- #1 Terra Invicta
97% matchVery Positive81% of 9,264 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.5 hrsMean: 51.9 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 25% ★, Grand Strategy 13.8% ★, Turn-Based 13.4%, Real-Time with Pause 12.8% ★, Space 11.6%
Why You'll Like It: This game offers a similarly intricate political simulation set within our solar system, requiring players to manage factions and global influence.
- #2 AI War 2
96% matchVery Positive88% of 1,536 reviews2019
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.7 hrs≥1hr: 83%
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Why similar: 4X 41.4% ★, Grand Strategy 20.5% ★, Space 15.3%, Strategy 7.9%, Sci-fi 5.7%
Why You'll Like It: Developed by the same team, this title shares the complex, asymmetric grand strategy and deep simulation elements found in The Last Federation.
- #3 Shadow Empire
96% matchVery Positive84% of 1,875 reviews2020
Dev: VR DesignsPub: Matrix Games
Windows
Median: 5.5 hrsMean: 70.1 hrs≥1hr: 77%
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 24.6% ★, Turn-Based 16%, Space 13.4%, Grand Strategy 12.7% ★, Strategy 8.6%
Why You'll Like It: It provides a deep, procedural wargame simulation that mirrors the complexity and strategic depth of managing an entire civilization.
- #4 Distant Worlds 2
95% matchMostly Positive71% of 3,504 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.6 hrsMean: 42.1 hrs≥1hr: 75%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 33% ★, Space 16.1%, Grand Strategy 15.7% ★, Strategy 15.3%, Simulation 8.6%
Why You'll Like It: This grand strategy game features a massive, living galaxy simulation that rewards players for managing the intricate details of their space empire.
- #5 Stellaris
94% matchVery Positive86% of 194,059 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.4 hrsMean: 143.5 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 27.6% ★, Space 21.5%, Grand Strategy 16.3% ★, Strategy 10.2%, Real-Time with Pause 8.5% ★
Why You'll Like It: A premier grand strategy title that excels at diplomacy, empire management, and the simulation of diverse alien civilizations.
- #6 Interstellar Space: Genesis
93% matchVery Positive84% of 825 reviews2019
Dev: Praxis Games
Windows
Median: 1.3 hrsMean: 11.6 hrs≥1hr: 55%
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 27.6% ★, Turn-Based 16.7%, Space 15.2%, Grand Strategy 10.9% ★, Strategy 9.7%
Why You'll Like It: A solid 4X space strategy game that captures the classic feel of exploration and tactical combat within a sci-fi setting.
- #7 Starpoint Gemini Warlords
92% matchMostly Positive73% of 3,581 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 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 31.2% ★, Space 25.4%, Grand Strategy 13.6% ★, Strategy 12.3%, Sci-fi 7.5%
Why You'll Like It: It combines 4X strategy with space simulation and tactical ship combat, offering a similar hybrid gameplay experience.
- #8 ENDLESS™ Space 2
91% matchVery Positive83% of 22,888 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 26.0 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 75%, Space 9.2%, 4X 7.6% ★, Turn-Based 2.9%, Sci-fi 1.8%
Why You'll Like It: Known for its deep faction lore and polished 4X mechanics, it provides a compelling strategic experience in space.
- #9 Stellar Monarch
91% matchVery Positive80% of 227 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 27.1% ★, Turn-Based 18.3%, Grand Strategy 15.5% ★, Space 14.1%, Strategy 8.6%
Why You'll Like It: This game focuses on the grand strategy of ruling an empire, emphasizing the political and administrative challenges of managing a space-faring civilization.
- #10 Sins of a Solar Empire®: Rebellion
90% matchVery Positive93% of 16,284 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 34.2% ★, Space 20.3%, Grand Strategy 18.6% ★, Strategy 11.5%, Sci-fi 7.4%
Why You'll Like It: This title masterfully blends real-time strategy with 4X elements, focusing on large-scale space warfare and empire expansion.
