- #1 STAR WARS™: The Old Republic™
97% matchVery Positive90% of 73,602 reviews2020
Dev: BroadswordPub: Electronic Arts
Windows
Median: 5.5 hrsMean: 68.2 hrs≥1hr: 78%
STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.
Why similar: MMORPG 33.7% ★, Massively Multiplayer 17.3%, Space 9.2%, Open World 8.4%, Sci-fi 7.6%
Why You'll Like It: A narrative-heavy sci-fi MMORPG that mirrors the questing and cinematic storytelling found in Star Trek Online.
- #2 EVE Online
96% matchMostly Positive73% of 38,745 reviews2010
Dev: CCP
Windows · Mac
Median: 3.0 hrsMean: 138.3 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 28.4%, Space 22.2%, Sci-fi 12.3%, Open World 11.2%, Character Customization 7.5%
Why You'll Like It: The definitive persistent space-faring MMO that emphasizes fleet coordination and complex player-driven economies.
- #3 Elite Dangerous
96% matchMostly Positive77% of 105,919 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 147.5 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 29.6%, Massively Multiplayer 29.5%, Sci-fi 14.8%, Open World 13%, Multiplayer 5.1%
Why You'll Like It: An immersive space simulation that captures the scale of the galaxy and the technical requirements of piloting a starship.
- #4 PULSAR: Lost Colony
94% matchVery Positive90% of 5,710 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.7 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 26.1%, Sci-fi 17.9%, Open World 13.9%, RPG 8.1%, Multiplayer 7.9%
Why You'll Like It: A co-op space simulation where players must work together as a crew to operate and defend their starship.
- #5 Star Conflict
94% matchMostly Positive73% of 15,162 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.5 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 40.7%, Sci-fi 17.6%, Open World 13.1%, RPG 8.7%, Online Co-Op 6.8%
Why You'll Like It: A fast-paced space combat game that focuses on the tactical dogfighting elements found in Star Trek Online.
- #6 Star Trek: Infinite
93% matchMixed42% of 3,483 reviews2023
Dev: Nimble Giant EntertainmentPub: Paradox Interactive
Windows · Mac
Median: 5.3 hrsMean: 19.1 hrs≥1hr: 79%
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Why similar: Space 61.5%, Open World 15.7%, PvE 9.7%, PvP 9.5%, Strategy 3.7%
Why You'll Like It: A grand strategy game that allows you to manage the politics and exploration of the Star Trek universe on a macro scale.
- #7 No Man's Sky
92% matchVery Positive85% of 406,987 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 42.4%, Sci-fi 22.6%, Open World 22.6%, Multiplayer 8.6%, Adventure 1.9%
Why You'll Like It: Offers an expansive, procedurally generated universe focused on exploration, ship customization, and sci-fi survival.
- #8 Empyrion - Galactic Survival
91% matchMostly Positive79% of 34,194 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.8 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 33.5%, Sci-fi 19.1%, Open World 16.1%, Multiplayer 8.7%, Co-op 8.5%
Why You'll Like It: Combines space exploration with ship building and ground-based survival mechanics in a persistent sci-fi setting.
- #9 Guild Wars 2®
90% matchVery Positive88% of 27,786 reviews2022
Dev: ArenaNet®
Windows
Median: 4.3 hrsMean: 70.3 hrs≥1hr: 80%
Guild Wars 2 is an award-winning online roleplaying game with fast-paced action combat, deep character customization, and no subscription fee required. Choose from an arsenal of professions and weapons, explore a vast open world, compete in PVP modes and more. Join over 16 million players now!
Why similar: MMORPG 48.9% ★, Massively Multiplayer 21.3%, Character Customization 8.3%, RPG 6.9%, Multiplayer 3.9%
Why You'll Like It: A high-quality MMORPG with a strong focus on narrative and world-building that appeals to fans of persistent online worlds.
- #10 Neverwinter
91% matchMostly Positive77% of 39,459 reviews2013
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.3 hrsMean: 40.5 hrs≥1hr: 83%
Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!
Why similar: MMORPG 44.8% ★, Massively Multiplayer 27.8%, RPG 6.7%, Open World 5.4%, Multiplayer 4.2%
Why You'll Like It: Shares a similar engine and questing structure to Star Trek Online, making the transition for players very intuitive.
