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Games Like Astro Lords

60+ similar titles based on shared tags and player behavior. Themes include Space, Massively Multiplayer, Sci-fi, Space Sim.

Astro Lords header art

Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.

Reviews: Mixed — 65% — of 227 reviews
Released: 2015-09-29
Developer: Aratog LLC
Publisher: Conglomerate 5
Genres: Indie, Massively Multiplayer, Strategy, Free To Play
Platforms: Windows, Mac, Linux
Median playtime: 48 min
Mean playtime: 5.8 hrs
Players ≥ 1 hr: 44%

Overview

Astro Lords is a unique blend of asteroid-based base management, real-time strategy, and massively multiplayer space combat. These recommendations focus on titles that capture that same sense of persistent space-faring strategy, sandbox building, and large-scale MMO interaction within a sci-fi setting.

Similar Games

View all 54 recommendations
  1. #1 EVE Online
    97% matchMostly Positive74% of 38,402 reviews2010
    Dev: CCP
    Windows · Mac
    Median: 3.0 hrsMean: 136.7 hrs≥1hr: 73%

    Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.

    Why similar: Space Sim 17.5%, Massively Multiplayer 14%, Space 11.6%, Economy 9.3%, Open World 8.3%

    Why You'll Like It: The definitive space MMO that offers deep economic, political, and combat systems similar to the scale of Astro Lords.

  2. #2 Hades' Star
    96% matchMostly Positive73% of 2,643 reviews2019
    Dev: Parallel Space Inc
    Windows · Mac
    Median: 1.6 hrsMean: 55.7 hrs≥1hr: 55%

    A unique space strategy game where thousands of players participate in one shared galaxy.

    Why similar: Space 30.9%, Massively Multiplayer 30.6%, Sci-fi 9%, Strategy 8.8%, PvP 5.7%

    Why You'll Like It: A persistent space strategy game that emphasizes long-term base management and tactical fleet coordination.

  3. #3 VEGA Conflict
    96% matchMixed58% of 4,985 reviews2015
    Dev: KIXEYE
    Windows · Mac
    Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%

    Stake your claim, command your fleets, and wage epic war in space.

    Why similar: Massively Multiplayer 26.2%, Space 20.3%, Sandbox 10.2%, Open World 9%, PvP 7.6%

    Why You'll Like It: A real-time strategy game set in space that emphasizes base building and fleet customization.

  4. #4 Star Hunter - Infinite Lagrange
    95% matchMixed57% of 1,011 reviews2021
    Dev: NetEase Games
    Windows
    Median: 2.4 hrsMean: 92.7 hrs≥1hr: 61%

    In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.

    Why similar: Massively Multiplayer 37.3%, Space 21.2%, Space Sim 19%, Strategy 11%, Simulation 6%

    Why You'll Like It: Features complex space fleet management and large-scale strategic warfare in a persistent galaxy.

  5. #5 Second Galaxy
    94% matchMixed52% of 1,200 reviews2019
    Dev: Zilong Game Limited
    Windows
    Median: 36 minMean: 9.4 hrs≥1hr: 38%

    Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.

    Why similar: Massively Multiplayer 38.7%, Space 23.3%, Open World 12%, RPG 9.4%, Sci-fi 8.7%

    Why You'll Like It: Combines space exploration, strategy, and RPG elements in a massive, player-driven universe.

  6. #6 Star Conflict
    94% matchMostly Positive73% of 15,084 reviews2013
    Dev: Star Gem Inc.Pub: Gaijin Network Ltd
    Windows · Mac · Linux
    Median: 2.0 hrsMean: 34.3 hrs≥1hr: 63%

    Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

    Why similar: Space Sim 24.2%, Massively Multiplayer 23.9%, Sandbox 13%, Open World 11.5%, Sci-fi 9.8%

    Why You'll Like It: Focuses on fast-paced, action-oriented space combat that mirrors the arena battles found in Astro Lords.