- #11 Galactic Civilizations IV
88% matchMostly Positive73% of 2,448 reviews2023
Dev: Stardock Entertainment
Windows
Median: 5.0 hrsMean: 21.9 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: 4X 30.9% ★, Space 19.6%, Grand Strategy 17.7% ★, Strategy 10.3%, Simulation 6.8%
Why You'll Like It: This title places a heavy emphasis on diplomacy and political maneuvering, which are core pillars of The Last Federation's gameplay.
- #12 AI War: Fleet Command
89% matchVery Positive82% of 1,609 reviews2009
Dev: Arcen Games
Windows · Mac · Linux
Median: 2.7 hrsMean: 5.7 hrs≥1hr: 87%
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Why similar: Strategy 33.2%, 4X 20.2% ★, Space 17.5%, Grand Strategy 10.7% ★, Sci-fi 4.6%
Why You'll Like It: The original predecessor that established the complex, asymmetric strategic style that defines the developer's work.
- #13 Stars in Shadow
89% matchMostly Positive79% of 825 reviews2017
Dev: Ashdar GamesPub: Iceberg Interactive
Windows
Median: 2.5 hrsMean: 14.6 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 40.5% ★, Space 15.6%, Strategy 15.1%, Turn-Based 11.2%, Turn-Based Strategy 5.9%
Why You'll Like It: A vibrant 4X strategy game that focuses on turn-based combat and distinct alien races, echoing the diversity found in the seed game.
- #14 Age of Wonders: Planetfall
87% matchMostly Positive80% of 6,617 reviews2019
Dev: Triumph StudiosPub: Paradox Interactive
Windows · Mac
Median: 3.9 hrsMean: 16.0 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 30.7% ★, Turn-Based 17.5%, Strategy 15.1%, Space 12.3%, Turn-Based Strategy 8.1%
Why You'll Like It: This title excels at turn-based tactical combat and empire building, bringing a sci-fi twist to the classic 4X formula.
- #15 Sword of the Stars: Complete Collection
86% matchVery Positive88% of 710 reviews2010
Dev: Kerberos Productions Inc.Pub: Paradox Interactive
Windows
Median: 48 minMean: 28.2 hrs≥1hr: 48%
Sword of the Stars: Complete Collection is the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light.
Why similar: 4X 39.1% ★, Strategy 17.9%, Turn-Based 17.6%, Space 17%, Sci-fi 5.7%
Why You'll Like It: It features a unique approach to tactical combat and research that makes every playthrough feel distinct and strategically challenging.
- #16 Cosmoteer: Starship Architect & Commander
82% matchVery Positive94% of 12,599 reviews2022
Dev: Walternate Realities
Windows
Median: 19.4 hrsMean: 41.0 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space 30.1%, Real-Time with Pause 23.6% ★, Strategy 15.8%, Sci-fi 15.1%, Simulation 8.5%
Why You'll Like It: This game allows for deep tactical ship design and combat, rewarding players who enjoy the technical side of space fleet management.
- #17 Nexus - The Jupiter Incident
86% matchVery Positive86% of 1,062 reviews2007
Dev: Mithis GamesPub: HandyGames
Windows
Median: 1.9 hrsMean: 12.1 hrs≥1hr: 64%
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Why similar: Space 40.9%, Strategy 25.1%, Sci-fi 11.7%, Simulation 8.2%, Real-Time with Pause 6.8% ★
Why You'll Like It: A tactical space combat game that focuses on ship-to-ship maneuvering and fleet management without the overhead of base building.
- #18 Star Ruler 2
85% matchVery Positive82% of 721 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 42.7% ★, Space 27%, Strategy 19.2%, Sci-fi 8.6%, Indie 2.5%
Why You'll Like It: Features a unique economic and diplomatic system that allows for creative empire management in a space setting.
