- #1 Second Galaxy
97% matchMixed52% of 1,202 reviews2019
Dev: Zilong Game Limited
Windows
Median: 42 minMean: 9.5 hrs≥1hr: 37%
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 56.6%, Space 28.1%, Strategy 15.2%
Why You'll Like It: Offers a similar mobile-to-PC transition with deep space strategy and fleet management mechanics.
- #2 Hades' Star
96% matchMostly Positive73% of 2,671 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 54.8 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Massively Multiplayer 43.5%, Space 36.1%, Strategy 16.6%, Multiplayer 3.8%
Why You'll Like It: Focuses on strategic fleet coordination and long-term exploration in a persistent space environment.
- #3 EVE Online
95% matchMostly Positive73% of 38,948 reviews2010
Dev: Fenris Creations
Windows · Mac
Median: 3.0 hrsMean: 138.8 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: Massively Multiplayer 32.5%, Space Sim 26.6%, Space 22.3%, Strategy 10.2%, Simulation 8.4%
Why You'll Like It: The definitive massively multiplayer space experience featuring complex economy, fleet warfare, and player-driven politics.
- #4 Elite Dangerous
94% matchMostly Positive77% of 106,341 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 148.1 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 31.4%, Massively Multiplayer 29.1%, Space 25.6%, Simulation 6.3%, Multiplayer 4.5%
Why You'll Like It: Provides an immersive space-sim experience with a focus on exploration, trading, and combat.
- #5 Stellaris
93% matchVery Positive86% of 195,126 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.5 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: Space 53%, Strategy 25.6%, Simulation 14.1%, Multiplayer 7.3%
Why You'll Like It: A grand strategy game that excels in empire management, exploration, and large-scale space warfare.
- #6 Star Conflict
94% matchMostly Positive73% of 15,192 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.6 hrs≥1hr: 62%
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: Massively Multiplayer 56.4%, Space Sim 37.6%, 3D 6%
Why You'll Like It: An action-oriented space combat game with strong massively multiplayer and fleet-based elements.
- #7 Sins of a Solar Empire®: Rebellion
92% matchVery Positive93% of 16,296 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 26%, Space 22.5%, Base Building 18%, Strategy 13%, Simulation 8.6%
Why You'll Like It: Combines 4X strategy with real-time fleet combat on a massive scale.
- #8 X4: Foundations
91% matchMostly Positive80% of 29,053 reviews2018
Dev: Egosoft
Windows · Linux
Median: 4.9 hrsMean: 94.4 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: Space Sim 34.2%, Space 33.1%, Strategy 16.4%, Simulation 11.2%, 3D 5%
Why You'll Like It: Features a complex, living economy and deep fleet management within a vast open-world galaxy.
- #9 Pixel Starships
91% matchMostly Positive73% of 2,968 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.5 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: Massively Multiplayer 30.1%, Space Sim 22.1%, Space 18.6%, Base Building 14.2%, Strategy 10.6%
Why You'll Like It: Features micro-management of ship systems and crew in a strategic, persistent online environment.
- #10 Cosmoteer: Starship Architect & Commander
89% matchVery Positive94% of 12,688 reviews2022
Dev: Walternate Realities
Windows
Median: 19.5 hrsMean: 41.2 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 32.9%, Space 31.7%, Strategy 17%, Simulation 9.5%, Multiplayer 8.8%
Why You'll Like It: Allows for intricate ship design and tactical fleet management in a space-faring setting.
- #11 Infinity: Battlescape
90% matchVery Positive80% of 756 reviews2019
Dev: I-Novae Studios, LLC
Windows
Median: 3.1 hrsMean: 10.1 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 44%, Space 25.3%, Space Sim 20.9%, Simulation 9.8%
Why You'll Like It: Features massive-scale space combat simulations with hundreds of players in a single system.
- #12 Homeworld Remastered Collection
89% matchVery Positive88% of 14,082 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: Space 59.1%, Strategy 28.4%, Multiplayer 6.6%, Simulation 5.9%
Why You'll Like It: The gold standard for 3D space fleet strategy and tactical combat.
- #13 NEBULOUS: Fleet Command
86% matchVery Positive82% of 4,182 reviews2022
Dev: Eridanus IndustriesPub: Hooded Horse
Windows
Median: 5.2 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: Space 39.9%, Strategy 27.8%, Simulation 17.3%, Multiplayer 15%
Why You'll Like It: Offers deep tactical fleet management with a focus on realistic sensor and weapon simulation.
- #14 Galaxy Control: 3D Strategy
87% matchMixed59% of 534 reviews2016
Dev: FX Games Media
Windows · Mac
Median: 1.1 hrsMean: 29.2 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 57.9%, Strategy 22.2%, Space 19.9%
Why You'll Like It: A sci-fi strategy game that emphasizes base-building and fleet defense.
- #15 Nova Empire
86% matchMixed53% of 294 reviews2022
Dev: Gamebear Tech
Windows
Median: 1.6 hrsMean: 11.9 hrs≥1hr: 56%
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 32.8%, Strategy 21.2%, Base Building 16.6%, Massively Multiplayer 13.9%, Space 10.8%
Why You'll Like It: A real-time strategy game centered on space exploration and multiplayer fleet combat.
