- #1 Stellaris
97% matchVery Positive86% of 191,915 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.5 hrsMean: 142.4 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 26.8% ★, Grand Strategy 24.2% ★, Space 13.6%, Diplomacy 10.7% ★, Sandbox 8.2%
Why You'll Like It: As the base engine for Star Trek: Infinite, this is the definitive grand strategy experience for space exploration and empire management.
- #2 Galactic Civilizations IV
96% matchMostly Positive73% of 2,388 reviews2023
Dev: Stardock Entertainment
Windows
Median: 5.1 hrsMean: 21.9 hrs≥1hr: 85%
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: 4X 25.4% ★, Grand Strategy 22.3% ★, Diplomacy 18.6% ★, Space 10.5%, Sandbox 7.9%
Why You'll Like It: This title offers a deep, modern 4X experience with complex diplomacy and faction-based gameplay similar to the seed game.
- #3 Sins of a Solar Empire II
96% matchVery Positive84% of 8,167 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 28.7 hrs≥1hr: 85%
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
Why similar: 4X 38.4% ★, Space 19.9%, RTS 18.3%, PvE 6.4%, PvP 5.9%
Why You'll Like It: It perfectly balances real-time strategy with 4X empire management, focusing on large-scale fleet combat and territory control.
- #4 Terra Invicta
94% matchVery Positive81% of 9,023 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.5 hrsMean: 51.4 hrs≥1hr: 80%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: 4X 24.5% ★, Grand Strategy 20.7% ★, Diplomacy 19.9% ★, RTS 9%, Sandbox 7.2%
Why You'll Like It: Created by the developers of the Long War mod, this game offers intense geopolitical grand strategy on a solar-system scale.
- #5 Distant Worlds 2
95% matchMostly Positive71% of 3,478 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 9.3 hrsMean: 42.6 hrs≥1hr: 75%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 42.9% ★, Grand Strategy 31.2% ★, Space 13.7%, Strategy 6.4%, Simulation 4%
Why You'll Like It: This game provides an unparalleled level of scale and automation for managing a sprawling space empire.
- #6 ENDLESS™ Space 2
94% matchVery Positive83% of 22,789 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 25.9 hrs≥1hr: 87%
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Why similar: Strategy 58%, 4X 18.4% ★, Space 14.6%, Grand Strategy 6.4% ★, RTS 0.9%
Why You'll Like It: A highly polished sci-fi 4X game that features distinct faction identities and a strong emphasis on narrative exploration.
- #7 Dune: Spice Wars
93% matchMostly Positive79% of 13,257 reviews2023
Dev: Shiro GamesPub: Funcom
Windows
Median: 7.0 hrsMean: 16.2 hrs≥1hr: 85%
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Why similar: 4X 24.3% ★, Grand Strategy 19.6% ★, Diplomacy 19.4% ★, RTS 11.6%, Management 10.6%
Why You'll Like It: A unique hybrid of 4X and real-time strategy that emphasizes faction-specific mechanics and resource management.
- #8 X4: Foundations
92% matchMostly Positive80% of 27,985 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
Why similar: 4X 22.4% ★, Space Sim 20.1% ★, Space 13.6%, Sandbox 12.1%, Flight 8.1%
Why You'll Like It: A deep space simulation that focuses on economy, trading, and fleet management within a living, breathing sandbox galaxy.
- #9 Star Trek: Resurgence
91% matchVery Positive89% of 2,970 reviews2024
Dev: Dramatic LabsPub: Bruner House
Windows
Median: 7.6 hrsMean: 8.1 hrs≥1hr: 79%
Authentic Star Trek adventure from former members of Telltale Games. Engage in diplomacy, pilot shuttlecraft, and use your tricorder and phaser to overcome challenging puzzles and deadly threats. Tough decisions will impact relationships, your story, and the fate of the galaxy. What will YOU do?