- #19 Pax Nova
84% matchMixed56% of 449 reviews2020
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.3 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 28.7% ★, Turn-Based 16.4%, Space 14.6%, Grand Strategy 14.2% ★, Strategy 10.9%
Why You'll Like It: A 4X space strategy game that offers a balanced mix of exploration, diplomacy, and tactical combat across multiple planets.
- #20 Space Empires V
84% matchMostly Positive72% of 475 reviews2006
Dev: Malfador MachinationsPub: Strategy First
Windows
Median: 36 minMean: 14.5 hrs≥1hr: 45%
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
Why similar: 4X 38.6% ★, Strategy 19.9%, Turn-Based 16.7%, Space 16.5%, Sci-fi 5.3%
Why You'll Like It: A classic 4X title that provides immense depth in ship design and strategic planning for those who enjoy complex simulation.
- #21 Final Theory
82% matchMostly Positive80% of 392 reviews2018
Dev: Monticube
Windows
Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.
Why similar: 4X 28.9% ★, Turn-Based 21.9%, Space 13.1%, Strategy 11.2%, Sci-fi 5.8%
Why You'll Like It: A tactical space combat game that uses a hex-grid system, focusing on ship customization and strategic positioning.
- #22 Gratuitous Space Battles
83% matchMostly Positive70% of 878 reviews2009
Dev: Positech Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 5.1 hrs≥1hr: 81%
The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
Why similar: Space 38.1%, Strategy 27.1%, Sci-fi 13.4%, Simulation 10.2%, Tactical 4.6%
Why You'll Like It: It offers a unique tactical focus on fleet design and combat simulation, perfect for players who enjoy the tactical side of space warfare.
- #23 Lord of Rigel
78% matchMixed68% of 107 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 26.7% ★, Space 16.2%, Real-Time with Pause 15.2% ★, Grand Strategy 14.7% ★, Strategy 9%
Why You'll Like It: A 4X strategy game that emphasizes galactic diplomacy and the management of multiple alien species.
- #24 Space Empires IV Deluxe
81% matchVery Positive86% of 286 reviews2006
Dev: Malfador MachinationsPub: Strategy First
Windows
Median: 18 minMean: 10.7 hrs≥1hr: 37%
The award-winning Space Empires IV Deluxe is the latest edition in the Space Empires series. A grand strategy title in the space 4X (explore, expand, exploit, and exterminate) genre, Space Empires has already found a place in the heart of strategy gamers everywhere.
Why similar: 4X 42.8% ★, Strategy 20.4%, Space 14.6%, Turn-Based 12.3%, Sci-fi 6.2%
Why You'll Like It: A deep, turn-based 4X classic that offers extensive customization options for ships and empire management.
- #25 Unending Galaxy
81% 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 25.1% ★, Strategy 21%, Space 20.1%, Simulation 12.8%, Real-Time with Pause 11.2% ★
Why You'll Like It: A sandbox space simulation that emphasizes the interconnected nature of factions and the economy within a galaxy.
- #26 Pandora: First Contact
80% matchMixed63% of 642 reviews2014
Dev: Proxy StudiosPub: Slitherine Ltd.
Windows
Median: 3.4 hrsMean: 41.1 hrs≥1hr: 75%
Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
Why similar: 4X 43.5% ★, Strategy 19.1%, Turn-Based 11%, Space 7.4%, Sci-fi 7%
Why You'll Like It: A sci-fi 4X game that focuses on planetary exploration and survival, offering a grounded strategic experience.
- #27 Predestination
79% matchMixed45% of 86 reviews2019
Dev: Brain and Nerd Ltd
Windows
Predestination is a turn-based sci-fi 4X game set in the distant past of our own galaxy. Ships from countless races are flung back in time by a powerful hostile race known as the Revenants, and must now work to rebuild their empires and somehow stop the Revenants in the past.
Why similar: 4X 31.9% ★, Space 18.8%, Strategy 18.8%, Turn-Based 18.6%, Sci-fi 4.6%
Why You'll Like It: A 4X space strategy game that focuses on planet colonization and tactical combat, providing a classic sci-fi experience.