- #11 X4: Foundations
89% matchMostly Positive80% of 28,557 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.7 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 43.6%, Sci-fi 27.7%, Open World 20.4%, Strategy 3.5%, Action 3.4%
Why You'll Like It: A complex space simulation that emphasizes fleet management, economy, and large-scale tactical control.
- #12 Space Engineers
88% matchVery Positive89% of 133,721 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.0 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 37.8%, Open World 18.8%, Multiplayer 11.8%, Co-op 8.6%, PvP 7.6%
Why You'll Like It: Focuses on the technical aspects of ship design and construction, allowing for deep customization of your space-faring vessels.
- #13 Anarchy Online
89% matchVery Positive83% of 283 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 35.4%, MMORPG 31.3% ★, Sci-fi 13.4%, RPG 7.2%, Open World 5.6%
Why You'll Like It: A classic sci-fi MMORPG that shares the futuristic setting and character-driven progression of Star Trek Online.
- #14 EVERSPACE™ 2
86% matchVery Positive86% of 12,733 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.6 hrsMean: 28.9 hrs≥1hr: 88%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 35.3%, Sci-fi 17.3%, Open World 16.1%, RPG 8.7%, Third Person 5.6%
Why You'll Like It: An action-focused space RPG that provides a polished experience for players who enjoy ship-based combat and exploration.
- #15 The Lord of the Rings Online™
87% matchVery Positive81% of 22,800 reviews2012
Dev: Standing Stone GamesPub: Daybreak Game Company LLC
Windows
Median: 3.2 hrsMean: 65.5 hrs≥1hr: 76%
Join the world’s greatest fellowship of players in the award-winning online re-creation of J. R. R. Tolkien’s legendary Middle-earth.
Why similar: MMORPG 40.2% ★, Massively Multiplayer 28.6%, Open World 9.2%, RPG 5.9%, Character Customization 4.3%
Why You'll Like It: A traditional MMORPG that excels in world-building and narrative immersion for fans of established franchises.
- #16 Destiny 2
84% matchMostly Positive77% of 648,710 reviews2019
Dev: Bungie
Windows
Median: 9.9 hrsMean: 325.8 hrs≥1hr: 86%
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.
Why similar: MMORPG 31.2% ★, Massively Multiplayer 21.2%, Space 12.6%, Sci-fi 9.3%, Open World 8.5%
Why You'll Like It: A sci-fi shooter that incorporates persistent world elements and cooperative missions similar to MMO-lite experiences.
- #17 Dungeons & Dragons Online®
86% matchMostly Positive71% of 7,811 reviews2012
Dev: Standing Stone GamesPub: Daybreak Game Company LLC
Windows
Median: 2.7 hrsMean: 27.1 hrs≥1hr: 72%
Enter a world of danger and adventure with Dungeons & Dragons Online® based on the beloved RPG that started it all.
Why similar: MMORPG 40.5% ★, Massively Multiplayer 29.2%, RPG 8%, Open World 5.7%, Multiplayer 4.6%
Why You'll Like It: A classic MMORPG that emphasizes dungeon exploration and unique character builds in a rich fantasy setting.
- #18 DC Universe™ Online
85% matchVery Positive81% of 21,783 reviews2011
Dev: Dimensional Ink GamesPub: Daybreak Game Company
Windows
Median: 8.4 hrsMean: 58.3 hrs≥1hr: 89%
DC Universe Online is a Free-to-Play, massive multiplayer online action game set in the popular DC Universe. Become one of a new breed of Heroes or Villains and wield incredible powers as you go to war with legendary characters such as Batman, Superman, Lex Luthor and The Joker.
Why similar: MMORPG 34.6% ★, Massively Multiplayer 28.2%, Open World 7.5%, Character Customization 7.3%, RPG 5.3%
Why You'll Like It: An action-oriented superhero MMORPG that features similar instanced mission structures and character progression.
- #19 Warframe
83% matchVery Positive88% of 663,362 reviews2013
Dev: Digital Extremes
Windows
Median: 12.5 hrsMean: 277.7 hrs≥1hr: 89%
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
Why similar: Massively Multiplayer 26.5%, Space 16.3%, Sci-fi 11.5%, RPG 10.7%, Third Person 7.2%
Why You'll Like It: A fast-paced sci-fi action game with deep character customization and a massive amount of content to explore.
