- #1 Xenonauts
97% matchVery Positive87% of 5,012 reviews2014
Dev: Goldhawk Interactive
Windows · Mac · Linux
Median: 8.2 hrsMean: 19.7 hrs≥1hr: 88%
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: Strategy 55.5%, Sci-fi 39.9%, Singleplayer 4.6%
Why You'll Like It: It offers the most authentic modern take on the classic X-COM strategic management and alien defense experience.
- #2 Void Destroyer 2
96% 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: Space Sim 30.1% ★, Strategy 18.5%, Space 18.3%, Flight 17.3%, Sci-fi 14.6%
Why You'll Like It: This game perfectly mirrors the seed by combining space combat simulation with strategic fleet management and base building.
- #3 X2: The Threat
96% matchVery Positive83% of 518 reviews2006
Dev: Egosoft
Windows
Median: 24 minMean: 7.4 hrs≥1hr: 35%
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Why similar: Space 30.8%, Strategy 23.7%, Space Sim 21.1% ★, Sci-fi 15.1%, Flight 8.2%
Why You'll Like It: A classic space simulation that emphasizes trading, combat, and empire-building in a hostile galaxy.
- #4 Starpoint Gemini Warlords
95% 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: Space Sim 25.7% ★, Space 23%, Strategy 18.7%, Flight 15.9%, Sci-fi 15.3%
Why You'll Like It: It blends 4X strategy, RPG elements, and space combat, offering a similar scope to the management and flight aspects of the seed.
- #5 Xenonauts 2
94% matchMostly Positive80% of 3,657 reviews2023
Dev: Goldhawk InteractivePub: Hooded Horse
Windows
Median: 5.7 hrsMean: 19.3 hrs≥1hr: 82%
Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.
Why similar: Strategy 55.6%, Sci-fi 44.4%
Why You'll Like It: A refined successor that captures the tension of managing a global defense force against an extraterrestrial threat.
- #6 X3: Reunion
94% matchMostly Positive72% of 725 reviews2006
Dev: Egosoft
Windows · Mac · Linux
Median: 36 minMean: 8.8 hrs≥1hr: 41%
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
Why similar: Space 29.5%, Space Sim 25.5% ★, Strategy 19.3%, Sci-fi 13.9%, Flight 10.8%
Why You'll Like It: Provides a deep space simulation experience with complex economy and fleet management that appeals to the strategic side of the seed.
- #7 X: Beyond the Frontier
93% matchMostly Positive75% of 382 reviews2010
Dev: Egosoft
Windows
Median: 30 minMean: 5.0 hrs≥1hr: 39%
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.
Why similar: Space 28.3%, Space Sim 22.7% ★, Strategy 22.2%, Sci-fi 16.5%, Flight 9%
Why You'll Like It: The foundational entry in the X series that focuses on the solitary pilot experience within a vast, strategic space environment.
- #8 STAR WARS™: TIE Fighter Special Edition
92% matchVery Positive81% of 631 reviews2015
Dev: Totally GamesPub: LucasArts
Windows · Mac
Median: 12 minMean: 6.4 hrs≥1hr: 28%
The Imperial Navy is called upon to eradicate the last of the rebellion and restore law and order. As an Imperial navy starfighter pilot, you will safeguard imperiled lives thoughout the galaxy. Join the Emperor's cause in eliminating the Rebel uprising as the Empire strikes back!
Why similar: Space Sim 50.1% ★, Space 35.2%, Flight 12.4%, Singleplayer 2.4%
Why You'll Like It: Captures the definitive 90s space combat simulation feel that defined the genre alongside the seed game.
- #9 STAR WARS™ - X-Wing Alliance™
91% matchVery Positive83% of 500 reviews2015
Dev: Totally GamesPub: LucasArts
Windows
Median: 6 minMean: 4.3 hrs≥1hr: 20%
A neutral family fights for its business - and its survival - and is swept up in the struggle against the encroaching Empire. You must defy the strong-arm tactics of a rival family who will stop at nothing to destroy your trading company.
Why similar: Space Sim 46.3% ★, Space 31.1%, Flight 12.6%, Sci-fi 8%, Singleplayer 2%
Why You'll Like It: Features the high-stakes dogfighting and mission-based structure that fans of space combat sims will find familiar.
- #10 X-COM: UFO Defense
91% matchVery Positive95% of 3,930 reviews2008
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 6 minMean: 6.8 hrs≥1hr: 24%
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
Why similar: Strategy 64.1%, Sci-fi 33.6%, Singleplayer 2.3%
Why You'll Like It: The original classic that established the strategic management and alien research loops found in the seed.