- #28 Armada 2526 Gold Edition
79% matchMixed68% of 108 reviews2013
Dev: Ntronium GamesPub: Iceberg Interactive
Windows
Median: 24 minMean: 12.9 hrs≥1hr: 36%
Conquer the Galaxy In This ‘4x’ Strategy Game. Lead one of 18 different alien races to become a mighty pan-galactic empire. Manage your colonies, deploy your fleets and conduct research. Plot your strategy and turn your planets into mighty bastions.
Why similar: 4X 37.1% ★, Strategy 31.7%, Space 19.4%, Turn-Based Strategy 6%, Indie 5.8%
Why You'll Like It: A straightforward 4X strategy game that captures the essence of space exploration and fleet-based warfare.
- #29 Astra Exodus
78% matchMixed45% of 53 reviews2020
Dev: Atomic KaiserPub: Slitherine Ltd.
Windows
Astra Exodus is a single player turn based Sci-fi 4X strategy game inspired by the classics, with a multiple choice narrative driven epic campaign, top down real time tactical battles and an extensive semi-randomized research grid.
Why similar: Strategy 35.3%, 4X 20.3% ★, Turn-Based 11.3%, Grand Strategy 9% ★, Indie 7.9%
Why You'll Like It: A narrative-driven 4X strategy game that combines turn-based combat with deep research and empire development.
- #30 ENDLESS™ Space - Definitive Edition
76% matchVery Positive81% of 9,577 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.5 hrsMean: 13.4 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 31.5% ★, Strategy 19.2%, Space 18.4%, Turn-Based 14%, Sci-fi 5.1%
- #31 Star Ruler
77% 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 36.5% ★, Space 23%, Strategy 20.5%, Grand Strategy 9.5% ★, Sci-fi 4.7%
- #32 Distant Worlds: Universe
76% matchMostly Positive75% of 1,848 reviews2014
Dev: Code ForcePub: Slitherine Ltd.
Windows
Median: 3.0 hrsMean: 24.4 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 37.8% ★, Space 20.5%, Strategy 13.2%, Grand Strategy 11% ★, Real-Time with Pause 6.3% ★
- #33 Galactic Civilizations III
75% matchMostly Positive77% of 10,376 reviews2015
Dev: Stardock Entertainment
Windows
Median: 4.6 hrsMean: 17.5 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 28.3% ★, Turn-Based 16.3%, Grand Strategy 14.7% ★, Space 14%, Strategy 8.8%
- #34 Xenonauts
74% matchVery Positive87% of 5,038 reviews2014
Dev: Goldhawk Interactive
Windows · Mac · Linux
Median: 8.2 hrsMean: 19.7 hrs≥1hr: 87%
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
Why similar: Grand Strategy 21.2% ★, Turn-Based 18.8%, Strategy 12.4%, Turn-Based Tactics 8.1%, Turn-Based Strategy 8%
- #35 StarDrive
77% matchMixed45% of 1,484 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 46.2% ★, Space 24.5%, Strategy 19.7%, Sci-fi 6.3%, Indie 3%
- #36 Particle Fleet: Emergence
73% matchVery Positive92% of 1,269 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.8 hrsMean: 24.9 hrs≥1hr: 76%
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Why similar: Strategy 28.6%, Space 26.9%, Real-Time with Pause 18.4% ★, Simulation 13.9%, Sci-fi 5.7%
- #37 StarDrive 2
75% matchMixed55% of 2,099 reviews2015
Dev: Zero Sum GamesPub: Iceberg Interactive
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.4 hrs≥1hr: 89%
StarDrive 2 is an exciting and evolutionary step forward for the StarDrive franchise. In this eagerly anticipated sequel, the core mechanics have evolved to incorporate a turn-based strategic layer, featuring spectacular realtime battles.