Why similar: Space 55.4%, Choices Matter 23.9%, Story Rich 12.2%, 3D 8.5%
Why You'll Like It: If you enjoy the narrative and role-playing aspects of Star Trek: Infinite, this choice-driven adventure captures the spirit of the franchise perfectly.
- #10 Star Trek Online
91% matchMostly Positive79% of 20,893 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 132.7 hrs≥1hr: 84%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: Space 61.4%, Open World 15.6%, PvE 9.7%, PvP 9.5%, Strategy 3.7%
Why You'll Like It: This MMORPG allows players to command their own starships and engage in the Star Trek universe on a grand, persistent scale.
- #11 Age of Wonders: Planetfall
90% matchMostly Positive80% of 6,593 reviews2019
Dev: Triumph StudiosPub: Paradox Interactive
Windows · Mac
Median: 3.9 hrsMean: 15.9 hrs≥1hr: 85%
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
Why similar: 4X 55.1% ★, Space 14.5%, Management 13.5%, Strategy 8.6%, PvP 8.4%
Why You'll Like It: This sci-fi 4X title combines empire building with tactical turn-based combat, offering a different but complementary strategic experience.
- #12 Master of Orion
89% matchMostly Positive77% of 8,105 reviews2016
Dev: NGD StudiosPub: Wargaming Labs
Windows · Mac · Linux
Median: 9.2 hrsMean: 101.9 hrs≥1hr: 92%
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
Why similar: 4X 63.2% ★, Space 16.8%, Strategy 9.6%, Grand Strategy 9.3% ★, RTS 1.1%
Why You'll Like It: A classic 4X experience that defined the genre, offering straightforward but engaging space empire management.
- #13 Pax Nova
89% matchMixed57% of 447 reviews2020
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.4 hrsMean: 6.5 hrs≥1hr: 88%
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Why similar: 4X 28.4% ★, Grand Strategy 21.6% ★, Diplomacy 16.7% ★, Space 9.5%, Military 7%
Why You'll Like It: A sci-fi 4X game that emphasizes exploration and diplomacy across multiple planets and star systems.
- #14 Interstellar Space: Genesis
88% matchVery Positive84% of 818 reviews2019
Dev: Praxis Games
Windows
Median: 1.3 hrsMean: 11.7 hrs≥1hr: 54%
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 34.1% ★, Grand Strategy 20.6% ★, Space 12.3%, Diplomacy 12.2% ★, Sandbox 5.3%
Why You'll Like It: A turn-based 4X game that focuses heavily on exploration and the discovery of new technologies and alien species.
- #15 Galactic Civilizations III
87% matchMostly Positive77% of 10,370 reviews2015
Dev: Stardock Entertainment
Windows
Median: 4.6 hrsMean: 17.4 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 32.9% ★, Grand Strategy 26.1% ★, Space 10.6%, Sandbox 10.2%, PvP 7.2%
Why You'll Like It: A robust 4X strategy game with extensive ship customization and a focus on galactic-scale diplomacy.
- #16 Homeworld 3
86% matchMixed41% of 8,530 reviews2024
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows
Median: 4.8 hrsMean: 58.0 hrs≥1hr: 73%
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
Why similar: RTS 37.9%, Space 32.1%, Management 10.7%, Strategy 8.1%, Story Rich 4.9%
Why You'll Like It: Focuses on tactical fleet command in 3D space, providing the high-stakes combat feel found in Star Trek conflicts.
- #17 NEBULOUS: Fleet Command
85% matchVery Positive81% of 3,819 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 4.9 hrsMean: 30.4 hrs≥1hr: 77%
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Why similar: Grand Strategy 28.4% ★, Diplomacy 25.9% ★, RTS 14.5%, Military 10.8%, Sandbox 9.6%
Why You'll Like It: A tactical space combat simulator that emphasizes realistic sensor mechanics and fleet positioning.
- #18 Starpoint Gemini Warlords
86% matchMostly Positive73% of 3,569 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 88%
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 26.6% ★, Grand Strategy 17.7% ★, Space Sim 15.3% ★, Space 14.2%, Sandbox 8.2%
Why You'll Like It: Blends RPG elements with strategy and fleet management, perfect for players who want to lead from the bridge of their own ship.