- #11 XCOM® 2
89% matchVery Positive85% of 107,051 reviews2016
Dev: Firaxis GamesPub: 2K
Windows · Mac · Linux
Median: 12.6 hrsMean: 61.0 hrs≥1hr: 90%
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
Why similar: Strategy 51.9%, Sci-fi 44%, Singleplayer 4.1%
Why You'll Like It: The gold standard for modern tactical squad-based strategy against alien invaders.
- #12 X-COM: Terror From the Deep
90% matchVery Positive91% of 914 reviews2007
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 12 minMean: 10.5 hrs≥1hr: 29%
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
Why similar: Strategy 64.7%, Sci-fi 33.9%, Singleplayer 1.4%
Why You'll Like It: A challenging, atmosphere-heavy sequel that expands on the original's strategic formula.
- #13 Nexus - The Jupiter Incident
89% 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: Strategy 37.9%, Space 36.9%, Sci-fi 23.8%, Singleplayer 1.3%
Why You'll Like It: A tactical space combat game that emphasizes ship management and positioning over pure arcade flight.
- #14 XCOM: Enemy Unknown
87% matchVery Positive93% of 57,975 reviews2012
Dev: Firaxis GamesPub: 2K
Windows · Linux
Median: 10.8 hrsMean: 35.0 hrs≥1hr: 93%
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
Why similar: Strategy 53.5%, Sci-fi 44.5%, Singleplayer 2%
Why You'll Like It: A polished tactical strategy game that captures the core 'defend Earth' theme of the X-COM franchise.
- #15 X-COM: Apocalypse
88% matchVery Positive89% of 934 reviews2008
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 6 minMean: 17.9 hrs≥1hr: 28%
There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city.
Why similar: Strategy 65.9%, Sci-fi 32.9%, Singleplayer 1.1%
Why You'll Like It: Introduces city-based management and real-time tactical options that push the series' strategic boundaries.
- #16 Elite Dangerous
86% matchMostly Positive77% of 105,113 reviews2015
Dev: Frontier Developments
Windows
Median: 18.4 hrsMean: 146.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space Sim 45% ★, Space 30.3%, Sci-fi 18%, Strategy 5.9%, Singleplayer 0.7%
Why You'll Like It: A modern, massive-scale space simulation that offers unparalleled flight mechanics and tactical combat depth.
- #17 Strike Suit Zero: Director's Cut
86% matchVery Positive82% of 387 reviews2014
Dev: Born Ready Games
Windows
Median: 2.5 hrsMean: 4.1 hrs≥1hr: 85%
In the year 2299, an interstellar war rages on. In a bid to save Earth from destruction, you must take control of the Strike Suit – a revolutionary fighter craft with the ability to transform into a lethal suit of space armor.
Why similar: Space 39.2%, Sci-fi 22.9%, Space Sim 19.3% ★, Flight 18%, Singleplayer 0.5%
Why You'll Like It: Features high-speed space combat with a unique transformation mechanic that adds tactical variety to dogfights.
- #18 EVERSPACE™
84% matchMostly Positive78% of 11,373 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 10.0 hrs≥1hr: 75%
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
Why similar: Space 40.2%, Space Sim 26.2% ★, Sci-fi 17.8%, Flight 14.7%, Singleplayer 1.1%
Why You'll Like It: Focuses on fast-paced, arcade-style space combat with roguelike elements that keep the action intense.
- #19 UFO: Aftermath
85% matchMostly Positive78% of 333 reviews2014
Dev: Altar InteractivePub: Fulqrum Publishing
Windows
Median: 54 minMean: 10.0 hrs≥1hr: 47%
UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.
Why similar: Strategy 67.4%, Sci-fi 17.5%, Space 13.4%, Singleplayer 1.8%
Why You'll Like It: Combines real-time tactical combat with global strategy in a post-apocalyptic alien invasion scenario.
- #20 UFO: Aftershock
84% matchMostly Positive75% of 252 reviews2014
Dev: ALTAR InteractivePub: Fulqrum Publishing
Windows
Median: 18 minMean: 27.9 hrs≥1hr: 39%
UFO: Aftershock is a combination of tactical squad combat and global strategy that enhances and expands upon its prequel, UFO: Aftermath.
Why similar: Strategy 63.7%, Sci-fi 19.2%, Space 17%
Why You'll Like It: A strategic follow-up to the UFO series that maintains the focus on global alien defense and tactical combat.