- #20 Champions Online
84% matchMostly Positive71% of 4,349 reviews2011
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 4.1 hrsMean: 47.6 hrs≥1hr: 78%
Grab your cape and defend Millennium City in this comic book-style action MMORPG! Design your hero and costume from thousands of costume pieces, face super-villains like Dr. Destroyer, and create your own unique nemesis.
Why similar: MMORPG 39.4% ★, Massively Multiplayer 20.7%, Character Customization 8.6%, Open World 5.9%, RPG 3.9%
Why You'll Like It: A highly customizable superhero MMORPG that shares the free-to-play model and action-RPG feel of Star Trek Online.
- #21 Rebel Galaxy
82% matchVery Positive85% of 8,321 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space 50.9%, Sci-fi 20.3%, Open World 14.6%, RPG 8.1%, Third Person 1.8%
Why You'll Like It: Focuses on action-packed broadside combat and trading within a gritty, expansive sci-fi universe.
- #22 PlanetSide 2
82% matchVery Positive81% of 74,576 reviews2012
Dev: Rogue Planet GamesPub: Daybreak Game Company
Windows
Median: 3.6 hrsMean: 53.8 hrs≥1hr: 77%
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
Why similar: Massively Multiplayer 52.1%, Open World 10.4%, Sci-fi 10.3%, Space 6.7%, Multiplayer 6.1%
Why You'll Like It: Offers massive-scale sci-fi combat that captures the feeling of being part of a larger galactic conflict.
- #23 Avorion
81% matchVery Positive90% of 14,391 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.7 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 38.2%, Sci-fi 23.9%, Open World 18.5%, Third Person 8%, PvE 6.9%
Why You'll Like It: A procedural space sandbox that allows players to build their own ships and explore a vast, dangerous galaxy.
- #24 Mass Effect™ Legendary Edition
79% matchVery Positive91% of 64,838 reviews2021
Dev: BioWarePub: Electronic Arts
Windows
Median: 7.8 hrsMean: 52.6 hrs≥1hr: 87%
The Mass Effect™ Legendary Edition includes single-player base content and over 40 DLC from the highly acclaimed Mass Effect, Mass Effect 2, and Mass Effect 3 games, including promo weapons, armors, and packs — remastered and optimized for 4K Ultra HD.
Why similar: Space 33.2%, Sci-fi 28.6%, RPG 15.9%, Character Customization 13.5%, Action RPG 4.8%
Why You'll Like It: Provides the ultimate narrative-driven captain experience, focusing on crew relationships and galaxy-wide choices.
- #25 Starpoint Gemini Warlords
81% matchMostly Positive73% of 3,581 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 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 39.5%, Sci-fi 22.1%, Open World 17.2%, RPG 11.9%, Third Person 5.2%
Why You'll Like It: Blends tactical space combat with 4X strategy elements, perfect for players who enjoy commanding fleets.
- #26 Starbound
79% matchVery Positive90% of 122,999 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.1 hrsMean: 64.2 hrs≥1hr: 91%
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Why similar: Space 35.1%, Open World 15.6%, Sci-fi 11%, Multiplayer 9.9%, RPG 9%
Why You'll Like It: A 2D sci-fi exploration game that emphasizes planet-hopping, ship management, and RPG progression.
- #27 The Outer Worlds
78% matchVery Positive82% of 28,216 reviews2020
Dev: Obsidian EntertainmentPub: Private Division
Windows
Median: 9.9 hrsMean: 23.9 hrs≥1hr: 92%
The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.
Why similar: Space 23.6%, Open World 20.1%, Sci-fi 18.6%, RPG 12.7%, Character Customization 9.3%
Why You'll Like It: A narrative-driven sci-fi RPG that captures the exploration and dialogue-heavy nature of space-faring adventures.
- #28 Second Galaxy
80% matchMixed52% of 1,202 reviews2019
Dev: Zilong Game Limited
Windows
Median: 42 minMean: 9.4 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 44.2%, Space 25%, Sci-fi 10.5%, Open World 9.2%, RPG 8.9%
Why You'll Like It: A space-themed strategy and exploration MMO that focuses on large-scale player alliances and galactic warfare.
- #29 Void Destroyer 2
78% matchVery Positive80% of 667 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 14.5 hrs≥1hr: 75%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space 40.6%, Sci-fi 27.2%, Open World 22.8%, Action 4.2%, Strategy 3.8%
Why You'll Like It: Combines space combat simulation with real-time strategy elements for a unique tactical experience.
