- #1 Terra Invicta
96% matchVery Positive81% of 9,434 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.6 hrsMean: 52.2 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 26.6% ★, Strategy 22%, Grand Strategy 21.1% ★, Space 12.6%, Real-Time with Pause 8.3% ★
Why You'll Like It: A complex grand strategy game that focuses on asymmetric resistance against an alien threat, mirroring the 'David vs. Goliath' struggle.
- #2 AI War 2
97% matchVery Positive88% of 1,550 reviews2019
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.7 hrs≥1hr: 83%
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Why similar: 4X 24.5% ★, Grand Strategy 17.5% ★, RTS 15.3%, Strategy 11.2%, Space 9%
Why You'll Like It: The direct sequel refines the asymmetric warfare and massive scale of the original with modern mechanics and improved UI.
- #3 NEBULOUS: Fleet Command
96% matchVery Positive81% of 4,297 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 5.1 hrsMean: 31.7 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: Strategy 20.1%, RTS 20%, Grand Strategy 19.4% ★, Space 12.3%, Real-Time with Pause 8.6% ★
Why You'll Like It: Offers deep, tactical space combat that emphasizes realistic sensor management and outsmarting superior enemy forces.
- #4 Sins of a Solar Empire II
94% matchVery Positive84% of 8,475 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.9 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 22% ★, Strategy 21.9%, RTS 20%, Space 17.4%, Co-op 5.7%
Why You'll Like It: Blends real-time strategy with 4X elements to create large-scale space warfare that feels grand and strategic.
- #5 Distant Worlds: Universe
95% matchMostly Positive75% of 1,851 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 29.4% ★, Strategy 24.4%, Space 15.7%, Grand Strategy 12.2% ★, RTS 8.1%
Why You'll Like It: Provides unparalleled 4X grand strategy depth with a focus on managing a vast, living galaxy against existential threats.
- #6 Homeworld Remastered Collection
94% matchVery Positive88% of 14,093 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.7 hrsMean: 34.4 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: RTS 26.7%, Strategy 25.6%, Space 22.6%, Great Soundtrack 7.1%, Sci-fi 6.9%
Why You'll Like It: The definitive classic for 3D space-based RTS, offering tactical depth and a persistent fleet management feel.
- #7 Supreme Commander: Forged Alliance
93% matchOverwhelmingly Positive97% of 14,229 reviews2011
Dev: Gas Powered GamesPub: Square Enix
Windows
Median: 6.9 hrsMean: 49.5 hrs≥1hr: 75%
The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.
Why similar: RTS 33.9%, Strategy 33%, Grand Strategy 11.7% ★, Sci-fi 6.5%, Co-op 4.2%
Why You'll Like It: The gold standard for macro-scale RTS, focusing on economy management and overwhelming unit production.
- #8 The Last Federation
92% matchMostly Positive75% of 504 reviews2014
Dev: Arcen Games
Windows · Mac · Linux
Median: 3.6 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: Strategy 33.1%, 4X 20.2% ★, Space 17.5%, Grand Strategy 10.7% ★, Sci-fi 4.6%
Why You'll Like It: Features unique asymmetric diplomacy and strategy mechanics that force you to manipulate a galaxy to survive.
- #9 Infested Planet
91% matchVery Positive94% of 3,032 reviews2014
Dev: Rocket Bear Games
Windows
Median: 3.1 hrsMean: 5.9 hrs≥1hr: 88%
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
Why similar: Strategy 44.5%, RTS 29.3%, Tower Defense 9.9%, Sci-fi 6.4%, Tactical 4.3%
Why You'll Like It: Focuses on asymmetric tactical combat against a massive, evolving swarm, requiring clever use of limited resources.
- #10 Star Ruler 2
91% 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: Strategy 28.3%, 4X 26.5% ★, RTS 20.3%, Space 16.6%, Sci-fi 6.8%
Why You'll Like It: A 4X space strategy game that allows for massive scale and complex ship design within a dynamic galaxy.
- #11 Particle Fleet: Emergence
90% matchVery Positive92% of 1,275 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.8 hrsMean: 24.9 hrs≥1hr: 76%
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Why similar: Strategy 41%, RTS 22.4%, Space 16.6%, Real-Time with Pause 6.8% ★, Sci-fi 4.4%
Why You'll Like It: A unique tactical RTS where you must manage fluid-like enemy swarms, requiring creative defensive planning.