- #19 Millennia
83% matchMixed67% of 3,746 reviews2024
Dev: C Prompt GamesPub: Paradox Interactive
Windows
Median: 14.3 hrsMean: 34.4 hrs≥1hr: 86%
Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.
Why similar: 4X 32.9% ★, Grand Strategy 26.2% ★, Diplomacy 21.6% ★, Military 7.3%, Management 6.1%
Why You'll Like It: A turn-based 4X game that allows players to guide their civilization through history, offering deep strategic customization.
- #20 Sins of a Solar Empire®: Rebellion
84% matchVery Positive93% of 16,246 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 18.2% ★, Diplomacy 16.6% ★, Grand Strategy 15.1% ★, Space Sim 9.6% ★, RTS 8.6%
Why You'll Like It: A classic RTS/4X hybrid that remains a staple for fans of large-scale space warfare and diplomacy.
- #21 Star Ruler 2
84% matchVery Positive82% of 719 reviews2015
Dev: Blind Mind Studios
Windows · Linux
Median: 4.0 hrsMean: 8.9 hrs≥1hr: 93%
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.
Why similar: 4X 51% ★, Space 21.1%, RTS 20.6%, Strategy 7.3%
Why You'll Like It: Features massive scale and a unique diplomacy system that allows for complex political maneuvering between star-faring civilizations.
- #22 Lord of Rigel
81% matchMixed70% of 102 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 21.5% ★, Grand Strategy 18.1% ★, Diplomacy 15.9% ★, Space Sim 9.8% ★, Space 8.6%
Why You'll Like It: A space 4X strategy game that focuses on diplomacy and galactic council politics, mirroring the diplomatic focus of Infinite.
- #23 Star Trek Timelines
82% matchMixed66% of 1,496 reviews2017
Dev: Tilting Point
Windows
Median: 2.1 hrsMean: 199.9 hrs≥1hr: 58%
Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek.
Why similar: Space 75.9%, Strategy 24.1%
Why You'll Like It: A strategy-focused game that allows players to collect and manage iconic characters and ships from across the entire Star Trek franchise.
- #24 ENDLESS™ Space - Definitive Edition
80% matchVery Positive81% of 9,559 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.6 hrsMean: 13.3 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 51.4% ★, Space 19.7%, Strategy 10%, Diplomacy 7.9% ★, Grand Strategy 7.1% ★
Why You'll Like It: The original classic that set the stage for modern sci-fi 4X games with its unique faction mechanics and research trees.
- #25 Star Ruler
81% matchVery Positive83% of 340 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 43.3% ★, Space 17.8%, Grand Strategy 17.2% ★, RTS 13.9%, Strategy 7.8%
Why You'll Like It: An indie strategy title that allows for massive scale and complex ship design in a sandbox environment.
- #26 Star Trek: Voyager - Across the Unknown
76% matchMostly Positive80% of 3,623 reviews2026
Dev: GamexcitePub: Daedalic Entertainment
Windows
Median: 6.5 hrsMean: 15.8 hrs≥1hr: 88%
Star Trek: Voyager - Across the Unknown is a story-driven survival strategy game in which the fate of the iconic starship is in your hands. Take the helm, manage the ship and resources, and make difficult decisions. Will you be able to bring home the ship and its crew?
Why similar: Space Sim 36.4% ★, Management 20.1%, Space 16.9%, Strategy 11.5%, Exploration 6.7%
- #27 Sid Meier's Civilization VII
75% matchMixed48% of 53,475 reviews2025
Dev: Firaxis GamesPub: 2K
Windows · Mac · Linux
Median: 17.4 hrsMean: 44.1 hrs≥1hr: 93%
The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!
