- #1 StarDrive 2
97% matchMixed55% of 2,097 reviews2015
Dev: Zero Sum GamesPub: Iceberg Interactive
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.5 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 46.7% ★, Strategy 21.5%, Space 19.4%, Sci-fi 8.5%, Indie 3.6%
Why You'll Like It: As the direct sequel, it refines the original's blend of 4X strategy and tactical ship combat with more polished mechanics.
- #2 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 44.7% ★, Space 21.5%, RTS 15.3%, Strategy 11.5%, Sci-fi 6.5%
Why You'll Like It: This title perfectly balances real-time strategy combat with 4X empire-building elements on a massive scale.
- #3 Star Ruler 2
96% 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 46.5% ★, Space 17.9%, RTS 13.5%, Strategy 13%, Sci-fi 7.1%
Why You'll Like It: It features highly customizable ship design and a unique economic system that rivals the complexity found in StarDrive.
- #4 Stellaris
95% 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 53.2% ★, Space 25.1%, Strategy 12.2%, Sci-fi 9.2%, Singleplayer 0.3%
Why You'll Like It: It offers the most expansive grand strategy experience in space, featuring deep empire management and real-time exploration.
- #5 Distant Worlds: Universe
94% 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 56.3% ★, Space 18.6%, Strategy 12.3%, Sci-fi 6%, RTS 5.9%
Why You'll Like It: It provides an unparalleled level of depth in empire management and automation for players who love complex space simulations.
- #6 Sword of the Stars: Complete Collection
94% matchVery Positive88% of 705 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 60% ★, Strategy 17.1%, Space 15.9%, Sci-fi 6.6%, Singleplayer 0.3%
Why You'll Like It: A classic title that emphasizes ship design and tactical real-time combat within a 4X framework.
- #7 ENDLESS™ Space - Definitive Edition
93% 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 53.2% ★, Strategy 20.2%, Space 18.9%, Sci-fi 6.5%, Indie 0.9%
Why You'll Like It: Known for its distinct factions and polished interface, it provides a highly strategic 4X experience.
- #8 Interstellar Space: Genesis
92% 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 56.3% ★, Space 18.8%, Strategy 12.4%, Sci-fi 8.8%, Indie 3.2%
Why You'll Like It: It captures the classic 4X feel with modern quality-of-life improvements and engaging turn-based tactical combat.
- #9 Stars in Shadow
91% 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 62.2% ★, Space 14.5%, Strategy 14.4%, Sci-fi 5.5%, Indie 3.4%
Why You'll Like It: A vibrant, turn-based 4X game that focuses on tactical combat and distinct alien civilizations.
- #10 AI War 2
90% matchVery Positive88% of 1,533 reviews2019
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.6 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 59.4% ★, RTS 14%, Space 13.4%, Strategy 7.1%, Sci-fi 6.2%
Why You'll Like It: This game offers a unique asymmetric RTS experience where you must manage a sprawling empire against a superior AI force.
- #11 Galactic Civilizations IV
89% 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 56.7% ★, Space 21.8%, Strategy 11.8%, Sci-fi 9.2%, Singleplayer 0.6%
Why You'll Like It: A modern titan of the 4X genre that excels in diplomacy, research, and empire-wide strategic planning.
- #12 Lords of the Black Sun
91% matchMostly Negative20% of 395 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 55.3% ★, Space 19.4%, Strategy 18%, Sci-fi 4.1%, Indie 3.1%
Why You'll Like It: A traditional 4X space strategy game that focuses on managing multiple races and complex diplomatic relations.
- #13 NEBULOUS: Fleet Command
86% 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: RTS 57.7%, Strategy 40.2%, Singleplayer 2.1%
Why You'll Like It: For those who love the tactical ship combat of StarDrive, this game offers deep, realistic ship design and positioning.
- #14 Space Empires V
89% matchMostly Positive73% of 469 reviews2006
Dev: Malfador MachinationsPub: Strategy First
Windows
Median: 36 minMean: 14.4 hrs≥1hr: 46%
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 59.1% ★, Strategy 19%, Space 15.4%, Sci-fi 6.2%, Singleplayer 0.3%
Why You'll Like It: A deeply complex 4X game that allows for immense customization of ships and planetary infrastructure.