- #12 Zero-K
89% matchVery Positive94% of 4,317 reviews2018
Dev: Zero-K Team
Windows · Linux
Median: 2.3 hrsMean: 33.4 hrs≥1hr: 68%
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
Why similar: Strategy 41.2%, RTS 40.5%, Co-op 6.3%, Multiplayer 3.9%, Sci-fi 3.2%
Why You'll Like It: A massive-scale, open-source RTS that features complex unit interactions and a focus on strategic map control.
- #13 Stellaris
89% matchVery Positive86% of 195,709 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.4 hrsMean: 144.1 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 23.3% ★, Strategy 20.5%, Grand Strategy 19.9% ★, Space 18%, Sci-fi 6.9%
Why You'll Like It: A grand strategy game where managing late-game crises against superior forces provides a similar tension to AI War.
- #14 Perimeter
88% matchVery Positive84% of 264 reviews2014
Dev: K-D LabPub: Fulqrum Publishing
Windows
Median: 2.5 hrsMean: 4.3 hrs≥1hr: 95%
Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize territory and establish crucial protective “perimeters.” Players will be introduced to the game’s unique terraforming feature, allowing them to move, build, construct and destroy the map...
Why similar: Strategy 52.7%, RTS 32.5%, Space 7%, Sci-fi 4.5%, Classic 3.2% ★
Why You'll Like It: Features highly unique RTS mechanics involving terrain manipulation and energy management to survive against an encroaching threat.
- #15 Homeworld: Deserts of Kharak
86% matchMostly Positive79% of 8,876 reviews2016
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows · Mac
Median: 5.0 hrsMean: 9.6 hrs≥1hr: 87%
A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.
Why similar: Strategy 36.9%, RTS 35.6%, Sci-fi 8.8%, Space 8.5%, Great Soundtrack 6.3%
Why You'll Like It: A tactical RTS that translates the series' focus on positioning and unit preservation to a planetary scale.
- #16 Carrier Command 2
84% matchVery Positive82% of 3,716 reviews2021
Dev: GeometaPub: MicroProse Software
Windows · Mac
Median: 9.4 hrsMean: 15.6 hrs≥1hr: 92%
Carrier Command 2 is the real-time strategy game that puts you in command of a futuristic carrier capable of deploying a vast array of aircraft and amphibious units. Compete against AI or human players and hop into every single vehicle to take matters into your own hands!
Why similar: Strategy 35.1%, RTS 34.9%, Grand Strategy 27.5% ★, Simulation 2.5%
Why You'll Like It: Requires intense strategic planning and vehicle management to overcome an enemy force in a persistent, asymmetric environment.
- #17 STAR WARS™ Empire at War - Gold Pack
85% matchOverwhelmingly Positive98% of 42,747 reviews2010
Dev: PetroglyphPub: LucasArts
Windows
Median: 3.8 hrsMean: 47.6 hrs≥1hr: 72%
Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?
Why similar: Strategy 30.2%, RTS 25.7%, Space 13.7%, Grand Strategy 6.2% ★, Sci-fi 5.8%
Why You'll Like It: Combines a galactic-scale strategy layer with real-time space and ground battles.
- #18 Mindustry
83% matchOverwhelmingly Positive96% of 27,276 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 27.5 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: RTS 37%, Strategy 32.4%, Tower Defense 12.3%, Co-op 8.4%, Sci-fi 4%
Why You'll Like It: Combines tower defense with logistics and RTS elements, creating a similar 'swarm defense' strategic loop.
- #19 Nomad Fleet
86% matchMixed66% of 214 reviews2016
Dev: Autarca
Windows · Mac · Linux
Median: 3.2 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 45.8%, RTS 22%, Space 20.2%, Sci-fi 8%, Indie 3.5%
Why You'll Like It: A space-based RTS that focuses on fleet survival and resource management while on the run from a superior enemy.
- #20 Frozen Synapse
84% matchVery Positive83% of 2,620 reviews2011
Dev: Mode 7
Windows · Mac · Linux
Median: 2.2 hrsMean: 5.2 hrs≥1hr: 81%
Brings the simultaneous turn-based strategy genre up-to-date and lets you give detailed, accurate orders to your squad.
