- #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: Massively Multiplayer 37.8%, Space 32.3%, Simulation 11.8%, Sci-fi 9.2%, Strategy 8.9%
Why You'll Like It: This is the definitive persistent space MMO, offering the most complex player-driven economy and large-scale faction warfare similar to the core of Ascent.
- #2 Elite Dangerous
96% 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 40.4%, Massively Multiplayer 36.8%, Sci-fi 10.4%, Simulation 9.6%, Strategy 2.9%
Why You'll Like It: It provides an unparalleled sense of scale and exploration within a realistic, massive galaxy that appeals to any fan of deep space simulation.
- #3 X4: Foundations
96% 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 54%, Simulation 19.5%, Sci-fi 13.5%, Strategy 13%
Why You'll Like It: It offers an incredibly deep simulation of space trade, station building, and fleet management that mirrors the strategic depth found in Ascent.
- #4 Space Engineers
95% 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 58.7%, Simulation 21.3%, Strategy 20%
Why You'll Like It: This game excels at the player-built infrastructure and modular ship construction that forms the backbone of the Ascent experience.
- #5 Avorion
94% 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: Space 60.8%, Sci-fi 19.6%, Simulation 19.6%
Why You'll Like It: It combines procedural galaxy exploration with modular ship building, allowing for a highly personalized experience in a vast space sandbox.
- #6 Starbase
94% 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 49.5%, Space 29.5%, Simulation 11.2%, Sci-fi 9.7%
Why You'll Like It: A massive multiplayer space game focused on building and destruction with a fully destructible environment and complex engineering systems.
- #7 Empyrion - Galactic Survival
93% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 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 50.6%, Simulation 20.6%, Sci-fi 14.9%, Strategy 13.9%
Why You'll Like It: This game offers a comprehensive survival and colonization experience across a massive, procedurally generated galaxy.
- #8 StarMade
91% 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 56.5%, Massively Multiplayer 15.8%, Sci-fi 10.7%, Simulation 7.5%, Strategy 6.5%
Why You'll Like It: A voxel-based space sandbox that allows for immense creativity in ship and station design, much like the player-built world of Ascent.
- #9 Infinity: Battlescape
91% 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 45.2%, Space 32.4%, Simulation 11.8%, Sci-fi 6.6%, Indie 4%
Why You'll Like It: It captures the massive-scale space combat and seamless planetary transitions that define the technical ambition of space simulation games.
- #10 Prosperous Universe
90% 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: Massively Multiplayer 40.9%, Space 28%, Sci-fi 11.3%, Simulation 10.4%, Strategy 9.5%
Why You'll Like It: This title focuses heavily on the economic and logistical side of space colonization, perfect for players who enjoy the trading and management aspects of Ascent.
- #11 Interstellar Rift
89% 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 59.8%, Simulation 20.2%, Sci-fi 20%
Why You'll Like It: This game focuses on multiplayer ship construction and management, requiring players to build and maintain their own vessels in a persistent universe.
- #12 No Man's Sky
87% matchVery Positive85% of 402,164 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.2 hrsMean: 70.4 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Space 71.5%, Sci-fi 19.6%, Simulation 6%, Indie 3%
Why You'll Like It: While more exploration-focused, its vast scale and base-building mechanics provide a similar sense of wonder and discovery in a massive universe.
- #13 Astrox Imperium
88% 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 67.1%, Simulation 18.7%, Sci-fi 8.7%, Indie 5.4%
Why You'll Like It: A deep, single-player space simulation that emphasizes mining, trading, and combat progression in a vast, open galaxy.
- #14 Celestial Command
89% 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 53.9%, Simulation 19%, Strategy 12.7%, Sci-fi 9.6%, Indie 4.8%
Why You'll Like It: This game features physics-based space construction and management, appealing to players who enjoy the technical side of space engineering.
- #15 Hades' Star
86% 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 41%, Massively Multiplayer 39.5%, Strategy 11.4%, Sci-fi 6.9%, Indie 1.2%
Why You'll Like It: A persistent space strategy game that focuses on long-term resource management and cooperative exploration in a shared galaxy.
- #16 Dyson Sphere Program
83% matchOverwhelmingly Positive98% of 90,027 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.2 hrsMean: 75.2 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Space 59.7%, Simulation 15%, Sci-fi 14.1%, Strategy 9.8%, Indie 1.5%
Why You'll Like It: While focused on automation, its grand scale and focus on industrializing a galaxy provide a satisfying sense of progression and construction.
