- #1 Star Ruler 2
97% 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 48.8% ★, Space 26.5%, Strategy 13.6%, Sci-fi 8.6%, Indie 2.4%
- #2 Interstellar Space: Genesis
96% 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 43.8% ★, Space 20.7%, Grand Strategy 15.2% ★, Strategy 9.6%, Sci-fi 7.9%
- #3 Stars in Shadow
96% 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 58% ★, Space 19.2%, Strategy 13.4%, Sci-fi 5.9%, Indie 3.5%
- #4 Star Ruler
94% 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 43.4% ★, Space 23.5%, Strategy 15.2%, Grand Strategy 9.9% ★, Sci-fi 4.9%
- #5 Lords of the Black Sun
95% 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 50.8% ★, Space 25.2%, Strategy 16.5%, Sci-fi 4.4%, Indie 3.2%
- #6 StarDrive
94% 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 52.8% ★, Space 24%, Strategy 14%, Sci-fi 6.3%, Indie 2.9%
- #7 Dawn of Andromeda
93% 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 50.5% ★, Space 22.3%, Strategy 17.1%, Sci-fi 6.6%, Indie 3.5%
- #8 Galactic Civilizations IV
91% 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 41% ★, Space 22.3%, Grand Strategy 20.6% ★, Strategy 8.5%, Sci-fi 7.7%
- #9 Sid Meier's Starships
92% 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 45.1%, 4X 21.7% ★, Strategy 20.9%, Sci-fi 12.2%
- #10 Armada 2526 Gold Edition
91% 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 47.3% ★, Strategy 25.2%, Space 21.3%, Indie 6.2%
- #11 Galaxy Reavers
90% 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 52.5%, Strategy 29.9%, Sci-fi 12.7%, Indie 4.9%
- #12 Sins of a Solar Empire II
86% 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 47.5% ★, Space 32.3%, Strategy 12.2%, Sci-fi 8%
- #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 42.9% ★, Space 18.8%, Grand Strategy 18.6% ★, Strategy 10.1%, Sci-fi 7.7%
- #14 Galactic Ruler
89% 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 42.4% ★, Space 22.9%, Grand Strategy 19.4% ★, Sci-fi 7.3%, Strategy 6.6%
- #15 ENDLESS™ Space - Definitive Edition
87% 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 47.1% ★, Space 23.7%, Strategy 17.9%, Sci-fi 6.7%, Grand Strategy 3.7% ★
- #16 Star Traders: 4X Empires
88% 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 47.5% ★, Grand Strategy 18.8% ★, Space 18.4%, Sci-fi 8.8%, Strategy 6.6%
- #17 Galactic Civilizations III
84% 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 44.2% ★, Grand Strategy 20.1% ★, Space 18.7%, Strategy 8.6%, Sci-fi 8.5%
- #18 Master of Orion 2
84% 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 57.7% ★, Space 20.3%, Strategy 16.1%, Sci-fi 5.9%
- #19 Master of Orion 3
86% 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 63.4% ★, Strategy 18.9%, Space 13.9%, Sci-fi 3.9%
- #20 Fragile Allegiance
83% matchVery Positive93% of 123 reviews2015
Dev: Gremlin InteractivePub: Alternative Software Ltd
Windows
Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take on 4X Strategy. Appoint Colony Supervisors to manage your colony and deploy Spy Satellites for the ultimate in skulduggery.
Why similar: Space 50.2%, Strategy 49.8%
- #21 Solar Nations 2
80% 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 39% ★, Grand Strategy 22% ★, Space 21.8%, Strategy 9.2%, Sci-fi 8%
- #22 Shallow Space
85% matchMostly Negative25% of 231 reviews2015
Windows · Mac · Linux
Median: 3.8 hrsMean: 5.0 hrs≥1hr: 95%
Construct your Taskforce and lead your forces to domination in the ultimate Fleet Warfare RTS!
