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Games Like Space Reign

60+ similar titles based on shared tags and player behavior. Themes include Strategy, Space, Sci-fi, Singleplayer.

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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.

Reviews: Mostly Positive — 76% — of 377 reviews
Released: 2026-03-10
Developer: Propulsive Games
Genres: Action, Indie, Simulation, Strategy
Platforms: Windows

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  1. #1 Executive Assault 2
    96% matchVery Positive83% of 1,726 reviews2023
    Dev: Hesketh Studios Ltd
    Windows · Mac
    Median: 4.0 hrsMean: 8.4 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: Space Sim 28%, RTS 16.8%, Action RTS 12.3%, Space 11.2%, Real Time Tactics 9.6%

  2. #2 Void Destroyer
    97% matchMixed60% of 351 reviews2015
    Dev: Iteration 11
    Windows
    Median: 18 minMean: 3.0 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 27.8%, Space Sim 22.2%, RTS 17.3%, Strategy 11.9%, Sci-fi 11.1%

  3. #3 Nexus - The Jupiter Incident
    96% 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: Space 31.2%, RTS 19.1%, Sci-fi 14.5%, Real Time Tactics 12.2%, Strategy 11.4%

  4. #4 Dust Fleet
    95% 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 27.4%, Real Time Tactics 21.1%, Space 15.2%, Sci-fi 9.2%, Tactical 8%

  5. #5 Sins of a Solar Empire II
    94% matchVery Positive84% of 8,167 reviews2024
    Dev: Ironclad Games CorporationPub: Stardock Entertainment
    Windows
    Median: 9.5 hrsMean: 28.7 hrs≥1hr: 85%

    Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.

    Why similar: Space 33.3%, RTS 27.7%, Sci-fi 13.1%, Tactical 11.1%, Strategy 10.4%

  6. #6 Starpoint Gemini Warlords
    94% 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 43.5%, Space 26.1%, Sci-fi 12.5%, Strategy 7.5%, Third Person 6.4%

  7. #7 BattleGroupVR
    92% matchVery Positive92% of 943 reviews2023
    Dev: SpaceOwl Games
    Windows · Linux
    Median: 1.7 hrsMean: 4.4 hrs≥1hr: 62%

    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 28.3%, Real Time Tactics 15.1%, Space 13%, RTS 12.9%, Sci-fi 7.1%

  8. #8 Battlevoid: Sector Siege
    93% matchMixed58% of 194 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: Space 25%, RTS 18.8%, Real Time Tactics 16.4%, Strategy 11.5%, Sci-fi 8%

  9. #9 Between the Stars
    91% matchMostly Positive74% of 2,427 reviews2024
    Dev: Isolated Games
    Windows
    Median: 54 minMean: 8.9 hrs≥1hr: 49%

    Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

    Why similar: Space Sim 40.8%, Space 29.6%, Sci-fi 10%, Strategy 7.4%, Action 5.3%

  10. #10 Ancient Space
    91% matchMixed44% of 365 reviews2014
    Dev: CreativeForge GamesPub: Paradox Interactive
    Windows · Mac
    Median: 4.4 hrsMean: 5.1 hrs≥1hr: 89%

    Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

    Why similar: Space 32%, RTS 28.1%, Strategy 13.8%, Sci-fi 11.2%, Space Sim 9.5%

  11. #11 Battlevoid: Harbinger
    90% matchMostly Positive79% of 1,057 reviews2016
    Dev: Bugbyte Ltd.
    Windows · Mac · Linux
    Median: 1.8 hrsMean: 11.0 hrs≥1hr: 56%

    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 56%, Strategy 19.3%, Sci-fi 11.4%, Action 6.9%, Indie 5.3%

  12. #12 NEBULOUS: Fleet Command
    89% matchVery Positive81% of 3,819 reviews2022
    Dev: Eridanus IndustriesPub: Hooded Horse
    Windows
    Median: 4.9 hrsMean: 30.4 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: RTS 35.9%, War 29.2%, Tactical 20.2%, Strategy 12.4%, Singleplayer 2.3%

  13. #13 Helium Rain
    89% matchMostly Positive79% of 324 reviews2018
    Dev: Deimos Games
    Windows · Linux
    Median: 3.3 hrsMean: 8.7 hrs≥1hr: 74%

    Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.