Why similar: Strategy 52.3%, Great Soundtrack 16.2%, Tactical 16%, Sci-fi 5.3%, Indie 3.4%
Why You'll Like It: Focuses on deep tactical planning and asynchronous combat where every move must be calculated to overcome the opposition.
- #21 Executive Assault 2
79% matchVery Positive83% of 1,751 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.7 hrsMean: 8.2 hrs≥1hr: 76%
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Why similar: RTS 36.8%, Strategy 28%, Space 17.4%, Co-op 7.2%, Sci-fi 6.5%
Why You'll Like It: An RTS/FPS hybrid that lets you manage your space base and fleet while personally engaging in the tactical combat.
- #22 Anomaly: Warzone Earth
82% matchVery Positive87% of 4,685 reviews2011
Dev: 11 bit studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 11.0 hrs≥1hr: 88%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Strategy 63.7%, RTS 12.8%, Tower Defense 11%, Sci-fi 8.3%, Indie 3.4%
Why You'll Like It: A 'tower offense' game that requires strategic pathing and unit management to break through enemy defenses.
- #23 Ground Control II: Operation Exodus
82% matchVery Positive89% of 327 reviews2015
Dev: Massive EntertainmentPub: Rebellion
Windows
Median: 30 minMean: 8.2 hrs≥1hr: 39%
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 71.3%, RTS 23.3%, Sci-fi 5.4%
Why You'll Like It: A tactical RTS that removes base building to focus entirely on unit positioning and tactical maneuvering.
- #24 Galactic Civilizations IV
78% matchMostly Positive73% of 2,484 reviews2023
Dev: Stardock Entertainment
Windows
Median: 5.2 hrsMean: 22.0 hrs≥1hr: 84%
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Why similar: 4X 26.8% ★, Grand Strategy 22.2% ★, Strategy 21.3%, Space 16.8%, Sci-fi 7.3%
Why You'll Like It: A deep 4X space strategy game that focuses on empire management and long-term strategic planning.
- #25 Cortex Command
81% matchMostly Positive72% of 6,052 reviews2012
Dev: Data RealmsPub: Data Realms, LLC
Windows · Mac
Median: 2.4 hrsMean: 5.3 hrs≥1hr: 80%
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
Why similar: Strategy 93%, RTS 2.2%, Sci-fi 1.9%, Difficult 1.1%, Indie 1%
Why You'll Like It: A physics-based tactical game that emphasizes base defense and unit management in a chaotic environment.
- #26 Supreme Commander
81% matchVery Positive89% of 3,126 reviews2011
Dev: Gas Powered GamesPub: Square Enix
Windows
Median: 1.5 hrsMean: 10.3 hrs≥1hr: 57%
For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.
Why similar: Strategy 39.8%, RTS 36.9%, Sci-fi 7.6%, Real-Time with Pause 4.5% ★, Co-op 4.3%
Why You'll Like It: The original macro-scale RTS experience that defined the genre's focus on economy and massive unit counts.
- #27 Planets Under Attack
80% matchMostly Positive73% of 1,248 reviews2012
Dev: Targem GamesPub: Topware Interactive
Windows · Mac
Median: 3.3 hrsMean: 9.9 hrs≥1hr: 86%
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
Why similar: Strategy 95.2%, Space 2.5%, Indie 1%, Sci-fi 0.9%, Multiplayer 0.4%
Why You'll Like It: A fast-paced space strategy game that focuses on rapid expansion and tactical decision-making.
- #28 Revenge of the Titans
79% matchVery Positive82% of 1,251 reviews2011
Dev: Puppygames
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 82%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Strategy 47.8%, Tower Defense 22.1%, RTS 10%, Sci-fi 8.9%, Difficult 5.8%
Why You'll Like It: A tower defense game with deep strategic research and resource management elements.
- #29 ENDLESS Space™ 2
76% matchVery Positive83% of 22,955 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 26.0 hrs≥1hr: 87%
ENDLESS Space™ 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS Universe™. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Why similar: Strategy 87.9%, Space 4.5%, 4X 3.7% ★, Grand Strategy 1.2% ★, Sci-fi 1.2%
- #30 ENDLESS Space™ - Definitive Edition
77% matchVery Positive81% of 9,592 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.6 hrsMean: 13.5 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: Strategy 40.9%, 4X 28.2% ★, Space 16.4%, Sci-fi 5.8%, Grand Strategy 3.7% ★
- #31 Star Ruler
78% 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 30.9%, 4X 23.1% ★, Space 14.4%, RTS 14.2%, Grand Strategy 8.6% ★
- #32 SPACECOM
77% matchMixed68% of 532 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: RTS 27%, Strategy 22%, 4X 21.2% ★, Space 10.3%, Tactical 5.9%
- #33 Supreme Commander 2
74% matchVery Positive88% of 12,900 reviews2010
Dev: Gas Powered GamesPub: Square Enix
Windows
Median: 7.6 hrsMean: 31.2 hrs≥1hr: 76%
Includes 47 Steam achievements, leaderboards, and stats!
