- #1 Gewevo : Interstellar
97% matchNo user reviews2021
Dev: Victor Filipiak
Windows
Gewevo : Interstallar is a space strategy game derived from the tabletop RPG universe Gewevo. It offers an approach a little closer to a wargame with regard to the empire management aspect. Made with passion by a one-man team;)
Why similar: 4X 39.4% ★, RTS 20.7%, Strategy 12.1%, War 7.4%, Futuristic 6.7%
- #2 Star Ruler 2
96% 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 46.8% ★, RTS 22.6%, Strategy 11.8%, Space 11.7%, Sci-fi 6.8%
- #3 StarDrive
96% 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 53% ★, RTS 17.6%, Strategy 12.7%, Space 11.1%, Sci-fi 5.2%
- #4 Empires Edge
95% matchNo user reviews
Dev: Kaser Studio
Windows
Empires Edge is a 4X-lite strategy game about building a civilization on floating islands, inspired by the classic Tyrants: Fight Through Time (Mega Lo Mania). Lead your people, achieve technological breakthroughs, and conquer new territories as you forge an empire at the edge of the Universe.
Why similar: 4X 42.5% ★, RTS 22.4%, Strategy 12.7%, Building 10.6%, Base Building 6.6%
- #5 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 48.7% ★, RTS 18.8%, Strategy 15.4%, Space 12.1%, Sci-fi 4.5%
- #6 Uncharted Space - project 3062
94% match3 user reviews33% of 3 reviews2022
Dev: Kong Linghui
Windows
In this game, you are a leader, leading a force of army to fight other forces in the deep spaces. You will plunder their resources, build your homelands, explore and expand, managing your army both strategically and tactically. This will be a saga written with blood and fire.
Why similar: 4X 37.5% ★, RTS 24.3%, Strategy 12.5%, Aliens 10.6%, Futuristic 5.2%
- #7 Tachyon Wars
93% matchMixed40% of 10 reviews2021
Dev: Fair Games
Windows
Tachyon Wars is a sci-fi real-time space strategy game. It introduces seriously deep gameplay with an emphasis on fleet control. Open space to explore, large-scale battles, crafty AI. All of it is well seasoned with novel real-time game mechanics.
Why similar: 4X 42.1% ★, Strategy 12.8%, Space 10.2%, Aliens 9.9%, Futuristic 8%
- #8 Legion Gold
92% matchVery Positive85% of 118 reviews2020
Dev: Slitherine Ltd.
Windows
Well-received by gamers and critics alike, Legion Gold is the expanded and improved version of its predecessor, Legion, and includes not only the original Legion game but a hefty expansion pack too.
Why similar: 4X 37% ★, RTS 23.6%, Building 14%, Strategy 13.3%, War 6.2%
- #9 StarFringe: Adversus
91% matchMixed64% of 233 reviews2023
Dev: CasualogicPub: Conglomerate 5
Windows
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
Why similar: 4X 29.2% ★, RTS 23.2%, Aliens 12.7%, Base Building 9.4%, Space 8.9%
- #10 Spaceman's Luck
91% matchNo user reviews2026
Dev: Gideon Kennedy
Windows · Mac · Linux
Do you have a Spaceman's Luck? A space strategy game.
Why similar: 4X 64.5% ★, Strategy 16.2%, Space 11.7%, Sci-fi 7.1%, Singleplayer 0.3%
- #11 Age of Space
90% matchNo user reviews
Dev: PodPal Games
Windows
Evolve from being a nobody to being the center of power! Age of space combines real time resource management with tactical combat. Work as a mercenary for clients in our solar system as you gradually get dragged into a liberation war between the Martians and the UEA. Who will you side with?