    Why similar: Space Sim 58%, Space 26.5%, Strategy 7.9%, Action 4%, Indie 3.5%

  14. #14 Star Command Galaxies
    88% matchMixed43% of 508 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 27.6%, Real Time Tactics 17.8%, RTS 16.4%, Space 10.4%, Sci-fi 8%

  15. #15 Particle Fleet: Emergence
    86% matchVery Positive92% of 1,261 reviews2016
    Dev: Knuckle Cracker
    Windows · Mac · Linux
    Median: 6.7 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: RTS 30.7%, Space 30.7%, Strategy 19.4%, Sci-fi 10.7%, Indie 7.7%

  16. #16 Celestial Command
    87% matchMixed63% of 687 reviews2014
    Dev: Romenics
    Windows · Mac · Linux
    Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%

    Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.

    Why similar: Space 38.6%, Space Sim 31.6%, Sci-fi 11.4%, Strategy 8.8%, Action 5.4%

  17. #17 ERA ONE
    83% matchVery Positive86% of 1,348 reviews2025
    Dev: Team Complex LTD
    Windows
    Median: 3.4 hrsMean: 14.0 hrs≥1hr: 67%

    Era One is an innovative space game that combines elements of real-time strategy, base building, space survival, and tactical battles. Players can create and customize their bases from scratch, construct various types of structures and warships, manage fleets, and engage in tactical space battles.

    Why similar: Action RTS 24%, Real Time Tactics 20.5%, RTS 14.8%, Space 13.4%, Vehicular Combat 10.9%

  18. #18 Eternal Starlight VR
    84% matchVery Positive91% of 75 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 20.5%, Action RTS 15.2%, RTS 14.2%, Real Time Tactics 12.7%, Space 11.7%

  19. #19 Star Ruler
    85% 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: Space 36.3%, RTS 25.7%, Strategy 19.3%, Sci-fi 12%, Indie 6.1%

  20. #20 StarDrive
    86% matchMixed45% of 1,482 reviews2013
    Dev: Zero Sum Games
    Windows
    Median: 2.3 hrsMean: 6.7 hrs≥1hr: 88%

    As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.

    Why similar: Space 35.9%, RTS 26%, Strategy 17.2%, Sci-fi 15%, Indie 5.4%

  21. #21 Terra Invicta
    79% 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: RTS 32.7%, War 30.2%, Tactical 21.3%, Strategy 13.5%, Singleplayer 2.3%

  22. #22 Carrier Command 2
    82% matchVery Positive82% of 3,658 reviews2021
    Dev: GeometaPub: MicroProse Software
    Windows · Mac
    Median: 9.1 hrsMean: 15.6 hrs≥1hr: 91%

    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: Real Time Tactics 28.6%, RTS 24.2%, War 17.8%, Strategy 8.4%, First-Person 6.2%

  23. #23 Reassembly
    82% matchVery Positive94% of 4,066 reviews2015
    Dev: Anisoptera GamesPub: Indie Voyage
    Windows · Mac · Linux
    Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%

    A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

    Why similar: Space 58.8%, Strategy 14.5%, Sci-fi 11.7%, Action 7.9%, Indie 5.4%

  24. #24 Galaxy Reavers
    84% matchMixed70% of 204 reviews2016
    Dev: Good Games
    Windows

    This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!

    Why similar: Space 35.4%, RTS 30.3%, Strategy 16.6%, Sci-fi 13.7%, Indie 4.1%

  25. #25 Deep Space Battle Simulator
    81% matchMostly Positive79% of 410 reviews2021
    Dev: yeswecamp
    Windows · Linux
    Median: 42 minMean: 3.8 hrs≥1hr: 38%

    Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!