- #15 Dawn of Andromeda
88% matchMixed44% of 242 reviews2017
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.1 hrsMean: 11.8 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 54.7% ★, Strategy 18.5%, Space 17.1%, Sci-fi 6.2%, Indie 3.4%
Why You'll Like It: A streamlined 4X game that emphasizes real-time gameplay and accessible empire management.
- #16 Homeworld Remastered Collection
86% matchVery Positive88% of 13,977 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.6 hrsMean: 34.0 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 37.9%, RTS 27.7%, Strategy 18.3%, Sci-fi 11.2%, 4X 4.6% ★
Why You'll Like It: The definitive experience for real-time 3D space combat with a strong emphasis on fleet tactics.
- #17 Sid Meier's Starships
87% 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 37.3%, 4X 25.4% ★, Strategy 24.5%, Sci-fi 12.2%, Singleplayer 0.6%
Why You'll Like It: A more focused, turn-based strategy game that emphasizes fleet customization and mission-based exploration.
- #18 Void Destroyer 2
85% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: 4X 47.9% ★, Space 17%, RTS 14.1%, Strategy 10.5%, Sci-fi 7.4%
Why You'll Like It: It combines ship design, RTS elements, and direct piloting into a single cohesive space experience.
- #19 Gratuitous Space Battles
84% matchMostly Positive71% of 874 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 36.4%, Strategy 26.6%, Sci-fi 15.9%, RTS 15.5%, Indie 5%
Why You'll Like It: This game focuses entirely on the ship design and fleet composition aspects of space warfare.
- #20 The Last Federation
83% matchMostly Positive75% of 502 reviews2014
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.5 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 46.2% ★, Space 24.5%, Strategy 19.8%, Sci-fi 6.2%, Indie 3.1%
Why You'll Like It: A unique simulation game where you must manipulate the politics of an entire galaxy to achieve your goals.
- #21 Pax Nova
82% 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 57.2% ★, Space 17.7%, Strategy 13.5%, Sci-fi 8.9%, Indie 2.1%
Why You'll Like It: A 4X game that allows you to explore both space and planetary surfaces with a focus on diverse alien races.
- #22 Ancient Space
84% matchMixed44% of 365 reviews2014
Dev: CreativeForge GamesPub: Paradox Interactive
Windows · Mac
Median: 4.4 hrsMean: 5.1 hrs≥1hr: 89%
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.
Why similar: Space 35.7%, RTS 26.8%, Strategy 26.5%, Sci-fi 9.5%, Indie 0.9%
Why You'll Like It: A narrative-driven RTS that emphasizes fleet management and tactical combat in deep space.
- #23 Nexus - The Jupiter Incident
82% matchVery Positive86% of 1,053 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 38.9%, Strategy 24.4%, RTS 20.4%, Sci-fi 13.8%, Indie 2%
Why You'll Like It: It focuses on tactical, high-stakes space combat where ship positioning and ability management are paramount.
- #24 Imperium Galactica II
81% matchVery Positive87% of 633 reviews2017
Dev: Digital RealityPub: THQ Nordic
Windows · Mac · Linux
Median: 48 minMean: 7.1 hrs≥1hr: 47%
Reintroducing a classic from the golden era of gaming, the original empire building space RTS, Imperium Galactica 2 is back and looking better than ever with new high-res textures and vivid colors.
Why similar: 4X 37.9% ★, Strategy 27.1%, Space 21.3%, RTS 13.8%
Why You'll Like It: A classic hybrid of RTS and 4X that features planetary colonization and real-time space battles.
- #25 Master of Orion 2
81% matchOverwhelmingly Positive96% of 1,693 reviews2016
Dev: SimTexPub: Wargaming Labs
Windows · Mac · Linux
Median: 18 minMean: 11.3 hrs≥1hr: 43%
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Why similar: 4X 61.8% ★, Strategy 17.2%, Space 15.4%, Sci-fi 5.4%, Singleplayer 0.1%
Why You'll Like It: The gold standard for classic 4X gameplay, featuring deep research trees and iconic ship design.