Why similar: Strategy 37.9%, RTS 33.3%, Grand Strategy 10.5% ★, Sci-fi 6.2%, Co-op 5.1%
- #34 Creeper World 3: Arc Eternal
73% matchOverwhelmingly Positive96% of 4,809 reviews2014
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 7.4 hrsMean: 79.6 hrs≥1hr: 78%
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Why similar: Strategy 38%, RTS 21.7%, Tower Defense 21.4%, Real-Time with Pause 7.6% ★, Sci-fi 6.1%
- #35 Starship Troopers: Terran Command
70% matchVery Positive87% of 11,905 reviews2022
Dev: The ArtistocratsPub: Slitherine Ltd.
Windows
Median: 3.4 hrsMean: 10.2 hrs≥1hr: 83%
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
Why similar: Strategy 43%, RTS 37.7%, Tactical 7.1%, Sci-fi 6.2%, Great Soundtrack 2.7%
- #36 Eufloria HD
74% matchVery Positive88% of 873 reviews2014
Dev: Rudolf Kremers & Alex MayPub: Omni Systems
Windows · Mac · Linux
Median: 1.1 hrsMean: 6.8 hrs≥1hr: 51%
Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.
Why similar: Strategy 69.9%, RTS 17.8%, Great Soundtrack 6.9%, Indie 4.9%, Singleplayer 0.6%
- #37 Galaxy Reavers
75% matchMixed69% of 205 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: Strategy 42.2%, RTS 26.6%, Space 22.3%, Sci-fi 6.8%, Indie 2.1%
- #38 Tempest Rising
66% matchVery Positive88% of 11,543 reviews2025
Dev: Slipgate Ironworks™Pub: 3D Realms
Windows
Median: 3.8 hrsMean: 9.7 hrs≥1hr: 84%
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
Why similar: RTS 51.9%, Strategy 43.7%, Great Soundtrack 2.1%, Multiplayer 1.7%, Singleplayer 0.5%
- #39 StarDrive
76% matchMixed45% of 1,487 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: Strategy 30.6%, 4X 30.2% ★, RTS 15.9%, Space 15.9%, Sci-fi 5.2%
- #40 BATTLETECH
71% matchVery Positive84% of 32,958 reviews2018
Dev: Harebrained SchemesPub: Paradox Interactive
Windows · Mac · Linux
Median: 4.6 hrsMean: 43.8 hrs≥1hr: 89%
Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.
Why similar: Strategy 54.3%, Sci-fi 12.7%, Space 12.6%, Tactical 10.4%, Great Soundtrack 4%
- #41 Ancient Space
75% matchMixed44% of 368 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 40.7%, RTS 28.5%, Space 23.4%, Sci-fi 6.5%, Singleplayer 0.6%
- #42 Ashes of the Singularity: Escalation
72% matchMostly Positive74% of 4,961 reviews2016
Dev: Stardock Entertainment
Windows
Median: 3.2 hrsMean: 7.2 hrs≥1hr: 89%
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
Why similar: RTS 41.6%, Strategy 33.1%, Sci-fi 9.8%, Co-op 9.7%, Multiplayer 3.1%
- #43 Astra Exodus
73% matchMixed45% of 53 reviews2020
Dev: Atomic KaiserPub: Slitherine Ltd.
Windows
Astra Exodus is a single player turn based Sci-fi 4X strategy game inspired by the classics, with a multiple choice narrative driven epic campaign, top down real time tactical battles and an extensive semi-randomized research grid.