    Why similar: Space Sim 37.2%, RTS 17.2%, Space 16.4%, Sci-fi 10.2%, Strategy 5.9%

  26. #26 HighFleet
    80% matchVery Positive88% of 7,155 reviews2021
    Dev: Konstantin KoshutinPub: MicroProse Software
    Windows
    Median: 5.1 hrsMean: 16.8 hrs≥1hr: 78%

    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 31.3%, Sci-fi 26.1%, Strategy 19.2%, Action 10.2%, Indie 8.9%

  27. #27 Space Rogue
    81% matchMixed64% of 451 reviews2016
    Dev: Red Beat
    Windows · Mac
    Median: 3.5 hrsMean: 4.7 hrs≥1hr: 92%

    Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.

    Why similar: Space 42%, Tactical 18.8%, Sci-fi 15%, Strategy 14%, Indie 5.5%

  28. #28 Sins of a Solar Empire: Trinity®
    78% 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 32.1%, RTS 17%, Space 14.8%, War 10%, Sci-fi 8.7%

  29. #29 SpaceBourne 2
    73% matchMostly Positive77% of 4,992 reviews2025
    Dev: Burak Dabak
    Windows
    Median: 2.4 hrsMean: 10.9 hrs≥1hr: 70%

    Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.

    Why similar: Space Sim 49.2%, Space 17.6%, War 9.7%, Third Person 8.4%, First-Person 6.6%

  30. #30 House of the Dying Sun
    76% matchVery Positive90% of 2,001 reviews2016
    Dev: Marauder Interactive, LLC
    Windows
    Median: 1.0 hrsMean: 2.6 hrs≥1hr: 50%

    House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.

    Why similar: Space Sim 50.2%, Space 24.1%, Sci-fi 7.6%, Action 6%, Indie 3.7%

  31. #31 X3: Reunion
    78% 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 Sim 43.7%, Space 34%, Sci-fi 11.5%, Strategy 7.9%, Action 1.9%

  32. #32 Sins of a Solar Empire®: Rebellion
    75% matchVery Positive93% of 16,246 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: Space Sim 38.7%, RTS 20.3%, Space 18.4%, Sci-fi 11%, Strategy 6.2%

  33. #33 Galactic Ruler
    76% matchMixed49% of 121 reviews2022
    Dev: BattleGoat Studios
    Windows
    Median: 3.4 hrsMean: 7.1 hrs≥1hr: 96%

    Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

    Why similar: Space Sim 30%, Real Time Tactics 27.9%, Space 15.5%, RTS 13%, Sci-fi 7.9%

  34. #34 WARSHIFT
    77% matchMostly Positive71% of 697 reviews2016
    Dev: Cyril Megem
    Windows
    Median: 2.5 hrsMean: 3.6 hrs≥1hr: 78%

    Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre. You can build base, manage troops, and then come down to keep your enemy at gunpoint in the dynamic battle and customize your main characters.

    Why similar: RTS 48.4%, Strategy 18.2%, Sci-fi 17.3%, Action 9.6%, Indie 6.6%

  35. #35 Nomad Fleet
    77% 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: Space 31%, RTS 24.3%, Strategy 17.5%, Sci-fi 15.5%, Indie 6.7%

  36. #36 Stellar Warfare
    75% matchVery Positive84% of 406 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: RTS 27.7%, Space 25.7%, Sci-fi 14.8%, Strategy 8.4%, Combat 7%

  37. #37 ΔV: Rings of Saturn
    72% matchVery Positive93% of 3,305 reviews2023
    Dev: Kodera Software
    Windows · Mac · Linux
    Median: 8.3 hrsMean: 11.6 hrs≥1hr: 85%

    A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.