- #16 Starpoint Gemini Warlords
85% matchMostly Positive73% of 3,583 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.9 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: Space 30.5%, Space Sim 28.1%, Base Building 16.8%, Strategy 15.1%, Simulation 9.4%
Why You'll Like It: Blends fleet management and tactical combat with RPG-style progression and exploration.
- #17 Starbase
84% matchMixed56% of 6,732 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.4 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 41.7%, Space Sim 26.5%, Space 19.9%, Simulation 7.9%, Multiplayer 4%
Why You'll Like It: A massively multiplayer space simulation with a heavy focus on construction and engineering.
- #18 Starship Theory
82% matchMixed50% of 1,114 reviews2026
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.0 hrsMean: 14.9 hrs≥1hr: 75%
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Why similar: Space 33.4%, Base Building 32.4%, Strategy 20.2%, Simulation 14%
Why You'll Like It: Focuses on ship survival, base-building, and tactical management in deep space.
- #19 Avorion
81% matchVery Positive90% of 14,443 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.8 hrsMean: 99.8 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: Space Sim 44.6%, Space 36.7%, Simulation 12.2%, 3D 6.4%
Why You'll Like It: Combines procedural space exploration with detailed ship building and fleet command mechanics.
- #20 Ascent - The Space Game
84% 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 47.6%, Space 28.4%, Strategy 14%, Simulation 9.9%
Why You'll Like It: A massively multiplayer space exploration game with a focus on economy and strategy.
- #21 The Infinite Black
83% matchMixed66% of 213 reviews2016
Dev: SpellbookPub: www.Spellbook.com
Windows · Mac · Linux
Median: 5.5 hrsMean: 84.0 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 59.2%, Space 21.4%, Strategy 19.3%
Why You'll Like It: A persistent massively multiplayer space strategy game with strong RPG progression.
- #22 Space Engineers
78% matchVery Positive89% of 133,889 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.1 hrs≥1hr: 88%
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 27.3%, Space 23.7%, Base Building 19.1%, Strategy 13.4%, Simulation 8.9%
Why You'll Like It: Focuses on the technical aspects of building and managing space structures and ships.
- #23 SpaceCraft
77% matchMixed69% of 1,804 reviews2026
Dev: Shiro Games
Windows
Median: 8.7 hrsMean: 24.5 hrs≥1hr: 90%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Massively Multiplayer 33.7%, Space Sim 19.9%, Space 19.8%, Base Building 13.8%, Simulation 6.7%
- #24 Celestial Command
79% matchMixed63% of 699 reviews2014
Dev: Science Interactive
Windows · 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 45.3%, Space Sim 20.4%, Strategy 17.8%, Simulation 16.6%
Why You'll Like It: A physics-based space simulation that allows for complex ship construction and strategy.
- #25 Astro Lords
79% matchMixed65% of 230 reviews2015
Dev: Aratog LLCPub: Conglomerate 5
Windows · Mac · Linux
Median: 48 minMean: 6.0 hrs≥1hr: 44%
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.
Why similar: Massively Multiplayer 37%, Space 21.5%, Space Sim 19.1%, Strategy 10.7%, Simulation 5.9%
Why You'll Like It: Combines space strategy with MMO and RPG elements in a persistent galaxy.
- #26 Starminer
73% matchMostly Positive75% of 1,687 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.1 hrsMean: 12.3 hrs≥1hr: 81%
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 42.9%, Space 34.6%, Base Building 22.4%
- #27 Helium Rain
77% matchMostly Positive79% of 333 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 9.5 hrs≥1hr: 73%
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 38.8%, Space 32.2%, Strategy 16.5%, Simulation 12.5%
- #28 Operation: New Earth
78% matchMixed60% of 828 reviews2016
Dev: Hunted Cow Games
Windows · Mac
Median: 2.8 hrsMean: 35.4 hrs≥1hr: 64%
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 61.5%, Strategy 25.9%, Simulation 7.9%, Multiplayer 4.7%
Why You'll Like It: A sci-fi strategy game that features base-building and large-scale multiplayer conflict.
- #29 Space Commander: War and Trade
76% matchMixed68% of 699 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 56%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: Space Sim 41.2%, Base Building 30.7%, Space 21.9%, 3D 5.4%, Multiplayer 0.8%
- #30 Pixel Starships 2
74% matchMostly Negative27% of 377 reviews2025
Dev: SavySoda
Windows · Mac
First Glimpse on Steam Next: Build, Configure, and Manage every aspect of your own Starship. An FTL-esque game in a MMO setting. Pre bundled with deep strategy, exploration, PVP, market economy, trading, mining. Basically everything a star captain wants to do after a day at the office :)
Why similar: Massively Multiplayer 31.8%, Space 18.7%, Space Sim 17.6%, Base Building 13.4%, Strategy 10.5%
- #31 Beyond the Void
76% matchMixed57% of 136 reviews2018
Dev: B2Expand
Windows · Mac
Median: 1.8 hrsMean: 10.5 hrs≥1hr: 56%
Beyond the Void is a new hybrid strategy game in space, with RTS and MOBA mechanics. It's F2P. Experience the thrill of being a Captain and lead epic space wars in 1 vs1. Design your own strategy and fleet to become the one who'll dominate the galaxy!