Why similar: 4X 32.1% ★, RTS 26.2%, Strategy 15.7%, Space 14.5%, War 6.7%
- #12 Commanders Fury
89% matchNo user reviews
Dev: RoboFox Games LLC
Windows
Take command of the war machine of an empire in this 4x RTS hybrid. Fight battles with your flagship fleet in fully 3D real-time space combat. Recruit, train and dispatch commanders. Give them orders, directives and equip their fleets. Manage your empire’s supply logistics and fleet operations.
Why similar: 4X 38.5% ★, RTS 22.7%, Strategy 9.8%, Space 9.6%, Futuristic 7.6%
- #13 Stellar Reach
89% matchMostly Positive79% of 34 reviews2025
Dev: Stelleas
Windows
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier. Guide your empire through conquest, prosperity, or industrial power as you advance through six distinct tech trees and forge your path to victory.
Why similar: 4X 43.1% ★, RTS 15%, Futuristic 10.1%, Space 9%, Strategy 8.8%
- #14 Planeticus
88% match8 user reviews13% of 8 reviews2023
Dev: Keshbel Games
Windows
Planeticus offers to conquer new planets in the company of friends or strangers. The essence of the game is to capture planets, manage resources, create as many of your own super planets as possible and generate space invaders.
Why similar: 4X 44.4% ★, RTS 21.2%, Strategy 9.7%, Space 9.3%, Futuristic 6.9%
- #15 SPACECOM
87% 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 40.8% ★, RTS 32.7%, Strategy 9.9%, Space 7.9%, Sci-fi 5.5%
- #16 Imperium Galactica II
86% matchVery Positive88% of 640 reviews2017
Dev: Digital RealityPub: THQ Nordic
Windows · Mac · Linux
Median: 48 minMean: 7.3 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 39.9% ★, Strategy 23.9%, RTS 22.6%, Space 13.6%
- #17 Chieftain
86% matchMixed55% of 20 reviews2018
Dev: Splout Ltd.
Windows · Mac · Linux
Chieftain is a fantasy game of world conquest - containing elements of a procedurally generated 4X world, and real-time skirmishes including hundreds of soldiers on screen battling for your dominion and reign to be supreme!
Why similar: 4X 45.4% ★, RTS 28.1%, Strategy 25.5%, Indie 1%
- #18 Reshaping Mars
84% matchVery Positive84% of 832 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: 4X 30% ★, RTS 21.4%, Building 11.1%, Base Building 9.1%, Futuristic 8.1%
- #19 Exogate Initiative
84% matchMostly Positive76% of 707 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 28.8% ★, RTS 16.7%, Aliens 13.4%, Building 10.4%, Base Building 8.2%
- #20 Master of Orion 3
85% matchMixed54% of 186 reviews2016
Dev: Quicksilver SoftwarePub: Wargaming Labs
Windows
Median: 12 minMean: 6.5 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 70.4% ★, Strategy 18.9%, Space 7.1%, Sci-fi 3.6%
- #21 Byte Lynx
82% matchVery Positive98% of 88 reviews2022
Dev: Artful Games
Windows
Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!
Why similar: 4X 31.2% ★, RTS 21.5%, War 9.8%, Base Building 9.4%, Strategy 7%
- #22 Distant Worlds: Universe
83% 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 58.4% ★, Space 12.6%, Strategy 11.5%, RTS 10.3%, Sci-fi 6%
- #23 Sword of the Stars II: Enhanced Edition
82% matchMixed44% of 958 reviews2012
Dev: Kerberos ProductionsPub: Paradox Interactive
Windows
Median: 42 minMean: 12.0 hrs≥1hr: 44%
The Enhanced Edition contains Sword of the Stars II: The Lords of Winter and the first expansion, the End of Flesh. The new expansion introduces the new playable race, the Loa. All previous DLCs containing new avatars, new combat music, alternate voices, skins, and new badges for the warships are also included.