- #17 Stationeers
84% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Space 50.1%, Science 32% ★, Sci-fi 17.9%
Why You'll Like It: A hardcore engineering simulation that requires players to manage complex systems, perfect for those who enjoy the technical depth of Ascent.
- #18 Star Sonata 2
84% 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: Space 65.1%, Science 34.9% ★
Why You'll Like It: An older but deep sandbox MMORPG that emphasizes space combat, exploration, and player-controlled territory.
- #19 Astro Colony
82% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Space 58.7%, Simulation 19%, Strategy 16.8%, Indie 5.5%
Why You'll Like It: A space-based automation and base-building game that tasks players with managing resources and expanding their reach across the stars.
- #20 PULSAR: Lost Colony
79% matchVery Positive90% of 5,694 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.8 hrs≥1hr: 88%
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Why similar: Space 57.6%, Simulation 22.1%, Sci-fi 20.3%
Why You'll Like It: A cooperative space simulation that requires players to work together to operate a ship, emphasizing the importance of teamwork and system management.
- #21 VoidExpanse
81% 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 60.5%, Sci-fi 13.2%, Strategy 11.4%, Simulation 10.4%, Indie 4.5%
Why You'll Like It: An open-world space RPG that features a dynamic, procedurally generated galaxy and deep character progression.
- #22 Starship Corporation
82% matchMixed42% of 555 reviews2018
Dev: Coronado GamesPub: Iceberg Interactive
Windows
Median: 4.3 hrsMean: 9.7 hrs≥1hr: 89%
A sci-fi simulation game, in which players must design, assemble and test spaceships, in a bid to build a supreme Galactic Mega-Corporation. Gain your reputation by engineering and selling your own spacecraft, testing them to the limit in RTS missions and simulated emergency and combat situations.
Why similar: Space 35.2%, Simulation 27.5%, Strategy 22.2%, Indie 7.8%, Sci-fi 7.2%
Why You'll Like It: This game focuses on the design, construction, and management of spaceships, mirroring the industrial focus of the seed game.
- #23 Hardspace: Shipbreaker
78% matchVery Positive89% of 21,702 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 23.9 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 54.9%, Sci-fi 18.2%, Simulation 18%, Strategy 9%
Why You'll Like It: This game focuses on the industrial, blue-collar side of space, tasking players with the complex, physics-based work of salvaging ships.
- #24 The Infinite Black
81% 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 56.2%, Space 25.4%, Strategy 13.8%, Indie 4.6%
Why You'll Like It: A classic, persistent space strategy MMO that focuses on combat, exploration, and building a fleet in a shared universe.
- #25 Objects in Space
79% matchMixed52% of 612 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 71%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 43.7%, Simulation 23.7%, Strategy 18.9%, Indie 7.3%, Sci-fi 6.4%
Why You'll Like It: A realistic, retro-styled space simulation that focuses on the gritty, technical reality of operating a ship in a vast, dangerous universe.
- #26 Rebel Galaxy Outlaw
78% matchMixed64% of 1,122 reviews2020
Dev: Double Damage Games
Windows
Median: 36 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: Space 45.7%, Sci-fi 29%, Simulation 25.3%
Why You'll Like It: This game captures the feel of space trading and combat with a focus on the gritty, blue-collar side of space life.
- #27 Starfighter: Infinity
77% 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 72.4%, Space 21.2%, Indie 6.4%
- #28 Star Hunter - Infinite Lagrange
76% 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 47.8%, Space 27.9%, Strategy 14.3%, Simulation 10%
- #29 Azulgar: Star Commanders
77% matchMixed51% of 108 reviews2017
Dev: SZEINER
Windows
Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.
