- #1 Space Reign
96% matchMostly Positive74% of 462 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Space Sim 27.7%, Real Time Tactics 21.1%, Space 15.3%, Sci-fi 9.2%, Tactical 7.8%
- #2 Nomad Fleet
97% matchMixed66% of 214 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: Real-Time 38% ★, Space 21.9%, Strategy 16%, Sci-fi 12.1%, RTS 7.7%
- #3 Distant Worlds 2
96% matchMostly Positive71% of 3,566 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.5 hrsMean: 41.5 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 48.2% ★, Space 16.5%, Strategy 12.2%, Sci-fi 11.2%, Simulation 8.4%
- #4 Ancient Space
95% matchMixed44% of 374 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 38.3%, Strategy 21.5%, RTS 15%, Sci-fi 14.9%, Space Sim 8.8%
- #5 Executive Assault 2
94% matchVery Positive83% of 1,767 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.7 hrsMean: 8.1 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: Real-Time 30% ★, Space Sim 22.8%, Space 11.7%, Real Time Tactics 9.8%, RTS 7.9%
- #6 Sins of a Solar Empire II
93% matchVery Positive84% of 8,792 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 32.8 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 30.4% ★, Space 17.4%, Real-Time 17.2% ★, Tactical 8.4%, Sci-fi 7.4%
- #7 Gemini Wars
94% 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 23.6% ★, Real-Time 22.4% ★, Space Sim 13.6%, Space 9.1%, Wargame 6.3%
- #8 BattleGroupVR
92% matchVery Positive92% of 950 reviews2023
Dev: SpaceOwl Games
Windows · Linux
Median: 1.6 hrsMean: 4.3 hrs≥1hr: 60%
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
Why similar: Space Sim 21.4%, Real-Time 20.2% ★, Real Time Tactics 14.6%, Space 12.8%, Tactical 8.9%
- #9 Sins of a Solar Empire: Trinity®
91% matchMostly Positive78% of 818 reviews2011
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 2.0 hrsMean: 30.7 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: Real-Time 23.3% ★, 4X 22.3% ★, Space Sim 14.2%, Space 8.5%, Tactical 7.3%
- #10 Star Ruler
90% matchVery Positive83% of 342 reviews2010
Dev: Blind Mind Studios
Windows
Median: 30 minMean: 6.2 hrs≥1hr: 41%
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Why similar: 4X 47.2% ★, Space 20.9%, Strategy 14.4%, Sci-fi 7.7%, RTS 6.6%
- #11 Stars in Shadow
89% matchMostly Positive79% of 838 reviews2017
Dev: Ashdar GamesPub: Iceberg Interactive
Windows
Median: 2.4 hrsMean: 14.4 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 57.9% ★, Space 15.8%, Strategy 11.5%, Sci-fi 8.4%, Turn-Based Combat 3.5%
- #12 StarDrive
89% matchMixed45% of 1,489 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 51.3% ★, Space 19.2%, Strategy 11.9%, Sci-fi 8.8%, RTS 6.2%
- #13 Sid Meier's Starships
88% matchMixed50% of 2,476 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 33.8%, 4X 19.9% ★, Strategy 16.7%, Sci-fi 16.1%, Tactical 12.8%
- #14 Starport Delta
87% 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: Space Sim 21.2%, Real-Time 17.4% ★, Strategy 14.8%, Space 12.8%, Simulation 11.2%
- #15 Interstellar Space: Genesis
86% matchVery Positive84% of 850 reviews2019
Dev: Praxis Games
Windows
Median: 1.7 hrsMean: 11.1 hrs≥1hr: 57%
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 48.3% ★, Space 18.7%, Sci-fi 12.7%, Strategy 9.3%, Military 4.4%
- #16 Void Destroyer
86% matchMixed59% of 352 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.6 hrs≥1hr: 30%
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
Why similar: Space 29.3%, Space Sim 18.1%, Strategy 16.4%, Sci-fi 13%, Simulation 12.1%
- #17 Particle Fleet: Emergence
84% matchVery Positive92% of 1,284 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.9 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: Space 30.4%, Strategy 24.2%, Simulation 14.4%, RTS 13.2%, Sci-fi 11.4%
- #18 SPACECOM
85% matchMixed68% of 533 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 32.7% ★, Real-Time 15.5% ★, Tactical 11.5%, Space 11.2%, RTS 9.5%
- #19 Star Ruler 2
83% 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 46.3% ★, Space 20.6%, Sci-fi 11.8%, Strategy 11.3%, RTS 8.1%
- #20 Star Command Galaxies
82% matchMixed42% of 517 reviews2024
Dev: Warballoon
Windows · Mac
Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.