Why similar: 4X 33% ★, Strategy 24.4%, Space 22.6%, Turn-Based 8.4%, Sci-fi 8%
- #38 Halcyon 6: Starbase Commander
72% matchVery Positive84% of 1,314 reviews2016
Dev: Massive Damage, Inc.
Windows · Mac · Linux
Median: 4.7 hrsMean: 6.7 hrs≥1hr: 93%
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
Why similar: Space 33.4%, Strategy 23.9%, Turn-Based 19.3%, Simulation 7.7%, Turn-Based Strategy 6.2%
- #39 Heroes of Science and Fiction
65% matchVery Positive91% of 854 reviews2026
Dev: Oxymoron Games
Windows · Linux
Median: 2.0 hrsMean: 7.5 hrs≥1hr: 69%
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
Why similar: 4X 29.7% ★, Turn-Based 19.5%, Grand Strategy 16.4% ★, Strategy 10.5%, Simulation 6.5%
- #40 Galactic Civilizations® II: Ultimate Edition
73% matchMostly Positive77% of 1,703 reviews2011
Dev: Stardock Entertainment
Windows
Median: 30 minMean: 44.0 hrs≥1hr: 39%
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
Why similar: 4X 34% ★, Turn-Based 22.9%, Grand Strategy 18.4% ★, Strategy 11.1%, Turn-Based Strategy 6.1%
- #41 Horizon
73% 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 24.1% ★, Space 14.7%, Grand Strategy 14% ★, Turn-Based 13.6%, Strategy 8.8%
- #42 ENDLESS™ Legend
70% matchVery Positive83% of 18,996 reviews2014
Dev: AMPLITUDE Studios
Windows · Mac
Median: 5.4 hrsMean: 21.9 hrs≥1hr: 80%
ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
Why similar: 4X 37.8% ★, Turn-Based 23.5%, Strategy 20.4%, Turn-Based Strategy 6.2%, Grand Strategy 4.3% ★
- #43 Halcyon 6: Starbase Commander (LIGHTSPEED EDITION)
71% matchMostly Positive79% of 835 reviews2017
Dev: Massive Damage, Inc.
Windows · Mac · Linux
Median: 6.6 hrsMean: 7.6 hrs≥1hr: 88%
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
Why similar: 4X 34.9% ★, Turn-Based 22.7%, Space 15.3%, Strategy 9.6%, Turn-Based Strategy 5.9%
- #44 Sins of a Solar Empire II
65% matchVery Positive84% of 8,352 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.1 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 39% ★, Space 30.9%, Strategy 16.3%, Sci-fi 7.4%, Tactical 5.6%
- #45 Master of Orion
70% matchMostly Positive77% of 8,131 reviews2016
Dev: NGD StudiosPub: Wargaming Labs
Windows · Mac · Linux
Median: 9.2 hrsMean: 101.8 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 40.3% ★, Strategy 19.2%, Space 16.4%, Turn-Based 15.4%, Sci-fi 4%
- #46 Star Hammer: The Vanguard Prophecy
71% matchMostly Positive74% of 160 reviews2015
Dev: Black Lab GamesPub: Slitherine Ltd.
Windows
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 87%
Take command of Naval Strike Group 7 and lead your fleet to victory in full 3D tactical space combat. Star Hammer: The Vanguard Prophecy is a sci-fi strategy saga that will test your skills as both capital assault ship Captain and naval fleet Commander.
Why similar: Space 23.4%, Turn-Based 21.6%, Strategy 20.5%, Simulation 10.6%, Tactical 5.3%
- #47 Lords of the Black Sun
74% matchVery Negative20% of 396 reviews2014
Dev: Arkavi StudiosPub: Iceberg Interactive
Windows
Median: 3.6 hrsMean: 4.6 hrs≥1hr: 90%
Take command of one race to join the struggle for supremacy in the galaxy. As the leader of your empire you are tasked with exploring the stars, colonizing new worlds, managing your empire and conquering whoever dares to oppose you.
