- #1 Ryzom
97% matchMostly Positive70% of 532 reviews2016
Dev: Winch Gate Property Limited
Windows · Mac · Linux
Median: 36 minMean: 12.0 hrs≥1hr: 42%
Enter a unique science fantasy MMORPG and dive into a unique organic living world !
Why similar: MMORPG 36.4% ★, Massively Multiplayer 33.7%, Sci-fi 10.4%, Open World 8.4%, RPG 7.6%
- #2 Knight Online
96% matchMixed51% of 11,179 reviews2016
Dev: Noah SystemPub: NTTGame
Windows
Median: 48 minMean: 163.5 hrs≥1hr: 47%
The Great Battle between Karus and El Morad has arrived to Steam! Pledge allegiance to one of the Nations and put your skills to the test in one of the best PvP system in the MMORPG universe!
Why similar: MMORPG 47.6% ★, Massively Multiplayer 34%, Open World 5.5%, RPG 4.6%, Multiplayer 2.6%
- #3 Star Trek Online
95% matchMostly Positive79% of 21,049 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 132.8 hrs≥1hr: 84%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: Massively Multiplayer 35.4%, MMORPG 31.3% ★, Sci-fi 13.4%, RPG 7.2%, Open World 5.6%
- #4 UFO Online: Invasion
94% 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 61.6%, RPG 14.9%, Open World 10.1%, Strategy 6.4%, Multiplayer 4.4%
- #5 Mortal Online
94% matchMixed52% of 2,959 reviews2015
Dev: Star Vault AB
Windows
Median: 54 minMean: 21.0 hrs≥1hr: 47%
Mortal Online is a first-person medieval fantasy MMORPG, set in a huge, open, unforgiving world. Choose your race, choose your playstyle, choose a profession, choose where to place your loyalties - if you have any...
Why similar: Massively Multiplayer 45.7%, MMORPG 27.2% ★, Open World 12.7%, RPG 7.9%, Multiplayer 3%
- #6 Downfall MMORPG
91% 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 38.6% ★, Massively Multiplayer 28.3%, Sci-fi 11.6%, RPG 9%, Open World 7.5%
- #7 Allods Online
92% matchMostly Positive72% of 851 reviews2016
Dev: IT TerritoryPub: MY.GAMES
Windows
Median: 2.0 hrsMean: 16.5 hrs≥1hr: 67%
Allods Online is a massively multiplayer online role-playing game, set in the fantasy space opera universe of Sarnaut. It is the fourth opus of the Rage of Mages series which started in the mid-90s, conquering the minds of millions of gamers around the world.
Why similar: MMORPG 35.5% ★, Massively Multiplayer 35%, RPG 8.9%, Open World 8.6%, Multiplayer 3.7%
- #8 Karos
91% matchMixed66% of 1,376 reviews2014
Dev: Galaxy GatePub: GameXP.com
Windows
Median: 2.5 hrsMean: 157.4 hrs≥1hr: 60%
Karos: Rebirth is a classic online MMORPG with dynamic combat, deep progression, and complete freedom of choice. Explore the vast world of Azmara, join PvP battles, castle sieges, and raids — create your unique hero and join thousands of players today!
Why similar: Massively Multiplayer 38.2%, MMORPG 36% ★, RPG 10.9%, Open World 7.3%, Multiplayer 3.2%
- #9 Perpetuum
90% matchMostly Positive73% of 808 reviews2014
Dev: Avatar CreationsPub: Gamestorm Ltd
Windows
Median: 3.2 hrsMean: 21.7 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 47.5%, MMORPG 22% ★, RPG 10.5%, Sci-fi 9.9%, Open World 6.6%
- #10 Runes of Magic
89% 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 40.8% ★, Massively Multiplayer 37.1%, RPG 8.9%, Open World 3.4%, Adventure 3.2%
- #11 Gangs of Space
89% matchMostly Positive76% of 431 reviews2017
Dev: Little Big MMO
Windows · Mac · Linux
Median: 1.1 hrsMean: 284.3 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 49.4%, MMORPG 35.6% ★, Sci-fi 7%, RPG 5.3%, Action 2.8%
- #12 EverQuest
88% 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: Massively Multiplayer 42.4%, MMORPG 41.9% ★, RPG 10.9%, Open World 1.8%, Multiplayer 1.2%
- #13 Tower of Fantasy
86% matchMixed66% of 11,982 reviews2022
Dev: Hotta StudioPub: Perfect World Games
Windows
Median: 2.3 hrsMean: 54.4 hrs≥1hr: 69%
Embark together on your fantasy adventure! Set hundreds of years in the future on the distant planet of Aida, the shared open-world RPG, anime-infused sci-fi adventure Tower of Fantasy now is officially available on Steam.