- #21 Rebel Galaxy Outlaw
83% matchMixed64% of 1,122 reviews2020
Dev: Double Damage Games
Windows
Median: 36 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: Space Sim 46.7% ★, Sci-fi 24.4%, Space 16.6%, Flight 11.9%, Singleplayer 0.4%
Why You'll Like It: Provides a gritty, cockpit-focused space combat experience with a strong emphasis on ship customization.
- #22 AI War: Fleet Command
82% matchVery Positive82% of 1,594 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 66.2%, Space 20.8%, Sci-fi 12.4%, Singleplayer 0.6%
Why You'll Like It: A grand-scale strategy game where you must manage a desperate war against an overwhelming, technologically superior AI enemy.
- #23 Star Wolves
82% matchVery Positive84% of 448 reviews2010
Dev: X-Bow SoftwarePub: Fulqrum Publishing
Windows
Median: 18 minMean: 7.5 hrs≥1hr: 38%
Star wolves is a 3D space RPG with deep strategy and tactical elements. The game thrusts players into a world of freelance space hunters in the XXI-XXII century A.D. during a time of political crisis for the all-powerful Empire and the three mega-corporations that control all the known worlds.
Why similar: Strategy 44.9%, Space 42%, Sci-fi 13.1%
Why You'll Like It: A unique blend of RPG and real-time tactical space combat that emphasizes squad-based ship management.
- #24 Ground Control II: Operation Exodus
80% matchVery Positive89% of 317 reviews2015
Dev: Massive EntertainmentPub: Rebellion
Windows
Median: 30 minMean: 8.2 hrs≥1hr: 40%
It’s 2741 and the universe is at war. The Terran Empire is laying siege to the NSA, a treaty of colonies that upholds freedom and democracy. After losing the battle in space, the NSA is forced to retreat to its last stronghold. Can you snatch victory from impending doom?
Why similar: Strategy 84%, Sci-fi 16%
Why You'll Like It: A classic real-time tactics game that focuses on unit management and battlefield control without base building.
- #25 Sid Meier's Starships
81% 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: Strategy 39.7%, Space 37%, Sci-fi 22.1%, Singleplayer 1.3%
Why You'll Like It: A streamlined strategic game that focuses on building a fleet to protect planets across a sci-fi galaxy.
- #26 Nomad Fleet
81% 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: Strategy 47.8%, Space 30.1%, Sci-fi 20.9%, Singleplayer 1.2%
Why You'll Like It: A space-based RTS that emphasizes survival and resource management while fleeing an encroaching alien force.
- #27 Homeworld Remastered Collection
78% 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 42.7%, Strategy 33.7%, Sci-fi 22.9%, Singleplayer 0.6%
Why You'll Like It: A masterpiece of 3D space strategy that focuses on fleet management and tactical positioning in a sci-fi setting.
- #28 Battlefleet Gothic: Armada 2
78% matchMostly Positive75% of 10,734 reviews2019
Dev: Tindalos InteractivePub: Focus Entertainment
Windows
Median: 5.0 hrsMean: 22.9 hrs≥1hr: 86%
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
Why similar: Space 45.6%, Strategy 40.1%, Sci-fi 13.4%, Singleplayer 0.9%
Why You'll Like It: Focuses on large-scale tactical space combat between massive capital ships, perfect for fans of sci-fi warfare.
- #29 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%
Why You'll Like It: A classic 4X strategy game that integrates space combat and empire management on a grand scale.
- #30 Ancient Space
79% 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: Strategy 41.4%, Space 34%, Sci-fi 16.5%, Space Sim 6.7% ★, Singleplayer 1.3%
Why You'll Like It: A story-driven space RTS that focuses on fleet command and tactical combat in deep space.
- #31 XCOM®: Chimera Squad
74% matchMostly Positive71% of 23,227 reviews2020
Dev: Firaxis GamesPub: 2K
Windows
Median: 7.2 hrsMean: 17.1 hrs≥1hr: 79%
XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
Why similar: Strategy 74.4%, Sci-fi 23%, Singleplayer 2.6%
- #32 X-COM: Enforcer
77% matchMixed58% of 462 reviews2008
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 18 minMean: 7.9 hrs≥1hr: 26%
X-COM: Earth's top-secret eXtraterrestrial COMbat unit The Place: America - early 21st century The Mission: Eradicate the extraterrestrials Alien forces have invaded Earth and are terrorizing the population.