Why similar: 4X 29.5% ★, Grand Strategy 27.2% ★, Diplomacy 25.2% ★, Military 9.4%, PvP 3.4%
- #28 StarDrive
79% matchMixed45% of 1,482 reviews2013
Dev: Zero Sum Games
Windows
Median: 2.3 hrsMean: 6.7 hrs≥1hr: 88%
As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.
Why similar: 4X 56.8% ★, Space 19.7%, RTS 15.7%, Strategy 7.7%
Why You'll Like It: A 4X space strategy game that features real-time combat and deep ship-building mechanics.
- #29 Horizon
79% 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: 4X 34.2% ★, Grand Strategy 30.5% ★, Space 13.6%, Sandbox 10%, Exploration 5.1%
Why You'll Like It: A space-based 4X game that emphasizes exploration and the management of a growing interstellar empire.
- #30 X3: Reunion
78% matchMostly Positive72% of 725 reviews2006
Dev: Egosoft
Windows · Mac · Linux
Median: 36 minMean: 8.8 hrs≥1hr: 41%
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
Why similar: Space 32.3%, Space Sim 26.9% ★, Sandbox 14.5%, Flight 8.8%, Strategy 6.1%
Why You'll Like It: A complex space simulation that offers a vast sandbox for players to build trade empires and command fleets.
- #31 Distant Worlds: Universe
77% matchMostly Positive75% of 1,845 reviews2014
Dev: Code ForcePub: Slitherine Ltd.
Windows
Median: 2.9 hrsMean: 23.9 hrs≥1hr: 59%
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 45.9% ★, Grand Strategy 20.4% ★, Space 16.3%, RTS 6.7%, Strategy 5.1%
- #32 Airship: Kingdoms Adrift
75% matchMostly Positive76% of 1,027 reviews2023
Dev: Revolution IndustryPub: indie.io
Windows
Median: 6.2 hrsMean: 22.1 hrs≥1hr: 79%
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
Why similar: 4X 29.6% ★, Space Sim 15.6% ★, Sandbox 13.9%, PvP 10.4%, Management 9.3%
- #33 ENDLESS™ Legend 2
73% matchVery Positive84% of 2,346 reviews2025
Dev: AMPLITUDE StudiosPub: Hooded Horse
Windows
Median: 5.1 hrsMean: 11.3 hrs≥1hr: 80%
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
Why similar: 4X 27.6% ★, Grand Strategy 23.1% ★, Diplomacy 21.6% ★, Sandbox 7.9%, Management 7.7%
- #34 Master of Orion 3
78% matchMixed53% of 183 reviews2016
Dev: Quicksilver SoftwarePub: Wargaming Labs
Windows
Median: 12 minMean: 6.3 hrs≥1hr: 38%
Experience first-hand the challenges of leading one of 16 different races into unequalled galactic supremacy and face a universe of decisions. Set policies, explore, build, declare war, negotiate - put all these elements into motion to guarantee your place in the annals of space and time.
Why similar: 4X 75.8% ★, Space 12.6%, Strategy 11.6%
Why You'll Like It: While complex, it offers a deep look into the management of a galactic empire with a focus on population and planetary development.
- #35 Sins of a Solar Empire: Trinity®
77% matchMostly Positive77% of 809 reviews2011
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 2.0 hrsMean: 30.9 hrs≥1hr: 59%
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
Why similar: 4X 25.2% ★, Diplomacy 18.8% ★, Space Sim 12.5% ★, RTS 11.3%, Space 8.9%
- #36 Stellar Monarch
76% matchVery Positive80% of 226 reviews2016
Dev: Silver Lemur Games
Windows
Median: 4.2 hrsMean: 7.8 hrs≥1hr: 83%
Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.
Why similar: 4X 30.5% ★, Grand Strategy 26.6% ★, Diplomacy 20.8% ★, Space 10.4%, Management 7%
- #37 Star Dynasties
74% matchMostly Positive73% of 492 reviews2021
Dev: Pawley GamesPub: Iceberg Interactive
Windows
Median: 2.8 hrsMean: 7.7 hrs≥1hr: 73%
Take the reins of a feudal dynasty in a divided galaxy following the destruction of earth. Star Dynasties is a turn based, procedurally generated narrative of human drama and personal politics, mixed with a light empire management layer. Your choices. Your legacy.