  7. #7 Elite Dangerous
    93% 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 27%, Space 17.6%, Massively Multiplayer 16.5%, Open World 10.9%, Sci-fi 7.9%

    Why You'll Like It: Provides an expansive open-world space simulation that captures the feeling of navigating a vast, dangerous galaxy.

  8. #8 StarMade
    92% matchMixed68% of 2,981 reviews2014
    Dev: Schine GmbH
    Windows · Mac · Linux
    Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%

    The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

    Why similar: Space 25.5%, Sandbox 18.1%, Open World 12.6%, Space Sim 10%, Sci-fi 8.4%

    Why You'll Like It: A sandbox space game that allows for intricate ship and base building, perfect for fans of the construction aspects of Astro Lords.

  9. #9 DarkOrbit Reloaded
    91% matchMostly Negative28% of 346 reviews2025
    Dev: Bigpoint GmbH
    Windows

    Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?

    Why similar: MMORPG 36.2%, Space Sim 25.1%, Massively Multiplayer 13%, RPG 10.3%, Space 9.6%

    Why You'll Like It: A classic browser-style space MMO that shares the same combat and progression feel as Astro Lords.

  10. #10 Starbase
    90% matchMixed56% of 6,702 reviews2021
    Dev: Frozenbyte
    Windows
    Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%

    Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.

    Why similar: Massively Multiplayer 23.4%, Space Sim 22.5%, Space 13.5%, Open World 11.6%, Sandbox 11.1%

    Why You'll Like It: Features highly detailed ship and station building within a persistent, massively multiplayer space environment.

  11. #11 Pixel Starships
    88% matchMostly Positive73% of 2,914 reviews2023
    Dev: SavySoda
    Windows · Mac · Linux
    Median: 2.3 hrsMean: 24.8 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: Space Sim 27.4%, Massively Multiplayer 24.6%, Space 18.4%, Sci-fi 11.8%, Multiplayer 6.5%

    Why You'll Like It: A strategy-heavy space game focused on managing the internal systems and crew of a spaceship.

  12. #12 Ascent - The Space Game
    89% matchMixed68% of 340 reviews2016
    Dev: Fluffy Kitten Studios
    Windows
    Median: 12 minMean: 18.1 hrs≥1hr: 38%

    Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.

    Why similar: Massively Multiplayer 42%, Space 30.4%, Sci-fi 10.4%, Strategy 9.1%, Simulation 8.1%

    Why You'll Like It: A space-based MMO that emphasizes economy, exploration, and long-term base development.

  13. #13 Star Sonata 2
    87% matchMixed68% of 289 reviews2020
    Dev: Landauer Games
    Windows
    Median: 2.1 hrsMean: 59.8 hrs≥1hr: 60%

    Star Sonata 2 is a space sandbox MMO that combines elements of action, RPG, and empire creation into a truly unique MMO. Explore the sandbox style universe, build persistent bases, construct trade ships, and even fight your way to the top and claim the Emperor’s Throne!

    Why similar: MMORPG 30.8%, Space Sim 19.1%, Space 16.6%, Sandbox 13.2%, PvP 7.8%

    Why You'll Like It: A space-based sandbox RPG that features base building and persistent galaxy control.

  14. #14 Infinity: Battlescape
    85% matchVery Positive80% of 751 reviews2019
    Dev: I-Novae Studios, LLC
    Windows
    Median: 2.9 hrsMean: 10.0 hrs≥1hr: 74%

    Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.

    Why similar: Massively Multiplayer 31.6%, Space Sim 22.2%, Space 22%, Sci-fi 7.8%, Simulation 6.3%

    Why You'll Like It: Features large-scale, seamless space combat that captures the intensity of massive fleet battles.

  15. #15 Nova Empire
    84% matchMixed53% of 283 reviews2022
    Dev: Gamebear Tech
    Windows
    Median: 1.9 hrsMean: 12.5 hrs≥1hr: 57%

    Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!

    Why similar: Space Sim 28.5%, Sci-fi 13.8%, PvP 13%, PvE 11.3%, Strategy 9%

    Why You'll Like It: A strategy-focused space game that emphasizes base expansion and alliance-based combat.