Why similar: Space Sim 24%, Real Time Tactics 19.6%, Space 11.6%, Tactical 11%, Sci-fi 9.9%
- #21 NEBULOUS: Fleet Command
81% matchVery Positive81% of 4,440 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 4.9 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: Tactical 32%, Military 18.7%, RTS 18.2%, Strategy 17.1%, Simulation 12.7%
- #22 Distant Worlds: Universe
82% matchMostly Positive75% of 1,856 reviews2014
Dev: Code ForcePub: Slitherine Ltd.
Windows
Median: 3.0 hrsMean: 24.5 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 44.3% ★, Space 16.8%, Real-Time 15.4% ★, Strategy 8.4%, Sci-fi 7.9%
- #23 Starpoint Gemini Warlords
81% matchMostly Positive73% of 3,598 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.8 hrs≥1hr: 87%
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 30.3% ★, Space Sim 22.6%, Space 17.4%, Sci-fi 9.3%, Strategy 6.5%
- #24 Battlestar Galactica: Scattered Hopes
78% matchMostly Positive76% of 1,092 reviews2026
Dev: Alt ShiftPub: Dotemu
Windows
Median: 5.6 hrsMean: 11.0 hrs≥1hr: 82%
In Battlestar Galactica: Scattered Hopes, take command of a fleet escaping the annihilation of the Twelve Colonies. Manage crises on board as you prepare for the next encounter with the Cylon Fleet. Times are dire, and hard choices must be made. Your only hope: rejoin the Battlestar Galactica.
Why similar: Space Sim 23.4%, Real Time Tactics 17%, Space 14.1%, Tactical 14%, Strategy 9.2%
- #25 Lords of the Black Sun
84% matchMostly Negative20% of 396 reviews2014
Dev: Arkavi StudiosPub: Iceberg Interactive
Windows
Median: 3.7 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 53.5% ★, Space 21.7%, Strategy 15.2%, Sci-fi 6.8%, Indie 2.8%
- #26 Homeworld 3
80% matchMixed41% of 8,761 reviews2024
Dev: Blackbird InteractivePub: Gearbox Publishing
Windows
Median: 4.7 hrsMean: 65.8 hrs≥1hr: 73%
Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.
Why similar: Real-Time 30.6% ★, Space 20.9%, Tactical 11.9%, Sci-fi 11%, RTS 10%
- #27 Dune: Spice Wars
78% matchMostly Positive79% of 13,585 reviews2023
Dev: Shiro GamesPub: Funcom
Windows
Median: 6.8 hrsMean: 16.6 hrs≥1hr: 85%
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Why similar: 4X 32.3% ★, Real Time Tactics 18%, Sci-fi 11.8%, Tactical 11.1%, RTS 6.7%
- #28 Sins of a Solar Empire®: Rebellion
79% matchVery Positive93% of 16,354 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: 4X 29.9% ★, Space Sim 20.3%, Space 12.5%, Sci-fi 8.2%, RTS 6.1%
- #29 Deep Dark Forest
77% matchVery Positive87% of 53 reviews2025
Dev: pixiangames
Windows
You will have to lead the civilization, develop the economy, enhance the technology, stabilize the people and colonize new galaxies; when encountering unknown civilizations, will you hide yourself or communicate with them in a friendly way? In this "dark forest", every decision will be crucial.