Why similar: Space 43.1%, 4X 26.4% ★, Strategy 22.8%, Sci-fi 7.7%
- #23 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 41.7% ★, Space 21.8%, Grand Strategy 20.1% ★, Strategy 8.7%, Sci-fi 7.7%
- #24 Master of Orion 1
82% 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 66.6% ★, Strategy 15.8%, Space 13.5%, Sci-fi 4.1%
- #25 Galactic Civilizations® I: Ultimate Edition
82% 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 46.5% ★, Grand Strategy 21.2% ★, Space 17%, Strategy 8.9%, Sci-fi 6.4%
- #26 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 39.9% ★, Space 27.4%, Strategy 20.7%, Indie 6%, Sci-fi 6%
- #27 Stellaris
77% 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 38.3% ★, Space 25.5%, Grand Strategy 19.8% ★, Strategy 8.8%, Sci-fi 7.7%
- #28 Imperium Galactica
79% matchVery Positive93% of 154 reviews2017
Dev: Digital RealityPub: THQ Nordic
Windows
Imperium Galactica. The Universe is yours... if you can handle it. The fourth millennium. Mankind has colonised the galaxy. Created an Empire. Now, it is crumbling. The aliens are restless. The oppressed are building armies. And a strange invader is headed for the heart of the Empire.
Why similar: Strategy 100%
- #29 Stellar Monarch 2
77% matchVery Positive88% of 123 reviews2022
Dev: Silver Lemur Games
Windows
Stellar Monarch 2 is a feudal space empire builder where you feel like the Emperor, not a logistics officer. Great noble houses, usurpers to the throne, rebels, assassins, court intrigues, disloyal admirals, incompetent governors and ever-present alien threat.
Why similar: 4X 46.7% ★, Grand Strategy 19.9% ★, Space 15.3%, Strategy 11.7%, Sci-fi 6.3%
- #30 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 47.6% ★, Space 24.1%, Strategy 17.4%, Sci-fi 6%, Indie 4.9%
- #31 Solaris
76% 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 67.6% ★, Strategy 22.9%, Sci-fi 9.5%
- #32 Ancient Space
78% 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 56.7%, Strategy 29.8%, Sci-fi 12.4%, Indie 1.1%
- #33 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 41.9% ★, Space 21.2%, Grand Strategy 20.4% ★, Strategy 8.7%, Sci-fi 7.8%
- #34 The Last Federation
75% 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 36.7% ★, Space 27.5%, Strategy 15.7%, Grand Strategy 11.7% ★, Sci-fi 5.8%
- #35 My Colony
73% matchVery Positive90% of 263 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: Strategy 75.7%, Indie 24.3%
- #36 Starion Tactics
76% matchMixed40% of 177 reviews2014
Dev: Corncrow Games
Windows
Median: 5.5 hrsMean: 6.3 hrs≥1hr: 97%
After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope. Play for minutes to hours across tens to hundreds of planets in single-player skirmish or multiplayer modes—it’s entirely up to you.
Why similar: Strategy 46.8%, Space 43.5%, Indie 9.7%
- #37 Nova Empire
72% 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 57.7% ★, Strategy 16.8%, Sci-fi 13.4%, Space 12.1%
- #38 Aeon Command
73% matchMostly Positive79% of 414 reviews2014
Dev: Bat Country Games, LLC
Windows · Mac · Linux
Median: 3.0 hrsMean: 4.6 hrs≥1hr: 79%
Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.
Why similar: Strategy 43.8%, Space 34.5%, Sci-fi 11.9%, Indie 9.8%
- #39 Emperor of the Fading Suns Enhanced
67% matchVery Positive95% of 172 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 59.9% ★, Space 16.5%, Strategy 12.8%, Sci-fi 10.8%
- #40 Stellar Monarch
71% 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 42.9% ★, Grand Strategy 21.5% ★, Space 19.1%, Strategy 8.5%, Sci-fi 7.6%
- #41 Gemini Wars
74% 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 44.6% ★, Space 21.1%, Grand Strategy 20.5% ★, Strategy 7.7%, Sci-fi 6%
- #42 Earth Space Colonies
73% matchMixed50% of 167 reviews2016
Dev: Persona and Pixel studio
Windows · Mac · Linux
Median: 3.0 hrsMean: 3.6 hrs≥1hr: 96%
Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system. Establish a first self-sustaining colony on the Red planet with ultimate goal of terraforming Mars. Play three story campaigns all at once: terraform Mars, fight on Ceres and explore Ganymede.