Why similar: Strategy 66.5%, Sci-fi 33.5%
- #33 UFO: Afterlight
76% matchMixed65% of 531 reviews2014
Dev: Altar GamesPub: Bohemia Interactive
Windows
Median: 12 minMean: 9.4 hrs≥1hr: 28%
The story is situated on Mars. It starts where UFO: Aftermath left off and runs simultaneously with UFO: Aftershock. While the Laputans on Earth are fighting Wargots and Starghosts and finding out what caused the destruction of their home planet, a small colony on Mars is trying to survive and flourish.
Why similar: Strategy 69.5%, Sci-fi 28.6%, Singleplayer 1.9%
- #34 Xeno Command
73% matchVery Positive84% of 55 reviews2022
Dev: ChillyRoomPub: ChillyRoom
Windows
Defend galaxy against Alien invasion in the RTS offline game with roguelike fun
Why similar: Strategy 41.4%, Space 31.3%, Sci-fi 25.2%, Singleplayer 2.1%
- #35 MoonBase Commander
75% matchVery Positive89% of 180 reviews2014
Dev: Humongous EntertainmentPub: Rebellion
Windows
Median: 2.9 hrsMean: 4.7 hrs≥1hr: 94%
Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.
Why similar: Strategy 100%
- #36 Galactic Civilizations® I: Ultimate Edition
77% 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: Strategy 39.2%, Space 32.2%, Sci-fi 26.8%, Singleplayer 1.9%
- #37 Sid Meier's Civilization®: Beyond Earth™
74% 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: Strategy 43.8%, Sci-fi 28.2%, Space 26.6%, Singleplayer 1.5%
- #38 Terra Invicta
67% 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: Strategy 93.6%, Singleplayer 6.4%
- #39 Freedom Force
76% matchMixed56% of 538 reviews2009
Dev: Irrational GamesPub: 2K
Windows
Median: 24 minMean: 3.0 hrs≥1hr: 30%
From a distant corner of the galaxy, an evil alien race sets in motion a sinister plan to conquer the Earth. They unleash a powerful catalyst — Energy X — that imbues the planet's worst miscreants with super-powers to bring the planet to its knees. Now Earth's only hope lies with a new breed of heroes... The Freedom Force!
Why similar: Strategy 97.3%, Singleplayer 2.7%
- #40 STAR WARS™ - X-Wing Special Edition
73% matchMostly Positive78% of 463 reviews2015
Dev: LucasfimPub: LucasArts
Windows · Mac
Median: 12 minMean: 6.3 hrs≥1hr: 29%
Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?
Why similar: Space Sim 48.3% ★, Space 30%, Flight 12.2%, Sci-fi 7%, Singleplayer 2.4%
- #41 Anomaly Defenders
72% matchMostly Positive77% of 676 reviews2014
Dev: 11 bit studios
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.7 hrs≥1hr: 89%
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
Why similar: Strategy 85.9%, Sci-fi 14.1%
- #42 Creeper World IXE
67% matchMostly Positive70% of 851 reviews2024
Dev: Knuckle Cracker
Windows
Median: 13.3 hrsMean: 13.8 hrs≥1hr: 84%
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
Why similar: Space 43.1%, Strategy 36.2%, Sci-fi 20.6%
- #43 Genesis Rising
75% matchMostly Negative31% of 163 reviews2007
Dev: MetamorfPub: THQ Nordic
Windows
Median: 18 minMean: 3.4 hrs≥1hr: 29%
Three thousand years in the future, mankind has carved a bloody path towards domination of the known universe. Self-proclaimed as a divine race and beyond reproach as a species, they view all alien races as inferior.
Why similar: Strategy 54%, Space 28.4%, Sci-fi 17.7%
- #44 USC: Counterforce
68% matchMixed68% of 235 reviews2024
Dev: Angry Cat StudiosPub: Firesquid
Windows
Lead your Space Commandos in a revival of turn-based squad tactics inspired by UFO/XCOM and Aliens. Utilize in-depth skill & combat systems in multiple game modes, including a full campaign. Discover the truth behind the demise of colony MC83-A and join the USC in defending humanity!