Why similar: 4X 64% ★, Strategy 17%, Space 12.1%, Sci-fi 6.7%, Singleplayer 0.2%
- #24 Solar Wave
81% matchNo user reviews2026
Dev: SavGus Studio
Windows
A large-scale 4X strategy game with indirect control and a focus on simulating a space empire. Capture systems, develop your economy and logistics, call up hundreds of powerful fleets and watch them incinerate enemies of the Solar Empire.
Why similar: 4X 39.7% ★, RTS 20.5%, Space 10%, Building 8.7%, Strategy 8.4%
- #25 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 66.3% ★, Strategy 17.7%, Space 8.9%, Sci-fi 6.9%, Singleplayer 0.1%
- #26 Stellar Dynasty
80% matchNo user reviews
Dev: Joshua R.D. Wilson
Windows
A sci-fi, 4X, real-time strategy game. Build, fight, and explore to survive against an unstoppable alien threat. Carry the fight from one galaxy to the next as you battle back from the brink of extinction, and unlock the secrets of the past to restore your people to the path of galactic super power.
Why similar: 4X 42% ★, RTS 17.9%, Futuristic 12.7%, Space 10.9%, Strategy 9.4%
- #27 Sins of a Solar Empire II
78% 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 41.9% ★, RTS 24%, Space 13.1%, Strategy 9.8%, Sci-fi 5.8%
- #28 Master of Orion
79% 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 65.6% ★, Strategy 17.6%, Space 10.6%, Sci-fi 4.7%, RTS 1.4%
- #29 The Qin Empire
79% matchMostly Positive70% of 10 reviews2022
Dev: MAX GAME PTE. LTD.
Windows
真·春秋戦国戦略SLG―中国史上最もドラマチックな時代が舞台! 名もなき小国の人物から成長し、春秋時代の戦国武将を集め、領土を広げ、他のプレイヤーや味方と同盟を結んで共に戦い、戦略と知恵を駆使して始皇帝の如く天下を制覇しよう! いざ出陣だ!これは、始皇帝へとつながる戦乱!
Why similar: 4X 49.7% ★, RTS 26%, Strategy 15.5%, War 8.7%
- #30 Galactic Wargames
78% matchNo user reviews
Dev: Marion
Windows
GalacticWargames is a 4X space war game where you explore, build, and fight to conquer the galaxy. Customize your ships, form alliances, and engage in epic battles. Ready to conquer the stars?
Why similar: 4X 48.5% ★, Strategy 14.5%, War 10.2%, Building 10.1%, Base Building 5.5%
- #31 Near Sol
77% match1 user reviews0% of 1 reviews2022
Dev: LTide
Windows · Mac · Linux
Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)
Why similar: 4X 44.4% ★, RTS 23.4%, Space 8.7%, Strategy 8.6%, Futuristic 4.7%
- #32 Pan's Permia
77% matchNo user reviews
Dev: Byte-Era
Windows
Pan's Permia is a planetary city builder survival game, with intricate building mechanics, villager survival, in depth army combat, and tower defense mechanics!
Why similar: 4X 36.4% ★, RTS 24.5%, War 15.4%, Strategy 7.7%, Base Building 7.3%
- #33 Empires of the Void II
76% matchMixed58% of 24 reviews2021
Dev: Magnus Muscle
Windows
A sci-fi turn-based strategy game. A faithful digital rendition of the beloved board game, Empires of the Void II.
Why similar: 4X 43.5% ★, Strategy 16.1%, Aliens 11.6%, Space 8.7%, War 5.8%
- #34 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 54.8% ★, Strategy 18.7%, Space 12.7%, Sci-fi 6.4%, Aliens 3.7%
- #35 State of Survival: Last Warrior
74% matchMostly Negative37% of 27 reviews2025
Dev: FunPlus International AG
Windows
Build a shelter to fend off the zombies and survive in the apocalypse
Why similar: 4X 45.8% ★, RTS 23.4%, Strategy 13.3%, Building 7.1%, War 6.5%
- #36 Space Empires V
75% 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 64% ★, Strategy 18.5%, Space 10.9%, Sci-fi 6.4%, Singleplayer 0.2%
- #37 Lords of the Black Sun
75% 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 62.5% ★, Strategy 18.3%, Space 14.3%, Sci-fi 4.5%, Indie 0.5%
- #38 Within a Dead City
73% matchMostly Positive72% of 46 reviews2023
Dev: Moonroof Studios
Windows
Within a Dead City is a tiny RTS / autobattler inspired by Majesty. Hire autonomous heroes to search for gold and glory. Build shops where they can spend their hard-earned loot. Place bounties on monsters to influence their behavior. With skill and strategy, you will find riches in the fallen city.