Why similar: Grand Strategy 28.2% ★, Diplomacy 27.6% ★, Science 14.9% ★, Space 10.6%, Management 8.7%
- #38 The Pegasus Expedition
74% matchMixed63% of 382 reviews2023
Dev: Kalla GameworksPub: Fulqrum Publishing
Windows
Median: 3.7 hrsMean: 5.8 hrs≥1hr: 93%
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 25.9% ★, Grand Strategy 22% ★, Diplomacy 21.4% ★, Space 9.9%, Management 7%
- #39 Old World
72% matchVery Positive82% of 6,135 reviews2022
Dev: Mohawk GamesPub: Hooded Horse
Windows · Mac · Linux
Median: 3.6 hrsMean: 11.7 hrs≥1hr: 83%
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?
Why similar: 4X 27.7% ★, Grand Strategy 23.3% ★, Diplomacy 21.9% ★, Management 7.8%, Military 7.2%
- #40 Solar Nations 2
71% matchVery Positive90% of 71 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 30.6% ★, Grand Strategy 30% ★, Space 13%, Military 9.4%, Management 6.9%
- #41 Star Traders: Frontiers
71% matchVery Positive84% of 3,754 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.3 hrsMean: 24.5 hrs≥1hr: 74%
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Why similar: Space Sim 29.1% ★, Sandbox 18.3%, Management 18.1%, Space 17.2%, Open World 7.3%
- #42 Star Traders: 4X Empires
73% matchMixed63% of 82 reviews2014
Dev: Trese Brothers
Windows · Mac · Linux
Median: 1.6 hrsMean: 2.8 hrs≥1hr: 94%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: 4X 29.9% ★, Diplomacy 23.5% ★, Grand Strategy 20.7% ★, Space 8.8%, Management 7.3%
- #43 Heart of the Machine
67% matchVery Positive93% of 1,838 reviews2026
Dev: Arcen GamesPub: Hooded Horse
Windows · Mac
Median: 4.2 hrsMean: 17.3 hrs≥1hr: 73%
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
Why similar: 4X 25.5% ★, Grand Strategy 24.4% ★, Diplomacy 22.9% ★, Sandbox 8.9%, Management 8.6%
- #44 Sid Meier's Civilization®: Beyond Earth™
72% matchMixed60% of 22,976 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 46.2% ★, Grand Strategy 21.3% ★, Space 19.1%, Strategy 9.1%, Exploration 3.3%
- #45 Unending Galaxy
73% 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 35% ★, Space 18.3%, Space Sim 15.9% ★, Sandbox 11.2%, Strategy 9.3%
- #46 Nova: Space Armada
70% matchMixed52% of 221 reviews2024
Dev: STONE3 PTE. LTD.
Windows
An exceptional sci-fi strategy game based on space adventure as its core.
Why similar: 4X 39.9% ★, Space Sim 18.1% ★, Space 9.7%, PvP 7.2%, PvE 5.7%
- #47 Stars in Shadow
71% matchMostly Positive79% of 816 reviews2017
Dev: Ashdar GamesPub: Iceberg Interactive
Windows
Median: 2.5 hrsMean: 14.5 hrs≥1hr: 66%
Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.
Why similar: 4X 72.9% ★, Space 18.4%, Strategy 8.7%
- #48 Between the Stars
68% matchMostly Positive74% of 2,427 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.9 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space 32.2%, Space Sim 28.7% ★, Sandbox 12.4%, Strategy 6.6%, Flight 5.8%
- #49 Exogate Initiative
66% matchMostly Positive76% of 699 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: 4X 32.2% ★, RTS 15.5%, Sandbox 11.8%, Management 11.8%, Space 11.6%
- #50 Europa Universalis V
64% matchMostly Positive72% of 26,573 reviews2025
Dev: Paradox TintoPub: Paradox Interactive
Windows
Median: 45.3 hrsMean: 90.7 hrs≥1hr: 92%
Use war, trade or diplomacy to satisfy your grandest ambitions and dominate five centuries of history in the newest version of Europa Universalis, Paradox Interactive's flagship historical grand strategy game.