Why similar: Space 34%, Strategy 33.9%, Sci-fi 29%, Singleplayer 3.1%
- #45 Star Traders: 4X Empires
73% matchMixed63% of 82 reviews2014
Dev: Trese Brothers
Windows · Mac · Linux
Median: 1.6 hrsMean: 2.8 hrs≥1hr: 94%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: Sci-fi 36.6%, Space 34.7%, Strategy 28.7%
- #46 Space Crew: Legendary Edition
69% matchMostly Positive74% of 3,111 reviews2020
Dev: Runner DuckPub: Curve Games
Windows · Mac · Linux
Median: 2.7 hrsMean: 9.8 hrs≥1hr: 63%
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Why similar: Space Sim 27.8% ★, Strategy 24.4%, Space 24%, Sci-fi 22.3%, Singleplayer 1.5%
- #47 Ground Control Anthology
71% matchVery Positive85% of 196 reviews2015
Dev: Massive EntertainmentPub: Rebellion
Windows
Median: 30 minMean: 15.9 hrs≥1hr: 40%
The year is 2419. War has devastated Earth, and mega-corporations take to the stars to fight over colonised planets. Your employer, the Crayven Corporation, chose you to command an army of ground and air forces. You thought it would be just another brush-fire war. You were wrong.
Why similar: Strategy 87.8%, Sci-fi 12.2%
- #48 XENOBREAKERS: Classic Tower Defense
66% matchVery Positive86% of 83 reviews2025
Dev: Couch Potato Studios
Windows
Defend Billy and his crew on their way to the extraction zone! You have been authorized to use the defense system. Protect them from giant bugs, malfunctioning droids and more...
Why similar: Strategy 59.4%, Sci-fi 36.6%, Singleplayer 3.9%
- #49 Aliens: Dark Descent
65% matchVery Positive88% of 17,771 reviews2023
Dev: Tindalos InteractivePub: Focus Entertainment
Windows
Median: 4.2 hrsMean: 14.9 hrs≥1hr: 87%
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
Why similar: Strategy 50.1%, Sci-fi 27.6%, Space 19.8%, Singleplayer 2.5%
- #50 Starport Delta
70% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Strategy 43.9%, Space Sim 25% ★, Space 17.5%, Sci-fi 13%, Singleplayer 0.6%
- #51 SOL: Exodus
72% matchMixed51% of 109 reviews2012
Dev: Bit Planet Games, LLC
Windows
Median: 30 minMean: 4.3 hrs≥1hr: 31%
Take on the role of the Lieutenant Commander, ace fighter pilot, as you search for a new home, battle a mysterious enemy, and rescue humanity from a fiery end.
Why similar: Space 100%
- #52 Space Empires IV Deluxe
71% 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: Strategy 54.1%, Space 23.1%, Sci-fi 22.1%, Singleplayer 0.7%
- #53 Sins of a Solar Empire: Trinity®
70% 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: Space Sim 34% ★, Strategy 23.5%, Space 23.4%, Sci-fi 19.1%
- #54 Future War Tactics: SOF vs Alien Invasion – Turn-Based Strategy
64% matchMostly Positive70% of 136 reviews2025
Dev: QuadCom InteractivePub: Brightika, Inc.
Windows
Future War Tactics: SOF vs Alien Invasion - a turn-based strategy where you command SOF forces against an alien threat. Investigate disappearances, fight the invaders, and uncover the mystery. Every decision affects the fate of humanity.
Why similar: Strategy 98.7%, Singleplayer 1.3%
- #55 Pandora: First Contact
70% matchMixed63% of 638 reviews2014
Dev: Proxy StudiosPub: Slitherine Ltd.
Windows
Median: 3.3 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: Strategy 57.2%, Sci-fi 28.1%, Space 13.1%, Singleplayer 1.6%
- #56 Star Wolves 2
71% matchMostly Negative39% of 161 reviews2010
Dev: X-Bow SoftwarePub: Fulqrum Publishing
Windows
Median: 12 minMean: 6.4 hrs≥1hr: 40%
Six years have passed after the events of 2226 A.D. The balance in the galaxy has been restored as transgalactic corporations have been deported to the outskirts of the galaxy and deprived of their power. The Empire, just as before, continues to fight against the Aliens. As a rule armadas of battleships aren't used in such conflicts.
Why similar: Strategy 58.8%, Space 41.2%
- #57 Dust Fleet
65% 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: Space Sim 29.3% ★, Strategy 25.5%, Space 24.3%, Sci-fi 20.4%, Singleplayer 0.6%
- #58 Star Ruler
69% 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: Strategy 50.4%, Space 33.6%, Sci-fi 15.5%, Singleplayer 0.5%
- #59 Earth 2150 Trilogy
68% matchMostly Positive79% of 1,004 reviews2013
Dev: Reality Pump StudiosPub: Topware Interactive
Windows · Mac · Linux
Median: 3.9 hrsMean: 20.4 hrs≥1hr: 89%
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
Why similar: Strategy 93.8%, Sci-fi 4.4%, Space 1.7%