Why similar: Strategy 38.9%, Space 32.4%, MOBA 18.9% ★, Multiplayer 9.9%
- #32 Andromeda: Rebirth of Humanity
75% matchMixed65% of 116 reviews2021
Dev: Null Reference Games
Windows · Linux
Andromeda is a hybrid between a Space 4X and an MMO. 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, or just sit and chat with the friendly community.
Why similar: Massively Multiplayer 28.4%, Space Sim 28.2%, Strategy 20.1%, Space 15.6%, Simulation 4%
- #33 Star Sonata 2
73% matchMixed67% of 291 reviews2020
Dev: Landauer Games
Windows
Median: 2.1 hrsMean: 60.0 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: Space 37.3%, Space Sim 34.1%, Base Building 28.6%
- #34 SpaceBourne 2
68% matchMostly Positive76% of 5,078 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.1 hrs≥1hr: 71%
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 37.2%, Space 24.2%, Base Building 23.9%, Strategy 9.2%, 3D 5.5%
- #35 Sins of a Solar Empire II
69% matchVery Positive84% of 8,424 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.8 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: Space 47.2%, Strategy 25.2%, Base Building 14.8%, Multiplayer 9.4%, 3D 3.4%
- #36 Project Entropy
72% matchMixed53% of 238 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: Base Building 39.8%, Strategy 32.3%, Simulation 20.7%, Multiplayer 7.1%
- #37 Starfighter: Infinity
72% matchVery Positive91% of 129 reviews2019
Dev: Ben Olding Games
Windows · Mac · Linux
A space based MMORPG with a focus on ‘dogfighting’ style action and exploration. Features a huge array of ships, imaginative weapons and ship upgrades with more being added all the time. Explore the galaxy, fight other players, form your own organisations, mine asteroids to craft new items, loot rare weapons from alien races, and more...
Why similar: Massively Multiplayer 81%, Space 19%
- #38 Starborne: Frontiers
70% matchMixed68% of 296 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 47.2%, Space 30.3%, Strategy 22.5%
- #39 Interstellar Rift
71% matchMixed68% of 1,660 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.4 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 48.6%, Space 33.4%, Simulation 11.7%, 3D 6.3%
- #40 The Infinite Black 2
69% matchVery Positive85% of 232 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: Massively Multiplayer 37.1%, Space Sim 32.6%, Space 26.3%, 3D 4%
- #41 Subspace Discovery
69% matchMostly Positive76% of 139 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: Massively Multiplayer 47.3%, Space 28.8%, Base Building 12.8%, Strategy 11.1%
- #42 Empyrion - Galactic Survival
67% matchMostly Positive79% of 34,243 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.9 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Space Sim 32.2%, Space 31.5%, Strategy 14.4%, Simulation 13.3%, Multiplayer 8.5%
- #43 4X-Galaxy 无主之地:银河
71% matchMixed51% of 252 reviews2018
Dev: Mercator
Windows
“4X-Galaxy” is a game developed by the 4X concept system(eXplore、eXpand、eXploit、eXterminate)
Why similar: Massively Multiplayer 60.6%, Space 20.9%, Strategy 18.6%
- #44 Into the Stars
71% matchMixed41% of 538 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 49.1%, Strategy 30.2%, Simulation 20.8%
- #45 Space Haven
61% matchVery Positive86% of 10,816 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 hrs≥1hr: 72%
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 26.5%, Space 26%, Base Building 22.7%, Strategy 15.3%, Simulation 9.5%
- #46 Starport Delta
68% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Strategy 27.9%, Space Sim 21.5%, Space 18.3%, Simulation 17.9%, Base Building 14.4%
- #47 SpaceBourne
67% matchMostly Positive77% of 809 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 59%
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 47.6%, Space Sim 32.8%, Simulation 19.6%
- #48 Outworld Station
62% matchVery Positive85% of 776 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 4.2 hrsMean: 10.7 hrs≥1hr: 70%
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 34.1%, Base Building 27.8%, Strategy 15.1%, Simulation 12.1%, Multiplayer 6.2%
- #49 Prosperous Universe
66% matchMostly Positive73% of 1,077 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: Massively Multiplayer 30.3%, Space Sim 17.5%, Space 16.6%, Base Building 15.1%, Strategy 9.4%
- #50 Star Crusade CCG
67% matchMostly Positive80% of 1,880 reviews2016
Dev: ZiMAD, Inc.
Windows
Median: 1.3 hrsMean: 24.9 hrs≥1hr: 57%
Star Crusade: War for the Expanse is a free-to-play, online, digital collectible card game (CCG) based in a richly styled sci-fi universe, where each player takes command of one of the six factions vying for supremacy in an unclaimed exotic sector of space.
Why similar: Massively Multiplayer 48.3%, Strategy 34.8%, Space 16.9%