Why similar: 4X 43.6% ★, RTS 23.7%, Base Building 9.8%, Building 8.5%, Strategy 7.7%
- #39 StarDrive 2
74% 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 53.4% ★, Strategy 22.1%, Space 14.5%, Sci-fi 9.3%, Indie 0.6%
- #40 Sword of the Stars: Complete Collection
73% 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 65% ★, Strategy 16.7%, Space 11.2%, Sci-fi 6.9%, Singleplayer 0.2%
- #41 Foundation: Galactic Frontier
72% matchNo user reviews
Dev: FunPlus International AG
Windows
Command Asimov's OFFICIAL Foundation universe! Live the life as an interstellar trader to exploit your trade routes! Build your starship home, crush enemies in explosive shootouts & outsmart rivals with fleet strategies in epic space wars - with new content expanding your saga!
Why similar: 4X 37.2% ★, RTS 15.9%, Base Building 10.6%, Space 9.8%, Strategy 9%
- #42 Iron Marines
72% matchMostly Positive78% of 1,847 reviews2019
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 5.1 hrsMean: 11.4 hrs≥1hr: 87%
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
Why similar: RTS 36.9%, Aliens 20.4%, Strategy 11.7%, Sci-fi 8.9%, Space 8.2%
- #43 Uciana
71% matchNo user reviews
Dev: Birdshel, LLC
Windows
Explore, expand, exploit, and exterminate in this sci-fi 4X turn-based strategy game.
Why similar: 4X 59.7% ★, Strategy 18.3%, Space 8.8%, Sci-fi 7.3%, 2D 5.5%
- #44 Planet X3 (DOS)
70% match7 user reviews100% of 7 reviews2023
Dev: 8-Bit Productions, LLCPub: NMSE & Co LLC
Windows · Mac
Planet X3 is a new retro real-time strategy game for DOS. You are up against the Protoids. You need to mine resources, build infrastructure and build offensive units to defeat them. All while protecting your bases. Relive the VGA, AdLib and keyboard controls experience of early 90s PC gaming.
Why similar: RTS 35.7%, Strategy 19.4%, Base Building 12.5%, Building 12.1%, Futuristic 12.1%
- #45 Anno 2205™
71% matchMostly Positive70% of 6,296 reviews2015
Dev: Blue BytePub: Ubisoft
Windows
Median: 10.2 hrsMean: 54.6 hrs≥1hr: 89%
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
Why similar: 4X 37.7% ★, RTS 12.7%, Strategy 12.2%, Futuristic 11.8%, Space 7.3%
- #46 Galactic Inheritors
71% 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 60.4% ★, Space 17.9%, Strategy 14.4%, Sci-fi 6.9%, Indie 0.4%
- #47 Powerplay
69% matchNo user reviews
Dev: Frantic
Windows · Mac · Linux
Powerplay is an RTS with a focus on resources and industry. Create supply chains, transport, and explore in this thrilling base builder. Grow into a powerful industrial nation, but don't spread too thin! Resources are finite and "the others" can reclaim what is theirs at any time.
Why similar: 4X 38.6% ★, RTS 24.8%, Base Building 10.9%, Strategy 8.8%, Building 6.8%
- #48 Sid Meier's Alpha Centauri™ Planetary Pack
68% matchVery Positive91% of 581 reviews2024
Dev: Firaxis GamesPub: Electronic Arts
Windows
Median: 42 minMean: 12.1 hrs≥1hr: 43%
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.