    Why similar: Space Sim 35.2%, Space 21.1%, Vehicular Combat 17.7%, Sci-fi 11.7%, Realistic 6.5%

  38. #38 BattleGroupVR2
    71% matchVery Positive88% of 155 reviews2025
    Dev: SpaceOwl Games
    Windows

    BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of your flagship. Explore, mine, trade, hunt. Grow your fleet, upgrade your ships, train your captains, and battle the enemy from the captain's chair.

    Why similar: Space Sim 22.9%, Action RTS 21.9%, RTS 14.1%, War 9.6%, Vehicular Combat 9%

  39. #39 Catharage
    71% matchVery Positive82% of 51 reviews2025
    Dev: Björn MichalskiPub: Games Foundation GmbH
    Windows

    A space tactics extraction roguelite. Explore space, pick fights, collect loot, then escape. Upgrade and unlock new ships to strengthen your fleet and face tougher foes.

    Why similar: Space Sim 37.1%, Real Time Tactics 31.5%, Strategy 7.8%, Tactical 6.6%, Third Person 5.4%

  40. #40 Distant Worlds 2
    73% matchMostly Positive71% of 3,478 reviews2022
    Dev: CodeForcePub: Slitherine Ltd.
    Windows
    Median: 9.3 hrsMean: 42.6 hrs≥1hr: 75%

    Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

    Why similar: Space 39.2%, Sci-fi 24%, Strategy 22.2%, Combat 7%, 3D 5.9%

  41. #41 Star Ruler 2
    74% matchVery Positive82% of 719 reviews2015
    Dev: Blind Mind Studios
    Windows · Linux
    Median: 4.0 hrsMean: 8.9 hrs≥1hr: 93%

    Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.

    Why similar: Space 34.1%, RTS 30%, Sci-fi 17.6%, Strategy 14.4%, Indie 3.9%

  42. #42 Stars in Shadow
    74% matchMostly Positive79% of 816 reviews2017
    Dev: Ashdar GamesPub: Iceberg Interactive
    Windows
    Median: 2.5 hrsMean: 14.5 hrs≥1hr: 66%

    Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

    Why similar: Space 43.6%, Strategy 25.1%, Sci-fi 21.5%, Indie 9.8%

  43. #43 BlackChain
    72% matchVery Positive86% of 120 reviews2021
    Dev: Borington
    Windows

    A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.

    Why similar: Action RTS 25.1%, RTS 21.4%, Space 16.2%, War 11.6%, Sci-fi 10.8%

  44. #44 X4: Foundations
    70% matchMostly Positive80% of 27,985 reviews2018
    Dev: Egosoft
    Windows · Linux
    Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%

    Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.

    Why similar: Space Sim 49.1%, Space 21.5%, Sci-fi 9%, Strategy 5%, First-Person 4.8%

  45. #45 Astrox Imperium
    71% matchVery Positive85% of 1,210 reviews2019
    Dev: Jace Masula
    Windows
    Median: 4.2 hrsMean: 16.4 hrs≥1hr: 67%

    Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.

    Why similar: Space Sim 46.5%, Space 36.7%, Sci-fi 8%, Atmospheric 3.9%, Indie 3.5%

  46. #46 Cosmoteer: Starship Architect & Commander
    67% matchVery Positive95% of 12,431 reviews2022
    Dev: Walternate Realities
    Windows
    Median: 19.3 hrsMean: 40.4 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 42.1%, Space 22.5%, Sci-fi 18.4%, Strategy 7.1%, Atmospheric 4.5%

  47. #47 Ceres
    73% matchMixed52% of 156 reviews2015
    Dev: Jötunn GamesPub: Iceberg Interactive
    Windows · Mac · Linux
    Median: 8.6 hrsMean: 9.3 hrs≥1hr: 94%

    Take control of a squadron of ships in full 3D space combat. Explore, battle and trade your way through a pirate, machine and monster-infested solar system.