Why similar: Strategy 60.1%, 4X 14.6% ★, Grand Strategy 9.3% ★, Indie 5.6%, Great Soundtrack 4.1%
- #44 Defense Grid: The Awakening
72% matchOverwhelmingly Positive96% of 5,349 reviews2008
Dev: Hidden Path Entertainment
Windows
Median: 4.6 hrsMean: 15.0 hrs≥1hr: 91%
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Why similar: Strategy 50.1%, Tower Defense 32.5%, Sci-fi 11.7%, Indie 3%, Addictive 1.6% ★
- #45 Grey Goo
73% matchMixed68% of 4,322 reviews2015
Dev: PetroglyphPub: Six Foot
Windows
Median: 5.2 hrsMean: 8.8 hrs≥1hr: 90%
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
Why similar: RTS 39.7%, Strategy 36.8%, Sci-fi 8.9%, Great Soundtrack 7.6%, Space 3.3%
- #46 Void War
63% matchVery Positive94% of 3,803 reviews2025
Dev: Tundra
Windows
Median: 7.7 hrsMean: 14.8 hrs≥1hr: 83%
Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.
Why similar: Strategy 30.4%, Space 26.2%, Real-Time with Pause 12.6% ★, Difficult 12.3%, Sci-fi 8.9%
- #47 Crying Suns
69% matchVery Positive86% of 4,513 reviews2019
Dev: Alt Shift
Windows · Mac
Median: 4.3 hrsMean: 7.5 hrs≥1hr: 93%
Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire... and yourself as well.
Why similar: Strategy 29.2%, RTS 20.9%, Space 19.4%, Real-Time with Pause 10.5% ★, Sci-fi 8.2%
- #48 Sins of a Solar Empire: Trinity®
71% matchMostly Positive77% of 814 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 27.3% ★, RTS 23.3%, Strategy 21%, Space 14.6%, Tactical 7%
- #49 The Red Solstice
70% matchMostly Positive71% of 2,559 reviews2015
Dev: Ironward
Windows
Median: 3.2 hrsMean: 9.7 hrs≥1hr: 88%
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Why similar: RTS 27.1%, Strategy 25.1%, Co-op 10.2%, Real-Time with Pause 9.3% ★, Tactical 8.7%
- #50 Gratuitous Space Battles
71% matchMostly Positive70% of 885 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: Strategy 35.5%, Space 20.8%, RTS 14.4%, Sci-fi 9.4%, Difficult 5%
- #51 Atom Zombie Smasher
70% matchVery Positive90% of 2,098 reviews2011
Dev: Blendo Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 4.0 hrs≥1hr: 52%
The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.
Why similar: RTS 31.8%, Strategy 28.1%, Co-op 10.5%, Tower Defense 10.5%, Tactical 8.7%
- #52 Creeper World 4
66% matchVery Positive95% of 4,683 reviews2020
Dev: Knuckle Cracker
Windows
Median: 12.4 hrsMean: 30.1 hrs≥1hr: 88%
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
Why similar: RTS 23.7%, Strategy 20.4%, Grand Strategy 18.1% ★, Space 15.3%, Tower Defense 7.9%
- #53 Distant Worlds 2
66% matchMostly Positive71% of 3,527 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.6 hrsMean: 41.2 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: Strategy 30%, 4X 27.1% ★, Grand Strategy 18.6% ★, Space 13.1%, Sci-fi 6.3%
- #54 Battle for Orion 2
69% matchVery Positive80% of 76 reviews2017
Dev: Infinite Loop Games
Windows · Mac · Linux
Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind. Probes detected a habitable planet in the Orion sector. You must fight your way to it, but nothing is as it seems. A more devious plan is underway that threatens the entire galaxy.
Why similar: Strategy 91.8%, Indie 8.2%
- #55 Dust Fleet
64% matchMostly Positive76% of 222 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 28.2% ★, Strategy 26%, Space 17.3%, RTS 9%, Sci-fi 8.3%
- #56 StarDrive 2
69% matchMixed55% of 2,101 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: Strategy 45.6%, 4X 25.9% ★, Space 17.6%, Sci-fi 8%, Indie 2.6%
- #57 Creeper World IXE
62% matchMixed70% of 874 reviews2024
Dev: Knuckle Cracker
Windows
Median: 13.7 hrsMean: 14.8 hrs≥1hr: 86%
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: RTS 27.6%, Strategy 19.5%, Grand Strategy 18.2% ★, Space 16.2%, Tower Defense 8.1%
- #58 Aeon Command
67% matchMostly Positive79% of 418 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 70.9%, Space 16.9%, Sci-fi 7.3%, Indie 4.9%