Why similar: 4X 37.3% ★, Grand Strategy 33% ★, Diplomacy 19.7% ★, Strategy 3.6%, Choices Matter 2.7%
- #51 Galactic Ruler
69% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.4 hrsMean: 7.1 hrs≥1hr: 96%
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 30.1% ★, Grand Strategy 24% ★, Space Sim 15.5% ★, Space 12.4%, RTS 11.5%
- #52 Nexus 5X
66% matchVery Positive91% of 917 reviews2024
Dev: Whatboy GamesPub: Paradox Arc
Windows
Median: 2.3 hrsMean: 5.4 hrs≥1hr: 67%
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
Why similar: 4X 27.6% ★, Diplomacy 22.1% ★, Science 14.2% ★, Space 10.2%, Management 7.6%
- #53 Imperiums: Greek Wars
68% matchVery Positive86% of 540 reviews2020
Dev: Kube Games
Windows
Median: 4.1 hrsMean: 9.0 hrs≥1hr: 70%
Unique combination of turn-based 4X and historical grand strategy with a mythological twist. Explore the ancient world and build a world leading civilization. Survive, expand, conquer... and win!
Why similar: 4X 29.7% ★, Grand Strategy 23.8% ★, Diplomacy 18.3% ★, Management 7.4%, Military 7.3%
- #54 SpaceBourne 2
65% matchMostly Positive77% of 4,992 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 10.9 hrs≥1hr: 70%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 26.8% ★, Science 19.9% ★, Flight 15.7%, Space 14.8%, Management 9.5%
- #55 Sid Meier's Starships
70% matchMixed50% of 2,454 reviews2015
Dev: Firaxis GamesPub: 2K
Windows · Mac
Median: 4.6 hrsMean: 7.5 hrs≥1hr: 87%
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
Why similar: Space 51.4%, 4X 32.5% ★, Strategy 16.1%
- #56 Realpolitiks 3: Earth and Beyond
67% matchMostly Negative39% of 279 reviews2025
Dev: JujubeePub: Fulqrum Publishing
Windows · Mac · Linux
Prove your political brilliance in a grand strategy like no other: pick any contemporary country, set up your government and navigate the pitfalls of domestic and international politics. A glorious destiny awaits - the domination of not just the Earth, but the whole Solar system!
Why similar: Grand Strategy 27.1% ★, Diplomacy 19.2% ★, 4X 13.5% ★, Science 12.5% ★, Space 9.4%
- #57 Carrier Command 2
66% matchVery Positive82% of 3,658 reviews2021
Dev: GeometaPub: MicroProse Software
Windows · Mac
Median: 9.1 hrsMean: 15.6 hrs≥1hr: 91%
Carrier Command 2 is the real-time strategy game that puts you in command of a futuristic carrier capable of deploying a vast array of aircraft and amphibious units. Compete against AI or human players and hop into every single vehicle to take matters into your own hands!
Why similar: Grand Strategy 32.1% ★, RTS 20.1%, Military 10.7%, Management 10.1%, PvP 9.1%
- #58 Nova Empire
68% matchMixed53% of 283 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.9 hrsMean: 12.5 hrs≥1hr: 57%
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% ★, Space Sim 18.2% ★, PvE 9%, PvP 8.6%, Exploration 6.4%
- #59 Galactic Civilizations® I: Ultimate Edition
69% matchMixed50% of 300 reviews2012
Dev: Stardock Entertainment
Windows
Median: 6 minMean: 8.3 hrs≥1hr: 24%
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
Why similar: 4X 31% ★, Grand Strategy 24.6% ★, Diplomacy 18.5% ★, Space 8.6%, Sandbox 7.5%