- #30 Star Trek Timelines
77% matchMixed66% of 1,506 reviews2017
Dev: Tilting Point
Windows
Median: 2.0 hrsMean: 198.1 hrs≥1hr: 58%
Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek.
Why similar: Space 41.8%, Sci-fi 26.4%, RPG 13%, Multiplayer 10%, Strategy 4.3%
- #31 RuneScape ®
73% matchVery Positive82% of 26,868 reviews2020
Dev: Jagex Ltd
Windows · Mac
Median: 1.3 hrsMean: 103.5 hrs≥1hr: 54%
RuneScape is a high fantasy open world MMORPG. Explore an ever changing and evolving living world where new challenges, skills, and quests await. Featuring unprecedented player freedom, you choose how to play, adventure, and grow.
Why similar: MMORPG 40.4% ★, Massively Multiplayer 28.7%, Open World 10.2%, RPG 5.8%, Character Customization 5.4%
- #32 EverQuest II
75% matchMostly Positive79% of 2,869 reviews2011
Dev: Darkpaw GamesPub: Daybreak Game Company
Windows
Median: 2.8 hrsMean: 42.4 hrs≥1hr: 72%
EverQuest® II is a deep fantasy MMORPG with over two decades of content, a thriving world, and ongoing expansions that keep Norrath growing. Create your hero and adventure through a massively rich, ever-evolving universe.
Why similar: MMORPG 41.1% ★, Massively Multiplayer 37.7%, RPG 8.2%, Open World 5.9%, Multiplayer 3%
- #33 Throne and Liberty
71% matchMixed67% of 68,066 reviews2024
Dev: NCPub: Amazon Game Studios
Windows
Median: 4.8 hrsMean: 77.1 hrs≥1hr: 78%
Throne and Liberty captures the essence of classic MMORPGs while introducing new gameplay elements, depth and excitement at every turn. Gather your guild, prepare for battle, and set forth for throne... and liberty!
Why similar: MMORPG 40.5% ★, Massively Multiplayer 25.6%, Open World 8.8%, Character Customization 5.6%, RPG 5.5%
- #34 EverQuest
74% matchMostly Positive79% of 2,647 reviews2012
Dev: Darkpaw GamesPub: Daybreak Game Company
Windows
Median: 1.6 hrsMean: 95.8 hrs≥1hr: 60%
Welcome to EverQuest® - the original fantasy MMORPG. Explore huge worlds, fight challenging foes, and grow your character with friends. Discover why players have quested, grouped, and raided in Norrath for more than two decades.
Why similar: MMORPG 45.9% ★, Massively Multiplayer 40.3%, RPG 8.9%, Open World 2.1%, Multiplayer 1.8%
- #35 RIFT
74% matchMostly Positive74% of 11,582 reviews2011
Dev: gamigo US Inc.
Windows
Median: 4.1 hrsMean: 60.8 hrs≥1hr: 77%
Dive into a world of epic adventure! Create your perfect hero thanks to a uniquely customizable class system. Collect, craft, and customize your gear. Go it alone or group up to challenge dungeons, raids, dynamic open-world content, and your fellow players.
Why similar: MMORPG 45.6% ★, Massively Multiplayer 27%, Open World 8.9%, RPG 6.1%, Multiplayer 3.6%
- #36 Star Trek: Voyager - Across the Unknown
67% matchVery Positive80% of 4,118 reviews2026
Dev: GamexcitePub: Daedalic Entertainment
Windows
Median: 6.7 hrsMean: 15.5 hrs≥1hr: 86%
Star Trek: Voyager - Across the Unknown is a story-driven survival strategy game in which the fate of the iconic starship is in your hands. Take the helm, manage the ship and resources, and make difficult decisions. Will you be able to bring home the ship and its crew?
Why similar: Space 49.2%, Sci-fi 35.2%, Strategy 10.2%, Tactical 5.3%
- #37 The Elder Scrolls® Online
70% matchVery Positive81% of 159,965 reviews2017
Dev: ZeniMax Online StudiosPub: Bethesda Softworks
Windows · Mac
Median: 17.9 hrsMean: 176.6 hrs≥1hr: 96%
Every legend starts somewhere and in The Elder Scrolls Online, it starts with you. Join millions of players in an online, fantasy RPG set in a vast living Elder Scrolls world.
Why similar: MMORPG 38% ★, Massively Multiplayer 26.2%, Open World 9.5%, RPG 7.6%, Multiplayer 5.7%
- #38 MechWarrior Online™ Legends
71% matchVery Positive80% of 12,690 reviews2015
Dev: Piranha Games Inc.