  16. #16 Avorion
    82% matchVery Positive90% of 14,288 reviews2020
    Dev: Boxelware
    Windows · Mac · Linux
    Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%

    A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.

    Why similar: Spaceships 25%, Space Sim 18.3%, Space 12%, Economy 10.6%, Sandbox 10.2%

    Why You'll Like It: A sandbox space game that allows for procedural ship building and exploration in a vast galaxy.

  17. #17 Space Engineers
    81% matchVery Positive89% of 133,238 reviews2019
    Dev: Keen Software House
    Windows
    Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%

    Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

    Why similar: Space Sim 22.6%, Space 15.6%, Sandbox 12.8%, Open World 10.9%, PvP 9.9%

    Why You'll Like It: A sandbox game focused on engineering and construction, perfect for players who enjoy the base-building mechanics of Astro Lords.

  18. #18 The Infinite Black 2
    82% matchVery Positive84% of 231 reviews2023
    Dev: SpellbookPub: www.Spellbook.com
    Windows

    Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!

    Why similar: MMORPG 23%, Space Sim 19.7%, Massively Multiplayer 14.8%, Space 12.7%, Open World 9.1%

    Why You'll Like It: A persistent space-sim MMO that focuses on exploration, combat, and player-driven progression.

  19. #19 Andromeda: Rebirth of Humanity
    83% matchMixed65% of 116 reviews2021
    Dev: Null Reference Games
    Windows · Linux

    Andromeda is a hybrid between a space 4X and an MMO for Android and PC. Get dropped into an online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players.

    Why similar: Space Sim 25.2%, Massively Multiplayer 16.7%, Capitalism 14%, Space 11.1%, Strategy 8.8%

    Why You'll Like It: A strategy-heavy colony simulation that captures the management and expansion themes of Astro Lords.

  20. #20 NEBULOUS: Fleet Command
    80% 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: Sandbox 24%, Open World 20.2%, Tactical 18.6%, Multiplayer 15.8%, Strategy 12.1%

    Why You'll Like It: A tactical space strategy game that focuses on realistic fleet combat and ship customization.

  21. #21 Interstellar Rift
    81% matchMixed68% of 1,655 reviews2020
    Dev: Split PolygonPub: Iceberg Interactive
    Windows
    Median: 4.2 hrsMean: 33.2 hrs≥1hr: 83%

    Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

    Why similar: Space Sim 29%, Space 15.9%, Sandbox 14.6%, Open World 13.4%, PvP 10.9%

    Why You'll Like It: A space simulation game that emphasizes ship construction and multi-crew management.

  22. #22 X4: Foundations
    79% 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 26%, Economy 17.4%, Space 16.4%, Sandbox 14.3%, Open World 8.3%

    Why You'll Like It: A deep space simulation that allows for empire building and complex fleet management.

  23. #23 Homeworld Remastered Collection
    79% 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 47.7%, Sci-fi 19.3%, Strategy 14%, Multiplayer 7.9%, Tactical 6.8%

    Why You'll Like It: A classic space strategy series that provides the foundation for many modern space fleet management games.

  24. #24 Sins of a Solar Empire®: Rebellion
    78% 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 28.8%, Space 19.8%, Sandbox 16.1%, Sci-fi 12.3%, Multiplayer 10.1%

    Why You'll Like It: A grand strategy game that blends 4X elements with real-time space combat.

  25. #25 Space Aces
    76% matchMixed63% of 350 reviews2026
    Dev: DewEnforcerPub: Space Aces
    Windows

    Space Aces is an indie space shooter that plunges you into an online universe full of action, strategy, and fierce competition. Step into the cockpit and evolve from a rookie pilot into the most feared Ace in the galaxy!

    Why similar: Massively Multiplayer 32.1%, MMORPG 31.9%, Space 14.1%, PvP 6.4%, PvE 6.3%

  26. #26 Subspace Discovery
    76% matchMostly Positive75% of 131 reviews2023
    Dev: FLICK Comp GmbH
    Windows

    Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.