    Why similar: Space 42.1%, Sci-fi 19.4%, Strategy 19%, Action 12.3%, Indie 7.2%

  48. #48 Void War
    66% matchVery Positive94% of 3,537 reviews2025
    Dev: Tundra
    Windows
    Median: 7.7 hrsMean: 14.5 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: Space 48.6%, Sci-fi 21%, Tactical 15%, Strategy 14%, Singleplayer 1.5%

  49. #49 Industries of Titan
    69% matchMixed63% of 1,604 reviews2023
    Dev: Brace Yourself Games
    Windows
    Median: 5.4 hrsMean: 14.0 hrs≥1hr: 84%

    Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!

    Why similar: Space Sim 44.5%, Space 20.7%, Sci-fi 12.8%, Tactical 12.1%, Strategy 8.6%

  50. #50 Executive Assault
    70% matchVery Positive85% of 1,455 reviews2015
    Dev: Hesketh Studios Ltd
    Windows
    Median: 3.4 hrsMean: 7.1 hrs≥1hr: 78%

    Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.

    Why similar: RTS 43.1%, Strategy 15.2%, War 13.8%, Sci-fi 12.2%, Action 6.9%

  51. #51 Phantom Signal — Sci-Fi Strategy Game
    70% matchVery Positive85% of 155 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 Sim 27.2%, Space 26.3%, Strategy 16.6%, Sci-fi 14.1%, RTS 11.8%

  52. #52 Interstellar Space: Genesis
    68% matchVery Positive84% of 818 reviews2019
    Dev: Praxis Games
    Windows
    Median: 1.3 hrsMean: 11.7 hrs≥1hr: 54%

    Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!

    Why similar: Space 37.1%, Sci-fi 22.7%, War 17.7%, Strategy 14.2%, Indie 6.2%

  53. #53 Five Nations
    68% matchVery Positive83% of 265 reviews2021
    Dev: SilverForge
    Windows

    Five Nations is a real-time sci-fi strategy game for PC platform. Encompassing tactical combat in space in real-time mixed with micromanagement of economy, construction, and production featuring different kind of single player modes.

    Why similar: Action RTS 30.8%, RTS 25.9%, Space 15.8%, Sci-fi 11%, Strategy 9%

  54. #54 Drone Swarm
    68% matchMixed63% of 334 reviews2020
    Dev: stillalive studiosPub: astragon Entertainment
    Windows
    Median: 3.0 hrsMean: 4.5 hrs≥1hr: 90%

    Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

    Why similar: Real Time Tactics 32.6%, Sci-fi 15.2%, RTS 13.1%, Space 10.5%, Tactical 8.2%

  55. #55 Star Wolves
    69% 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: Space 62.3%, Strategy 23.7%, Sci-fi 14%

  56. #56 SpaceBourne
    67% matchMostly Positive77% of 805 reviews2020
    Dev: Burak Dabak
    Windows
    Median: 1.9 hrsMean: 9.7 hrs≥1hr: 58%

    Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.

    Why similar: Space Sim 52.1%, Space 41.6%, Indie 6.3%

  57. #57 Homeworld 3
    66% matchMixed41% of 8,530 reviews2024
    Dev: Blackbird InteractivePub: Gearbox Publishing
    Windows
    Median: 4.8 hrsMean: 58.0 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: RTS 28.4%, Space 26.6%, Sci-fi 12.7%, Tactical 10.4%, Strategy 8.1%

  58. #58 ReEarth
    65% matchMostly Positive76% of 117 reviews2024
    Dev: Jiangzuogongfang Shanghai Game Co.,Ltd
    Windows

    ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!

    Why similar: Real Time Tactics 22.8%, RTS 20.1%, Space Sim 16.8%, Space 14.3%, War 9.3%

  59. #59 Angels Fall First
    66% matchVery Positive82% of 2,786 reviews2015
    Dev: Strangely Interactive Ltd
    Windows
    Median: 1.6 hrsMean: 5.9 hrs≥1hr: 62%

    From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!

    Why similar: Space 38.6%, Sci-fi 25%, Action 10.7%, Tactical 10%, First-Person 7.8%

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