- #26 Star Traders: 4X Empires
80% 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 63.7% ★, Space 17.4%, Sci-fi 10.1%, Strategy 8.8%
Why You'll Like It: A challenging 4X game that emphasizes diplomacy and survival in a hostile galaxy.
- #27 Unending Galaxy
79% 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 43.9% ★, Strategy 22.9%, Space 21.3%, Indie 5.9%, Sci-fi 5.6%
Why You'll Like It: A sandbox space strategy game that focuses on emergent gameplay and large-scale galactic simulation.
- #28 Space Run
78% matchVery Positive85% of 2,123 reviews2014
Dev: Passtech GamesPub: Focus Entertainment
Windows · Mac · Linux
Median: 5.1 hrsMean: 7.2 hrs≥1hr: 93%
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
Why similar: Space 50.9%, Strategy 31%, Sci-fi 12.3%, Indie 5.4%, Singleplayer 0.4%
Why You'll Like It: A unique tower-defense hybrid that requires you to build and protect a ship while navigating dangerous space lanes.
- #29 Galaxy Reavers
79% matchMixed70% of 204 reviews2016
Dev: Good Games
Windows
This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!
Why similar: Space 33.8%, Strategy 27.3%, RTS 24.8%, Sci-fi 10%, Indie 4%
Why You'll Like It: A real-time space strategy game that focuses on managing fleets and executing tactical maneuvers.
- #30 Nomad Fleet
78% matchMixed67% of 212 reviews2016
Dev: Autarca
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.2 hrs≥1hr: 79%
Nomad Fleet is a RTS game where you must lead the last remnants of Mankind to safety after a mysterious alien race has hunted them near extinction. Lead a fully armed fleet of battleships, carriers and fighters through a series of randomized scenarios and encounters where they must fight for their survival while scavenging for resources,...
Why similar: Space 30.7%, Strategy 29.8%, RTS 20.6%, Sci-fi 11.7%, Indie 6.8%
Why You'll Like It: A space RTS that focuses on survival and resource management while fleeing from an overwhelming enemy.
- #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 47% ★, Space 17.9%, Strategy 16.5%, RTS 10.9%, Sci-fi 4.5%
- #32 Distant Worlds 2
74% 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 57.8% ★, Space 17.1%, Strategy 16.7%, Sci-fi 8%, Singleplayer 0.4%
- #33 Horizon
77% 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 55.6% ★, Space 20.6%, Strategy 12.7%, Sci-fi 8.9%, Indie 1.7%
- #34 Sins of a Solar Empire: Trinity®
76% 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 50% ★, Space 16.4%, RTS 16.1%, Strategy 10.1%, Sci-fi 7.4%
- #35 Sins of a Solar Empire®: Rebellion
73% 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 48% ★, Space 17.3%, RTS 16.3%, Strategy 10%, Sci-fi 7.8%
- #36 Starpoint Gemini Warlords
74% 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 50.4% ★, Space 24.9%, Strategy 12.4%, Sci-fi 9.1%, Indie 2.5%
- #37 Master of Orion 3
75% 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 66.4% ★, Strategy 19.8%, Space 10.3%, Sci-fi 3.5%
- #38 Armada 2526 Gold Edition
75% matchMixed68% of 108 reviews2013
Dev: Ntronium GamesPub: Iceberg Interactive
Windows
Median: 24 minMean: 12.8 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 50.8% ★, Strategy 27%, Space 16.2%, Indie 6%
- #39 Gemini Wars
76% matchMostly Negative32% of 165 reviews2012
Dev: Camel 101
Windows · Mac
Median: 1.6 hrsMean: 4.0 hrs≥1hr: 94%
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.