    Why similar: MMORPG 26.4%, Massively Multiplayer 23.5%, Space 17.3%, Sci-fi 8.8%, PvE 8.2%

  27. #27 Galaxy Control: 3D Strategy
    78% matchMixed59% of 530 reviews2016
    Dev: FX Games Media
    Windows · Mac
    Median: 1.1 hrsMean: 25.0 hrs≥1hr: 51%

    Build your base and battle with other players to control the galaxy! Galaxy Control is an ultimate space combat strategy game with fast-paced combats! Gather minerals and extract uranium, defend your base with laser towers, missile turrets, cannons, walls and mines.

    Why similar: Massively Multiplayer 57.6%, Space 23.6%, Strategy 16.4%, Action 2.4%

  28. #28 Shattered Void
    75% matchMostly Positive71% of 90 reviews2024
    Dev: yyy1505yyy
    Windows · Linux

    Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.

    Why similar: Massively Multiplayer 25.5%, MMORPG 21.2%, Space 16.5%, PvP 10.4%, Sci-fi 7.6%

  29. #29 Exocraft
    77% matchMixed52% of 361 reviews2019
    Dev: GoldFire Studios
    Windows · Mac

    Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.

    Why similar: Spaceships 30.7%, Massively Multiplayer 16.9%, MMORPG 16.6%, Space Sim 12.6%, Space 9.1%

  30. #30 Entropia Universe
    73% matchMixed62% of 403 reviews2025
    Dev: MindArk
    Windows

    Entropia Universe is a unique massively multiplayer online game (MMO) where virtual assets hold real-world value and players can participate in a thriving virtual sandbox economy.

    Why similar: MMORPG 29.7%, Space 13.1%, Sandbox 12.4%, Open World 9.9%, PvP 9.4%

  31. #31 Astro Lords: Oort Cloud
    77% matchMixed54% of 69 reviews2016
    Dev: Aratog LLCPub: BISBOG SA
    Windows

    Astro Lords: Oort Cloud is a free-to-play, science-fiction MMORTS combining construction management with click-and-drag Artillery style combat and strategy elements such as exploration, raiding and espionage.

  32. #32 Albion Online
    73% matchMostly Positive79% of 90,120 reviews2018
    Dev: Sandbox Interactive GmbH
    Windows · Mac · Linux
    Median: 3.5 hrsMean: 81.4 hrs≥1hr: 73%

    Albion Online is a fantasy sandbox MMORPG featuring a player-driven economy, classless combat system, and intense PvP battles. Explore a vast open world full of danger and opportunity. Grow your wealth, forge alliances, and leave your mark on the world of Albion.

    Why similar: MMORPG 34.7%, Massively Multiplayer 20.1%, Open World 11.9%, Sandbox 8.8%, Economy 4.8%

  33. #33 Celestial Command
    75% 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 29.4%, Space Sim 16.6%, Sandbox 15.5%, Sci-fi 9.1%, Simulation 8.2%

  34. #34 Stars End
    73% matchMixed61% of 1,414 reviews2023
    Dev: Reverie World StudiosPub: indie.io
    Windows
    Median: 2.5 hrsMean: 10.3 hrs≥1hr: 81%

    Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.

    Why similar: Massively Multiplayer 22.7%, Space Sim 14.7%, Space 12.7%, Sandbox 8.6%, PvP 8%

  35. #35 UFO Online: Invasion
    74% matchMixed58% of 618 reviews2016
    Dev: Bad Pixel
    Windows
    Median: 1.3 hrsMean: 20.0 hrs≥1hr: 54%

    UFO Online: Invasion is a turn-based tactical combat MMORPG set in the post-apocalyptic world

    Why similar: Massively Multiplayer 49.5%, Open World 14.9%, RPG 12.4%, Strategy 10.5%, Multiplayer 9.3%

  36. #36 Project Entropy
    72% matchMixed52% of 220 reviews2024
    Dev: FunPlus International AG
    Windows

    Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.