Windows
Median: 1.6 hrsMean: 56.7 hrs≥1hr: 60%
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
Why similar: Massively Multiplayer 41.6%, Sci-fi 26%, Multiplayer 16.3%, PvP 5.4%, Action 4.3%
- #39 Phantasy Star Online 2 New Genesis
69% matchMixed69% of 24,498 reviews2020
Dev: SEGA
Windows
Median: 3.8 hrsMean: 89.7 hrs≥1hr: 79%
Phantasy Star Online 2 New Genesis is a free-to-play action MMO. Join players around the world to explore the planet Halpha and fight in epic battles as ARKS Defenders! Unleash your imagination with our ultimate character creation experience and creative spaces to create your own phantasy.
Why similar: MMORPG 41.6% ★, Massively Multiplayer 17.3%, Character Customization 9.4%, Sci-fi 7.6%, RPG 5.5%
- #40 Bless Unleashed
69% matchMixed53% of 31,062 reviews2021
Dev: VALOFE
Windows
Median: 1.8 hrsMean: 31.1 hrs≥1hr: 65%
Bless Unleashed is an open-world online game that can be enjoyed with your friends and countless others. Venture out to engage in intense combat while exploring vast regions and treacherous dungeons.
Why similar: MMORPG 42.5% ★, Massively Multiplayer 20.7%, Open World 10.9%, RPG 7.9%, Multiplayer 5.4%
- #41 Hades' Star
70% matchMostly Positive73% of 2,651 reviews2019
Dev: Parallel Space Inc
Windows · Mac
Median: 1.6 hrsMean: 55.0 hrs≥1hr: 55%
A unique space strategy game where thousands of players participate in one shared galaxy.
Why similar: Massively Multiplayer 36.9%, Space 35.3%, Sci-fi 11.4%, Multiplayer 3.5%, Online Co-Op 2.6%
- #42 Downfall MMORPG
67% matchMixed58% of 73 reviews2026
Dev: Rainmade Games
Windows
Downfall MMORPG is an open-world sci-fi & fantasy MMORPG where magic and technology collide. Choose a faction, forge your own playstyle, and fight for control of a living world in massive PvP battles and endless PvE adventures.
Why similar: MMORPG 36.9% ★, Massively Multiplayer 23.5%, Sci-fi 11.9%, Open World 7.6%, Space 7.4%
- #43 Space Aces
66% matchMixed64% of 418 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 37.1%, MMORPG 34% ★, Space 15.4%, Sci-fi 6.7%, PvE 2.5%
- #44 Star Trek Legends
67% matchMixed67% of 238 reviews2024
Dev: Emerald City GamesPub: Tilting Point
Windows
Engage in an epic storyline for control of the mysterious Nexus and the fate of the universe as players step into the role of their favorite Star Trek heroes and villains in the hit franchise's official team-based RPG.
Why similar: Space 37.6%, Sci-fi 24.5%, RPG 21.8%, Action 6.5%, Adventure 4.8%
- #45 StarMade
70% matchMixed68% of 2,982 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 40.3%, Sci-fi 14.9%, Open World 14.2%, Massively Multiplayer 12.4%, Multiplayer 7.8%
- #46 Runes of Magic
69% matchMixed69% of 1,522 reviews2018
Dev: Runewaker EntertainmentPub: Gameforge 4D GmbH
Windows
Median: 1.0 hrsMean: 36.5 hrs≥1hr: 51%
Start your heroic saga today in a world full of magic and excitement: Choose your race, build a home and discover the fantastic world of Taborea in the classic free-to-play MMO!
Why similar: MMORPG 39.9% ★, Massively Multiplayer 31.5%, RPG 6.5%, Character Customization 4.3%, Open World 3.5%
- #47 Subspace Discovery
67% matchMostly Positive76% of 135 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 28.7% ★, Massively Multiplayer 27.8%, Space 19.3%, Sci-fi 10.9%, RPG 4.7%
- #48 Stellaris
66% matchVery Positive86% of 194,059 reviews2016
Dev: Paradox Development StudioPub: Paradox Interactive
Windows · Mac · Linux
Median: 19.4 hrsMean: 143.5 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 56%, Sci-fi 31.6%, Multiplayer 7.4%, Strategy 4.2%, Singleplayer 0.8%