Why similar: Space Sim 23.4%, Real Time Tactics 19.2%, Space 10.8%, Wargame 9.1%, RTS 7.3%
- #30 Stellar Warfare
77% matchVery Positive82% of 434 reviews2021
Dev: Tense Games
Windows
Median: 42 minMean: 2.8 hrs≥1hr: 45%
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Why similar: Real Time Tactics 21.2%, Space 16.5%, Tactical 11.4%, Sci-fi 10.2%, Wargame 8.6%
- #31 Starminer
74% matchMostly Positive73% of 1,894 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.0 hrsMean: 26.4 hrs≥1hr: 82%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space Sim 40.2%, Space 23.3%, Sci-fi 15.5%, RTS 9.4%, Base Building 7.5%
- #32 X4: Foundations
75% matchMostly Positive80% of 30,300 reviews2018
Dev: Egosoft
Windows · Linux
Median: 4.9 hrsMean: 95.4 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: 4X 35.2% ★, Space Sim 24.5%, Space 16.7%, Sci-fi 9.7%, Strategy 6.3%
- #33 Shallow Space
79% 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 30.1%, 4X 22.5% ★, Strategy 17%, RTS 10.6%, Simulation 10.3%
- #34 AI War: Fleet Command
76% matchVery Positive82% of 1,612 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 28.6% ★, Strategy 25.6%, Space 17.4%, RTS 9.1%, Sci-fi 8.3%
- #35 Rogue Station
75% matchMostly Positive77% of 231 reviews2023
Dev: Quint Studio
Windows
This "space station builder simulation roguelite" puts you in charge of a space station. Fight off enemy ships, fleets and rival stations to dominate your corner of space. Build and upgrade your station, hire and manage your crew. Survive as long as you can.
Why similar: Real Time Tactics 28.9%, Space 25.5%, Strategy 11.4%, Base Building 10.7%, Tactical 7.5%
- #36 Pixel Starships
73% matchMostly Positive73% of 3,020 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.2 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: 4X 30.4% ★, Space Sim 25.1%, Space 15%, Sci-fi 10.2%, Wargame 7.1%
- #37 Solar Wave
71% matchMostly Positive75% of 84 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 40.5% ★, Space 18.1%, Sci-fi 10.7%, Wargame 9.4%, Strategy 8.2%
- #38 Terra Invicta
69% matchVery Positive80% of 9,948 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.2 hrsMean: 53.5 hrs≥1hr: 79%
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 45% ★, Space 15.9%, Tactical 15.3%, Strategy 8.6%, Military 8.3%
- #39 Cosmoteer: Starship Architect & Commander
70% matchVery Positive94% of 12,916 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 41.3 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 34.5%, Space 23.9%, Sci-fi 21.5%, Strategy 9.6%, Simulation 6.3%
- #40 Battlevoid: Harbinger
73% matchMostly Positive79% of 1,061 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.9 hrsMean: 11.1 hrs≥1hr: 57%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 49.4%, Strategy 22.1%, Simulation 12.8%, Sci-fi 11.2%, Indie 3.9%
- #41 Mechs & Mercs: Black Talons
76% matchMixed43% of 166 reviews2015
Dev: Camel 101
Windows
Median: 3.6 hrsMean: 4.7 hrs≥1hr: 93%
You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.
Why similar: Real-Time 31.7% ★, Real Time Tactics 17.1%, Space 9.6%, Wargame 8.6%, Tactical 8.1%
- #42 Void War
69% matchVery Positive94% of 4,044 reviews2025
Dev: Tundra
Windows
Median: 7.7 hrsMean: 16.3 hrs≥1hr: 84%
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: Space 40%, Sci-fi 19.1%, Tactical 18.3%, Strategy 14.9%, Simulation 7.1%
- #43 Distant Star: Revenant Fleet
74% matchMixed66% of 298 reviews2015
Dev: Blazing Griffin
Windows · Mac · Linux
Median: 5.8 hrsMean: 7.2 hrs≥1hr: 89%
BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX
Why similar: Space 25.4%, Sci-fi 16.4%, Real-Time 15.3% ★, Strategy 12.5%, Real Time Tactics 9.3%
- #44 Eternal Starlight VR
72% matchVery Positive91% of 76 reviews2021
Dev: White Noise Games
Windows
Activate your Neural Link to gain an omniscient view of the battlefield. Experience the conflict at any scale, as you plot the course that will lead your fleet to victory. Eternal Starlight is a tactical space combat game, built from the ground up for VR.
Why similar: Space Sim 21.3%, Real Time Tactics 16.8%, Space 15.7%, Tactical 13.2%, RTS 8.5%
- #45 Space Menace
72% matchMixed62% of 284 reviews2022
Dev: Only4Gamers
Windows · Mac
Space Menace is a sci-fi space RTS and battle game. You play as a space captain, seeking fortune and glory as you see fit. Leave your mark on the world and determine the fate of the galaxy with your decisions.