    Why similar: Sci-fi 26.3%, PvP 21.1%, PvE 16.4%, Strategy 15.5%, Simulation 12.4%

  37. #37 Perpetuum
    72% matchMostly Positive72% of 805 reviews2014
    Dev: Avatar CreationsPub: Gamestorm Ltd
    Windows
    Median: 3.1 hrsMean: 21.6 hrs≥1hr: 81%

    Perpetuum is a persistent, sandbox, single server, massively multiplayer sci-fi rpg (MMORPG). Control huge robots and mechs to gain access to an alien planet's resources and knowledge, amass huge wealth, or even claim part of the world for yourself using terraforming and complex infrastructure.

    Why similar: Massively Multiplayer 32.8%, MMORPG 19%, Sandbox 12.6%, Open World 8.2%, Sci-fi 8%

  38. #38 Project Asteroids
    70% matchMixed56% of 128 reviews2024
    Dev: Aleksandr Serdiuk
    Windows

    In the vastness of space, you are a lone robot desperately trying to survive. Build, explore, and fight for your life as you face deadly threats in the asteroid belt. This hardcore game shows no mercy—dangers lurk at every step, ready to destroy you at any moment.

    Why similar: Massively Multiplayer 37.8%, Open World 18.7%, Multiplayer 13.3%, PvP 10.1%, Space 9.8%

  39. #39 Starblast
    70% matchVery Positive81% of 1,077 reviews2017
    Dev: Neuronality
    Windows · Mac
    Median: 2.3 hrsMean: 22.8 hrs≥1hr: 65%

    Fun, fast paced online multiplayer arcade space shooter. Take control of your spaceship, mine asteroids, increase your stats, upgrade to different types of spaceships with improved stats and weapons. Fight against other players and collect their gems.

    Why similar: Massively Multiplayer 52%, Space 33.9%, Difficult 7.7%, Action 6.5%

  40. #40 VoidExpanse
    71% matchMostly Positive71% of 760 reviews2015
    Dev: AtomicTorch Studio
    Windows · Mac · Linux
    Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%

    Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!

    Why similar: Space 31.1%, Open World 14.5%, Sandbox 14.1%, Sci-fi 11.8%, RPG 9.2%

  41. #41 Prosperous Universe
    69% matchMostly Positive74% of 1,030 reviews2022
    Dev: simulogics
    Windows

    In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.

    Why similar: MMORPG 18.9%, Massively Multiplayer 14.4%, Space Sim 12.6%, Economy 11.6%, Space 9.6%

  42. #42 Gangs of Space
    71% matchMostly Positive76% of 430 reviews2017
    Dev: Little Big MMO
    Windows · Mac · Linux
    Median: 1.1 hrsMean: 281.6 hrs≥1hr: 53%

    Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.

    Why similar: Massively Multiplayer 37.3%, MMORPG 33.5%, Space 15.6%, Sci-fi 6.1%, RPG 4.1%

  43. #43 The Infinite Black
    71% matchMixed66% of 212 reviews2016
    Dev: SpellbookPub: www.Spellbook.com
    Windows · Mac · Linux
    Median: 5.5 hrsMean: 83.9 hrs≥1hr: 73%

    Fleet up with thousands of players in The Infinite Black -- The wildly popular online space combat and adventure game! Command massive spaceships, form powerful corporations, and battle it out in never-ending intergalactic warfare!

    Why similar: Massively Multiplayer 51.7%, Space 22.7%, RPG 13.2%, Strategy 12.5%

  44. #44 Istrolid
    69% matchVery Positive87% of 2,684 reviews2016
    Dev: treeform
    Windows · Mac · Linux
    Median: 1.0 hrsMean: 10.8 hrs≥1hr: 50%

    In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.

    Why similar: Space 38%, Sandbox 17.1%, Strategy 16.4%, Multiplayer 15.9%, Sci-fi 12.6%

  45. #45 Starborne: Frontiers
    67% matchMixed68% of 285 reviews2024
    Dev: Solid Clouds hf.
    Windows

    Starborne: Frontiers is a free-to-play tactical autobattler with hundreds of unique ships. Form your fleet, customize it with a variety of equipment, and use strategy to create the perfect battlefield formation. Take on bounties, engage in the PvP arena, and bring order to the Frontier.