Why similar: 4X 52% ★, Space 17.4%, RTS 15.2%, Strategy 9%, Sci-fi 6%
- #40 Master of Orion 1
72% matchVery Positive90% of 436 reviews2016
Dev: SimTexPub: Wargaming Labs
Windows · Mac · Linux
Median: 6 minMean: 5.9 hrs≥1hr: 31%
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
Why similar: 4X 69.6% ★, Strategy 16.5%, Space 10%, Sci-fi 3.6%, Singleplayer 0.2%
- #41 Master of Orion
71% 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 61.2% ★, Strategy 18.2%, Space 15.1%, Sci-fi 4.6%, RTS 0.8%
- #42 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 50% ★, Strategy 19.3%, Space 19.1%, Sci-fi 11.1%, Singleplayer 0.5%
- #43 Galactic Civilizations III
71% 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 60.3% ★, Space 18.1%, Strategy 11.7%, Sci-fi 9.9%
- #44 Galactic Inheritors
73% matchMixed44% of 86 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 52.8% ★, Space 24%, Strategy 14%, Sci-fi 6.3%, Indie 2.9%
- #45 X4: Foundations
69% 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 50.4% ★, Space 28.4%, Strategy 11.5%, Sci-fi 9.1%, Singleplayer 0.6%
- #46 Void Destroyer
73% matchMixed60% of 351 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.0 hrs≥1hr: 30%
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
Why similar: Space 37.1%, Strategy 27.4%, RTS 19.8%, Sci-fi 11.3%, Indie 4.5%
- #47 Cosmoteer: Starship Architect & Commander
66% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 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 42.2%, Sci-fi 26.4%, Strategy 22.9%, Indie 6.7%, Singleplayer 1.9%
- #48 Particle Fleet: Emergence
69% matchVery Positive92% of 1,261 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.7 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 31.3%, Space 28.7%, RTS 24.6%, Sci-fi 7.6%, Indie 7.4%
- #49 Battlevoid: Harbinger
70% matchMostly Positive79% of 1,057 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.8 hrsMean: 11.0 hrs≥1hr: 56%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 53.9%, Strategy 32%, Sci-fi 8.4%, Indie 5.2%, Singleplayer 0.6%
- #50 Polaris Sector
70% matchMostly Positive72% of 471 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 59.6% ★, Space 21.3%, Strategy 16%, Sci-fi 2.5%, Singleplayer 0.5%
- #51 ENDLESS™ Space 2
68% 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 75.8%, 4X 12.3% ★, Space 9.1%, Sci-fi 2.2%, RTS 0.4%
- #52 Dust Fleet
67% matchMostly Positive76% of 209 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 50.9% ★, Space 19.2%, Strategy 12.3%, Sci-fi 8.8%, RTS 6.2%
- #53 Into the Stars
71% matchMixed41% of 537 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 56.7%, Strategy 35%, Indie 8.4%
- #54 Solaris
67% matchVery Positive81% of 86 reviews2021
Dev: SpacialCircumstances
Windows · Mac · Linux
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Why similar: 4X 68.5% ★, Strategy 23.3%, Sci-fi 8.3%
- #55 Starcom: Nexus
66% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 71.3%, Sci-fi 22%, Indie 6.3%, Singleplayer 0.4%
- #56 Exogate Initiative
64% 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 47% ★, RTS 16.3%, Space 15.8%, Strategy 12.1%, Sci-fi 8.2%
- #57 Space Empires IV Deluxe
69% matchVery Positive86% of 285 reviews2006
Dev: Malfador MachinationsPub: Strategy First
Windows
Median: 18 minMean: 10.4 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 61.9% ★, Strategy 18.4%, Space 12.8%, Sci-fi 6.8%, Singleplayer 0.2%
- #58 Etherium
70% matchMostly Negative37% of 953 reviews2015
Dev: Tindalos InteractivePub: Focus Entertainment
Windows
Median: 3.4 hrsMean: 4.2 hrs≥1hr: 90%
Etherium is a real-time strategy game set in a science-fiction universe, where three factions battle it out for a mysterious and rare resource known as ‘Etherium’.
Why similar: Strategy 23.7%, 4X 20.8% ★, Sci-fi 20.4%, RTS 20.4%, Space 14.5%
- #59 Into the Void
68% 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: 4X 41.3% ★, Space 32.5%, Strategy 22.4%, Indie 3.5%, Singleplayer 0.4%
- #60 Galactic Ruler
67% 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 50% ★, Space 19.1%, RTS 13.7%, Strategy 7.8%, Sci-fi 7.4%