Why similar: Space 40.3%, Simulation 21.4%, Massively Multiplayer 16.4%, Sci-fi 14.5%, Indie 7.5%
- #30 Starship EVO
74% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space 55.8%, Simulation 23.3%, Sci-fi 12.1%, Indie 8.8%
- #31 Star Conflict
74% 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: Massively Multiplayer 60%, Science 25.4% ★, Sci-fi 14.6%
- #32 Subspace Discovery
73% 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: Massively Multiplayer 46.4%, Space 35.2%, Sci-fi 10.2%, Strategy 8.2%
- #33 Solargene
70% matchMostly Positive76% of 819 reviews2026
Dev: Alexander Semenov
Windows
Median: 3.7 hrsMean: 34.8 hrs≥1hr: 71%
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Why similar: Space 53.2%, Strategy 19.9%, Sci-fi 14.4%, Simulation 12.5%
- #34 Reassembly
72% 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 67.5%, Strategy 17.2%, Sci-fi 8.1%, Indie 5.2%, Simulation 2.1%
- #35 The Sentient
75% matchMostly Negative39% of 82 reviews2016
Dev: Uncaged Studios
Windows
Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.
Why similar: Space 41.4%, Simulation 25.1%, Strategy 24.1%, Indie 9.4%
- #36 Cosmoteer: Starship Architect & Commander
69% 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 44.7%, Sci-fi 22%, Strategy 14.5%, Simulation 13%, Indie 5.7%
- #37 Stars End
71% 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 51.7%, Space 29.7%, Simulation 9.9%, Sci-fi 8.7%
- #38 VEGA Conflict
73% 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 45.5%, Space 36.3%, Strategy 10.9%, Sci-fi 7.2%
- #39 Endless Sky
71% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 72.1%, Sci-fi 12.3%, Simulation 10.6%, Strategy 2.8%, Indie 2.2%
- #40 Universal Combat CE
73% matchMixed42% of 267 reviews2015
Dev: 3000AD
Windows
Median: 36 minMean: 15.8 hrs≥1hr: 45%
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.
Why similar: Space 45.5%, Simulation 16.5%, Sci-fi 16.3%, Strategy 15.7%, Massively Multiplayer 5.3%
- #41 Space Engineers 2
67% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Space 38%, Science 20.6% ★, Sci-fi 13.5%, Simulation 13.2%, Strategy 11.1%
- #42 Andromeda: Rebirth of Humanity
70% 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: Massively Multiplayer 37.5%, Space 25.6%, Strategy 19.9%, Sci-fi 8.4%, Simulation 6.4%
- #43 Jumpdrive
72% matchMostly Negative39% of 164 reviews2018
Dev: Meteoric Games
Windows
Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power and upgrade and purchase new ships.
Why similar: Space 62.8%, Simulation 27.5%, Indie 9.8%
- #44 Ways of History
71% matchMixed53% of 257 reviews2017
Dev: Glyph Worlds
Windows
Median: 1.4 hrsMean: 14.2 hrs≥1hr: 56%
Hardcore real-time strategy with a long-term round. Development of your civilization from caves to space. Huge world. Thousands of players. 240+ sciences and technologies. About 100 troops. 4 races. 50+ resource deposits. War, trade, science, construction...
Why similar: Massively Multiplayer 72.1%, Strategy 22.8%, Indie 5.2%
- #45 SpaceBourne
69% 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 65.7%, Simulation 26.1%, Indie 8.3%
- #46 Interstellar Transport Company
70% matchMixed67% of 408 reviews2019
Dev: MT Worlds
Windows · Mac · Linux
Median: 3.5 hrsMean: 5.9 hrs≥1hr: 77%
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
Why similar: Space 54.6%, Simulation 17.4%, Strategy 10.4%, Sci-fi 8.4%, Science 8.1% ★
- #47 Project Entropy
68% 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: Simulation 34.1%, Strategy 33.1%, Sci-fi 32.8%
- #48 Archean
66% matchVery Positive88% of 236 reviews2024
Dev: batcholi
Windows · Linux
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Space 50.3%, Science 32.4% ★, Simulation 17.4%
- #49 Entropia Universe
66% 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: Space 58.2%, Sci-fi 21.5%, Massively Multiplayer 20.3%
- #50 Sector Space
64% matchVery Positive96% of 53 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: Simulation 52.5%, Space 30.5%, Sci-fi 11%, Indie 5.9%
- #51 Second Galaxy
68% 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 51.2%, Space 31.7%, Strategy 10.3%, Sci-fi 6.8%
- #52 The Last Starship
63% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space 38.4%, Science 16.3% ★, Simulation 14%, Strategy 13.8%, Sci-fi 13.6%
- #53 Into the Stars
68% matchMixed41% of 537 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 52.7%, Simulation 21.5%, Strategy 19.5%, Indie 6.3%