    Why similar: Space Sim 29.3%, Space 14.8%, PvP 14.1%, PvE 10.8%, Sci-fi 8.8%

  46. #46 Astroflux
    70% matchMostly Positive72% of 343 reviews2016
    Dev: Fula Fisken
    Windows · Mac
    Median: 3.1 hrsMean: 18.1 hrs≥1hr: 69%

    Play Astroflux - a retro styled, action packed MMO space shooter.

    Why similar: Massively Multiplayer 56.4%, Space 23.1%, RPG 13.6%, Action 6.9%

  47. #47 Starpoint Gemini Warlords
    68% 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: Spaceships 26.8%, Space Sim 17.9%, Space 15.5%, Open World 9.5%, Sandbox 8.8%

  48. #48 Aetherspace
    69% matchMixed63% of 84 reviews2017
    Dev: Munchkin's Lair
    Windows

    Aetherspace is a game about turn-based battles between outlaw gangs. In space. With starships.

    Why similar: Strategy 100%

  49. #49 Operation: New Earth
    68% matchMixed61% of 819 reviews2016
    Dev: Hunted Cow Games
    Windows · Mac
    Median: 2.4 hrsMean: 36.1 hrs≥1hr: 63%

    Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!

    Why similar: Massively Multiplayer 52.1%, Strategy 16.2%, Sci-fi 10.8%, Tactical 7.5%, Multiplayer 7.1%

  50. #50 Space Battle Royale
    65% matchVery Positive86% of 80 reviews2023
    Dev: MultiversalME
    Windows

    Welcome to cosmic chaos. This non-stop action arcade will test you to see if you are truly worthy of space travel. The full use of 3d space, five classes of weapons, and upgrades based on alien technology and alternative dimensions make for the most competitive and mind-expanding game out there.

    Why similar: Massively Multiplayer 35%, Space 22.9%, PvP 13.9%, Sci-fi 12.9%, Tactical 5.7%

  51. #51 Anarchy Online
    67% matchVery Positive83% of 281 reviews2017
    Dev: Funcom
    Windows

    Anarchy Online – the first ever science fiction MMO – is now on Steam! Compete and cooperate with thousands of players simultaneously on a vast, alien world. Join humanity nearly 30,000 years in the future in a world of perpetual conflict and scientific marvel.

    Why similar: Massively Multiplayer 32.5%, MMORPG 31.1%, Sci-fi 11.6%, RPG 8%, Open World 7.7%

  52. #52 Codename: Rogue Fleet
    68% matchMixed59% of 318 reviews2016
    Dev: SionoiS
    Windows
    Median: 36 minMean: 9.0 hrs≥1hr: 39%

    Codename: Rogue Fleet is a multiplayer team-based game about spaceships combat.

    Why similar: Space 49.4%, Multiplayer 22.6%, Open World 17.4%, Action 10.6%

  53. #53 Iron Armada
    65% matchMostly Positive77% of 177 reviews2024
    Dev: Bluedrake42Pub: Drakeling Labs
    Windows
    Median: 1.8 hrsMean: 816.3 hrs≥1hr: 54%

    Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space and defeat the opposing player faction. Build ships of all shapes and sizes, mine resources, and scavenge parts with friends to conquer the universe!

    Why similar: Strategy 46.5%, Action 23.9%, Space 22.6%, Multiplayer 6.9%

  54. #54 Destination Sol
    67% matchMostly Positive79% of 1,362 reviews2015
    Dev: MovingBlocks
    Windows · Mac · Linux
    Median: 30 minMean: 3.8 hrs≥1hr: 30%

    Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!

    Why similar: Space 39.2%, Open World 22.3%, RPG 16.6%, Action 7.2%, Difficult 6.8%

Based on tag similarity + player behavior
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