows
Median: 6.3 hrsMean: 76.4 hrs≥1hr: 78%
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Why similar: 4X 22.6% ★, Grand Strategy 20.5% ★, Hex Grid 16.1% ★, Aliens 10.4%, Space 10.3%
- #46 Solar Wave
70% matchMostly Positive77% of 71 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 27.5% ★, Grand Strategy 27% ★, Space 14.7%, Sci-fi 7.7%, Strategy 6.6%
- #47 EOL: End Of Line
71% matchNo user reviews2025
Dev: MLS Games, LLC
Windows
A sci-fi turn-based strategy game, no gimmicky mechanics just pure 4x glory.
Why similar: 4X 32.9% ★, Grand Strategy 29.3% ★, Strategy 11.3%, Hex Grid 11.3% ★, Futuristic 7.1%
- #48 ENDLESS Space™ - Definitive Edition
70% matchVery Positive81% of 9,603 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.5 hrsMean: 13.5 hrs≥1hr: 87%
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.
Why similar: 4X 37% ★, Space 18.2%, Strategy 14.5%, Sci-fi 8.1%, Diplomacy 6.1% ★
- #49 Astro Protocol
68% matchVery Positive94% of 65 reviews2026
Dev: Null Vector Studios
Windows · Mac · Linux
Astro Protocol is a high-stakes, turn-based 4X space strategy game distilled into intense one-hour matches. Six factions, randomized maps, tech trees, and anomalies ensure every run is unique. Victories are earned against challenging opponents that play to win.
Why similar: 4X 27.3% ★, Grand Strategy 24.1% ★, Hex Grid 12.7% ★, Space 12%, Sci-fi 6.5%
- #50 Nova Historia
69% matchNo user reviews
Dev: BairdyDev
Windows
A unique 4X real-time historical strategy game, set on a procedurally generated globe. Play from ancient times, right through to the modern day. Expand your empire, build settlements, units, buildings and construct world wonders. Make History, Your Way.
Why similar: 4X 36.4% ★, Grand Strategy 26.8% ★, Strategy 9.9%, Simulation 9.8%, Hex Grid 7.7% ★
- #51 Uncharted Sectors
69% matchNo user reviews2029
Dev: Luc ToupensePub: N42C
Windows · Linux
A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.
Why similar: Grand Strategy 27.2% ★, Diplomacy 19.8% ★, 4X 17.3% ★, Space 11%, Sci-fi 5.6%
- #52 Cosmist
69% matchNo user reviews2026
Dev: Gulbrandr Studio
Windows · Mac · Linux
Expand your empire one sector at a time in a fast-paced turn-based 4X strategy game. Capture planets, harvest resources, command powerful fleets, and adapt your strategy with unique Emperors and unpredictable divine interventions. Play solo, or challenge rivals in tactical PvP.
Why similar: 4X 35.8% ★, Grand Strategy 30.3% ★, Space 13.6%, Strategy 7.5%, Sci-fi 6.4%
- #53 For The Glory: A Europa Universalis Game
70% matchMostly Positive77% of 173 reviews2009
Dev: Crystal Empire GamesPub: Paradox Interactive
Windows
Median: 36 minMean: 35.9 hrs≥1hr: 43%
Take up the reins of your country, guide domestic and foreign policy, navigate thousands of historical figures and events, engage in various struggles and lead your country to prosperity – all in the name of glory!
Why similar: Grand Strategy 26.2% ★, 4X 23.1% ★, Diplomacy 19% ★, Moddable 11.7% ★, Simulation 6.5%
- #54 Imperium
68% matchNo user reviews2026
Dev: Petroff Games
Windows · Mac · Linux
Imperium is a single-player 4X space strategy game. Colonize alien worlds, design your own spaceships, research exotic technologies, and outmaneuver rival empires through diplomacy or open war. Build a galactic empire and rule it your way.
Why similar: 4X 25.5% ★, Grand Strategy 23.9% ★, Aliens 11.4%, Moddable 9.1% ★, Space 9.1%
- #55 Imperium of the Stars
68% matchNo user reviews2027
Dev: Hyrcronix
Windows
A real-time 4X where each faction plays like a different game. Rule a Gothic empire that runs on faith, unmake the galaxy world by world, or forge a warhost from salvage. Up to 10,000 procedurally generated star systems. No diplomacy. Only war.
Why similar: 4X 36.9% ★, Grand Strategy 31.4% ★, Space 14.2%, Strategy 9.5%, Sci-fi 6.6%
- #56 Stargazer's Terraforming Estate Co.
67% match1 user reviews0% of 1 reviews2024
Dev: Ashina Studios
Windows
Stargazer's Terraforming Estate Company terraforms & sells planets for years. Be a respectful member of the family and monopolize the galaxy by building dyson spheres in the name of the company.
Why similar: Hex Grid 22.6% ★, 4X 21.9% ★, Space 19.2%, Strategy 10.3%, Sci-fi 8.5%
- #57 Feudums
67% matchNo user reviews2026
Dev: Kalamona Studios
Windows
Lead your noble house through brutal wars, shifting allegiances and economic strife in an asynchronous multiplayer 4X strategy. Shape the narrative with or against real players in a medieval world where diplomacy isn't binding, there is NO pay-to-win, and only strategy determines your legacy.
Why similar: 4X 20.2% ★, Grand Strategy 19.3% ★, Diplomacy 17.2% ★, Moddable 14.1% ★, Hex Grid 13.2% ★
- #58 Starpoint Gemini Warlords
67% matchMostly Positive73% of 3,595 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 21.3% ★, Grand Strategy 16.3% ★, Moddable 14.9% ★, Space 14.6%, Space Sim 10.6%
- #59 New Stars
65% 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 25.9% ★, Grand Strategy 24.4% ★, Space 12.4%, Space Sim 9.5%, Procedural Generation 6.4%
- #60 Beyond Astra
66% matchNo user reviews2026
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 27% ★, Grand Strategy 20.5% ★, Diplomacy 13.2% ★, Space 11.2%, Space Sim 6.7%