Why similar: 4X 73.4% ★, Strategy 14.6%, Space 11.5%, Singleplayer 0.5%
- #49 Sins of a Solar Empire: Trinity®
70% matchMostly Positive77% of 813 reviews2011
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 2.0 hrsMean: 30.8 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 31.4% ★, RTS 16.9%, Aliens 11.3%, Building 8.5%, War 8.3%
- #50 War For Galaxy: New Era
69% matchMixed44% of 39 reviews2023
Dev: UAB Kinelija
Windows · Mac
Become the ruler of the entire Galaxy: colonize planets, extract resources, build defenses and fight in planetary battles!
Why similar: 4X 40% ★, RTS 21.8%, War 11.5%, Building 10.3%, Space 8.8%
- #51 AI War: Fleet Command
70% 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: 4X 29.8% ★, Strategy 27.5%, RTS 26.1%, Space 10.2%, Sci-fi 4.9%
- #52 Rebel space admiral
69% matchNo user reviews
Dev: Babster
Windows
The Rebel Space Admiral is an idler/ clicker game about space exploration with battles, trade, base building, planet invasions and science research. Fight your way through hundreds of star systems, meet aliens, find powerful artifacts and defeat an ancient evil before it purges the galaxy.
Why similar: 4X 40.3% ★, Aliens 16%, Building 14.4%, Futuristic 11.3%, Strategy 8.8%
- #53 Galactic Conflict
67% match2 user reviews50% of 2 reviews2026
Dev: Shadowfoundry GamesPub: Sinpros Entertainment and Multimedia
Windows
A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.
Why similar: 4X 47.3% ★, RTS 25%, Strategy 14.4%, Space 5.7%, Sci-fi 4.2%
- #54 Aeons of Rebirth
66% matchMixed67% of 42 reviews2025
Dev: Short Scale
Windows
Aeons of Rebirth is a short, strategic incremental journey about exploring planets and building the greatest space empires ever!
Why similar: 4X 55.6% ★, Aliens 14.4%, Space 12%, Futuristic 9.3%, Resource Management 5.7%
- #55 Master of Orion 1
67% matchVery Positive90% of 442 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 73.6% ★, Strategy 15.7%, Space 6.9%, Sci-fi 3.7%, Singleplayer 0.2%
- #56 StarWay
67% matchNo user reviews
Dev: jiahuiJIA
Windows
Technology, Magic, and Immortals collide in a universe torn apart by endless aggression. War is total; even the laws of existence are erased. Lead your fleets to invade worlds across the stars. Your goal is simple: Expand. Conquer. Destroy. Supports LAN & Online Multiplayer (PvP & Co-op).
Why similar: 4X 45.9% ★, RTS 27.6%, Strategy 9.7%, Space 5.3%, War 5.2%
- #57 Etherium
68% 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: RTS 32.3%, Strategy 20.3%, 4X 19.8% ★, Sci-fi 18.6%, Space 8.9%
- #58 Feudalism
68% matchMostly Negative33% of 45 reviews2016
Dev: ImagimotionPub: IV Productions
Windows · Mac · Linux
Conquer Europe, become an Emperor. Build your family’s dynasty through seven centuries, from 800 A.D. to 1492 A.D., up until the inevitable collapse of the feudal system.
Why similar: 4X 71.1% ★, Strategy 28.9%
- #59 Halo Wars: Definitive Edition
66% matchVery Positive91% of 9,278 reviews2017
Dev: Ensemble StudiosPub: Xbox Game Studios
Windows
Median: 4.2 hrsMean: 13.4 hrs≥1hr: 84%
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
Why similar: RTS 44.2%, Strategy 15.6%, Base Building 14%, War 12.1%, Aliens 7.9%