Why similar: Space 19.8%, Real Time Tactics 19.7%, Tactical 16.1%, Sci-fi 12.3%, RTS 9.4%
- #46 Crying Suns
70% matchVery Positive86% of 4,555 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: Space 23.6%, Real Time Tactics 22.4%, Tactical 16.9%, Sci-fi 14%, Strategy 11.3%
- #47 Xenopurge
68% matchVery Positive86% of 467 reviews2025
Dev: TrapticsPub: Firesquid
Windows
Median: 1.4 hrsMean: 2.8 hrs≥1hr: 59%
Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat. Operate from a remote command center, issuing indirect orders via multi-screen interfaces. Plan routes, set priorities, and adapt as missions escalate and feel the true weight of being in command.
Why similar: Real Time Tactics 35%, Space 22.7%, Tactical 14.2%, RTS 10.6%, Strategy 10.4%
- #48 Dawn of Andromeda
73% matchMixed43% of 244 reviews2017
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.0 hrsMean: 11.6 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 52.5% ★, Space 19%, Strategy 15.5%, Sci-fi 9.9%, Indie 3.1%
- #49 Battlevoid: Sector Siege
71% matchMixed59% of 200 reviews2017
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.
Why similar: Real-Time 24.7% ★, Space 18.9%, Real Time Tactics 12.2%, Strategy 11.2%, Tactical 8.8%
- #50 Annihilate The Spance
67% matchVery Positive90% of 366 reviews2025
Dev: Skyglow Softworks
Windows
An RTS base builder with huge battles, constant production, and autonomous ships. The Spance approaches, a vast and mysterious storm at the edge of humanity. Who shall claim its riches? Brave the perils of the depths in a story-rich singleplayer campaign with numerous distinct factions and bosses.
Why similar: Space 28%, RTS 13.3%, Sci-fi 13%, Base Building 12%, Strategy 9.8%
- #51 Outworld Station
66% matchVery Positive85% of 859 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 3.5 hrsMean: 10.5 hrs≥1hr: 69%
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
Why similar: Space 32.2%, Sci-fi 14.1%, Base Building 13.1%, RTS 11.6%, Strategy 10.7%
- #52 Star Traders: 4X Empires
71% 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 49.5% ★, Space 15.6%, Sci-fi 13.2%, Military 6.4%, Strategy 6%
- #53 Phantom Signal — Sci-Fi Strategy Game
69% matchVery Positive85% of 156 reviews2018
Dev: Veslo Games
Windows · Mac · Linux
Median: 4.6 hrsMean: 5.9 hrs≥1hr: 94%
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
Why similar: Space 25.7%, Strategy 21%, Space Sim 20.6%, Sci-fi 15.2%, Simulation 9.3%
- #54 Armada 2526 Gold Edition
70% matchMixed66% of 110 reviews2013
Dev: Ntronium GamesPub: Iceberg Interactive
Windows
Median: 24 minMean: 14.1 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 51.4% ★, Strategy 23.9%, Space 19%, Indie 5.7%
- #55 Deadlock Station
65% matchVery Positive81% of 62 reviews2026
Dev: Luxorix Games
Windows
Turn the battlefield into your ally in this tactical rogue-like with indirect controls. Assemble a unique squad, destroy the alien invaders with precise planning, and uncover the truth about the Event and the mysterious disappearance of humans.
Why similar: Real Time Tactics 42.4%, Tactical 25%, Sci-fi 19.2%, Strategy 12.4%, Singleplayer 0.9%
- #56 Exogate Initiative
66% matchMostly Positive75% of 737 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 33.3% ★, Space 12.9%, Tactical 12.8%, Sci-fi 9.8%, Strategy 7.5%
- #57 Starship Troopers: Terran Command
65% matchVery Positive87% of 12,051 reviews2022
Dev: The ArtistocratsPub: Slitherine Ltd.
Windows
Median: 3.3 hrsMean: 10.3 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: Real-Time 30.1% ★, Strategy 14.5%, Tactical 13.5%, RTS 12.7%, Sci-fi 9.1%
- #58 Space Haven
62% matchVery Positive86% of 11,153 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 21.0 hrs≥1hr: 71%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 32.7%, Space 22.9%, Sci-fi 13.9%, Strategy 10.2%, Base Building 9.9%
- #59 HighFleet
65% matchVery Positive88% of 7,447 reviews2021
Dev: Konstantin KoshutinPub: MicroProse Software
Windows
Median: 4.9 hrsMean: 16.7 hrs≥1hr: 77%
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
Why similar: Tactical 30.9%, Sci-fi 19.2%, Strategy 16.5%, Military 16.1%, Simulation 10.7%