Why similar: 4X 37.3% ★, Space 21.5%, Strategy 19.5%, Turn-Based 12.2%, Sci-fi 3.7%
- #48 Emperor of the Fading Suns Enhanced
64% matchVery Positive95% of 180 reviews2025
Dev: Holistic Design, Inc.
Windows · Linux
Command interstellar forces in this epic return of the 4X strategy classic. From planetary politics to galactic warfare, the stakes couldn’t be higher as you lead your Royal House through battles on land, sea, air, and the vast reaches of space.
Why similar: 4X 46% ★, Strategy 15.8%, Space 14.8%, Sci-fi 9.4%, Turn-Based Strategy 8.2%
- #49 Star Traders: 4X Empires
72% 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 34.8% ★, Grand Strategy 15.8% ★, Space 15.7%, Strategy 7.7%, Sci-fi 7.3%
- #50 Sid Meier's Starships
71% matchMixed50% of 2,463 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 34.9%, Strategy 22.4%, 4X 14.4% ★, Sci-fi 9.2%, Turn-Based Strategy 8.4%
- #51 Homeworld Remastered Collection
67% matchVery Positive88% of 14,058 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.7 hrsMean: 34.2 hrs≥1hr: 85%
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
Why similar: Space 46.4%, Strategy 21.9%, Sci-fi 11%, Great Soundtrack 8.4%, Simulation 4.4%
- #52 Revival: Recolonization
65% matchMixed69% of 424 reviews2024
Dev: HeroCraft PC
Windows
Median: 4.9 hrsMean: 12.3 hrs≥1hr: 86%
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 29.6% ★, Turn-Based 18.5%, Grand Strategy 15.9% ★, Strategy 9.5%, Sci-fi 5.8%
- #53 SPACECOM
70% matchMixed68% of 530 reviews2014
Dev: Flow CombinePub: 11 bit studios
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.2 hrs≥1hr: 94%
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
Why similar: 4X 39.8% ★, Space 19.4%, Strategy 17.3%, Sci-fi 7.4%, Tactical 7.3%
- #54 Interplanetary: Enhanced Edition
67% matchVery Positive85% of 924 reviews2017
Dev: Team Jolly RogerPub: Black Smoke Studios
Windows · Mac · Linux
Median: 4.4 hrsMean: 5.5 hrs≥1hr: 90%
In this turn-based strategic artillery game, players wage interplanetary wars by developing their home planets and firing massive barrages through the unpredictable gravity fields of the solar system.
Why similar: Space 24.7%, Strategy 23.3%, Turn-Based 22.2%, Simulation 11.7%, Turn-Based Strategy 6.3%
- #55 Sid Meier's Civilization®: Beyond Earth™
68% matchMixed60% of 23,044 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 24% ★, Turn-Based 15.7%, Space 15.1%, Strategy 14.8%, Grand Strategy 7.2% ★
- #56 Oriental Empires
67% matchVery Positive80% of 2,991 reviews2017
Dev: Shining Pixel StudiosPub: Iceberg Interactive
Windows
Median: 6.7 hrsMean: 11.4 hrs≥1hr: 89%
Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires.
Why similar: 4X 32% ★, Turn-Based 22.5%, Strategy 16.8%, Grand Strategy 11.7% ★, Simulation 8.1%
- #57 Into the Void
69% matchMixed63% of 136 reviews2015
Dev: Mozg Labs
Windows · Mac · Linux
Median: 5.5 hrsMean: 13.8 hrs≥1hr: 98%
Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles. Travel through space and discover the origin of a cosmic threat which destroyed Earth centuries ago. Fight or cooperate with the different factions; be a leader !
Why similar: Space 29.1%, 4X 22.4% ★, Strategy 19.5%, Turn-Based 19.4%, Tactical 3.4%
- #58 Space Reign
60% matchMostly Positive75% of 431 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Space 46.9%, Strategy 21.9%, Sci-fi 15.7%, Tactical 8.9%, Indie 5.7%