Why similar: Space 56.3%, Strategy 34.1%, Indie 9.7%
- #43 Polaris Sector
71% 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 45.7% ★, Space 23.1%, Grand Strategy 16.8% ★, Strategy 12.3%, Sci-fi 2.2%
- #44 Galimulator
69% matchVery Positive91% of 497 reviews2018
Dev: Snoddasmannen
Windows · Mac · Linux
Median: 1.6 hrsMean: 9.8 hrs≥1hr: 68%
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
Why similar: Strategy 100%
- #45 Space Empires V
72% 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 55.2% ★, Space 20.3%, Strategy 17.8%, Sci-fi 6.7%
- #46 Dust Fleet
68% 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 49.3% ★, Space 26.3%, Strategy 11.9%, Sci-fi 10%, Indie 2.6%
- #47 Sid Meier's Civilization®: Beyond Earth™
70% 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 40.8% ★, Space 22.1%, Strategy 15.7%, Grand Strategy 10.8% ★, Sci-fi 10.6%
- #48 Terra Invicta
63% 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 58.8% ★, Grand Strategy 28.5% ★, Strategy 12.8%
- #49 Space Empires IV Deluxe
70% 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 58.3% ★, Strategy 17.2%, Space 17%, Sci-fi 7.4%
- #50 Horizon
71% 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 40.3% ★, Space 21.1%, Grand Strategy 20.6% ★, Strategy 9.2%, Sci-fi 7.5%
- #51 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 51.7% ★, Space 24.5%, Strategy 13.3%, Sci-fi 10.5%
- #52 Starpoint Gemini Warlords
68% 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 38.6% ★, Space 27%, Grand Strategy 14.7% ★, Strategy 9.5%, Sci-fi 8.1%
- #53 ENDLESS™ Space 2
66% 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 71.4%, Space 12.1%, 4X 11.6% ★, Sci-fi 2.5%, Grand Strategy 2.3% ★
- #54 Realpolitiks 3: Earth and Beyond
66% 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 29.9% ★, 4X 26.1% ★, Space 23.6%, Strategy 14%, Sci-fi 6.4%
- #55 Gods and Idols
69% matchMixed70% of 754 reviews2016
Dev: JatteGames
Windows
Median: 1.0 hrsMean: 14.4 hrs≥1hr: 48%
Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
Why similar: 4X 52.3% ★, Space 24.7%, Strategy 10.4%, Sci-fi 9.5%, Indie 3.1%
- #56 Solargene
62% matchMostly Positive76% of 819 reviews2026
Dev: Alexander Semenov
Windows
Median: 3.7 hrsMean: 34.8 hrs≥1hr: 71%
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Why similar: 4X 49.9% ★, Space 29.1%, Strategy 12.8%, Sci-fi 8.2%
- #57 Project Tarvotan
70% matchMixed59% of 71 reviews2015
Dev: FlagmanJeremy
Windows · Mac
Median: 3.3 hrsMean: 5.5 hrs≥1hr: 84%
Project Tarvotan allows you to explore the depths of the Milky Way and local universe. Use your wit and resources at hand to plan out your path through each sector. Your demise lurks around every decision. Can you survive long enough and restore balance to the universe?
Why similar: Space 46.7%, Strategy 44.7%, Indie 8.6%
- #58 Interplanetary: Enhanced Edition
67% matchVery Positive85% of 919 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 50.7%, Strategy 34.7%, Indie 7.6%, Sci-fi 7.1%