Why similar: MMORPG 45.3% ★, Massively Multiplayer 16.3%, Open World 10.2%, RPG 9.4%, Sci-fi 8.5%
- #14 Destiny of Ancient Kingdoms™
87% matchMixed52% of 186 reviews2016
Dev: Utopia Dream Entertainment Alliance (Pty) Ltd - South Africa
Windows
Median: 2.8 hrsMean: 41.4 hrs≥1hr: 67%
Destiny of Ancient Kingdoms (DOAK) is a free, action MMORPG based on the legends of Norse Mythology. An epic story-line, action-packed combat and classic multiplayer roleplaying elements await strong warriors who are courageous enough to enter the New World!
Why similar: Massively Multiplayer 53.8%, MMORPG 23.3% ★, RPG 12.4%, Strategy 3.9%, Adventure 3.6%
- #15 Allods Online RU
86% matchMixed64% of 1,690 reviews2016
Dev: ASTRUM LAB
Windows
Median: 3.5 hrsMean: 59.7 hrs≥1hr: 80%
Tighten the ranks on your path to glorious victories in Allods Online! Team up with your friends to explore the dangers of the mysterious Astral. Together you will prevail!
Why similar: MMORPG 38% ★, Massively Multiplayer 37.1%, Open World 9.1%, RPG 8.6%, Multiplayer 4.1%
- #16 Guild Wars 2®
79% 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 51.5% ★, Massively Multiplayer 25.8%, RPG 9.7%, Adventure 3.8%, Character Customization 3.7%
- #17 Affected Zone Tactics
83% matchMixed55% of 341 reviews2015
Dev: Light Vision Interactive
Windows
Median: 1.5 hrsMean: 12.7 hrs≥1hr: 58%
Welcome to Affected Zone Tactics, a tactical online game with cooperative turn-based PvP combats. Travel through the Tesla portal to a dangerous parallel world, lead the squad of reckless mercenaries, and outrage mighty corporations and cliques.
Why similar: Massively Multiplayer 79.4%, Strategy 10.3%, Sci-fi 10.3%
- #18 Star Conflict
81% 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 51.6%, Sci-fi 18.1%, Open World 13.6%, RPG 12.8%, Action 3.9%
- #19 Sphere 3
82% matchMixed54% of 522 reviews2015
Dev: GameXP.com
Windows
Median: 1.1 hrsMean: 7.0 hrs≥1hr: 52%
Sphere 3 is an MMORPG featuring large-scale castle sieges with siege engines, epic battles with ancient monsters, a flexible progression system, and a non-target combat system. Join Sphere 3, become a legend!
Why similar: MMORPG 35.9% ★, Massively Multiplayer 35.1%, RPG 9.6%, Open World 8%, Multiplayer 3.8%
- #20 Dungeons & Dragons Online®
81% 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 33.6%, RPG 10.7%, Open World 5.4%, Multiplayer 3.3%
- #21 Eldevin
79% matchMostly Positive80% of 1,790 reviews2014
Dev: Hunted Cow Games
Windows · Mac · Linux
Median: 1.0 hrsMean: 36.1 hrs≥1hr: 49%
Eldevin is the award winning indie story-driven Free to Play MMORPG (Massively Multiplayer Online Role Playing Game) from Hunted Cow Studios. Join thousands of other players and explore the mystical lands of Eldevin.
Why similar: Massively Multiplayer 42.2%, MMORPG 38.4% ★, RPG 11.2%, Open World 6.1%, Adventure 1.6%
- #22 Tanki Online
78% matchMixed62% of 6,936 reviews2017
Dev: Alternativa Game Ltd.Pub: APL Publishing Ltd.
Windows · Mac · Linux
Median: 1.2 hrsMean: 27.6 hrs≥1hr: 53%
Tanki Online is the free-to-play MMO-shooter with real-time PvP-battles. Throw yourself into furious tank battles shoulder to shoulder with other living players and master your skills – destroy enemy tanks, customize your futuristic armored vehicle and compete with tankers from all over the world.
Why similar: Massively Multiplayer 68%, Sci-fi 20.1%, Futuristic 8%, Action 3.8%
- #23 Dream Of Mirror Online
78% matchMixed59% of 558 reviews2015
Dev: SoftStarPub: SubaGames
Windows
Median: 24 minMean: 12.4 hrs≥1hr: 36%
Behold an anime-themed land of wonders, friendship and skill, shrouded in the mysteries of an ancient world yours to explore. Forge relationships and find new friends, take up a job, or soar through the majestic skies as you rediscover a social MMORPG beloved by many around the world!
Why similar: Massively Multiplayer 52%, MMORPG 31.5% ★, RPG 10%, Adventure 3.7%, Multiplayer 2.9%
- #24 Rebirth Online
77% matchMixed43% of 351 reviews2020
Dev: Caret Games
Windows
Adventures await in a world brought to life by realistic graphics! Experience genuine adventures in the grand world of Rebirth Online. Battle, craft, explore, and combine different types of equipment and abilities to create your own style of play.
Why similar: Massively Multiplayer 55.1%, MMORPG 24.2% ★, RPG 13.2%, Open World 6.5%, Action 1%
- #25 Second Galaxy
76% 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 58.9%, RPG 13.9%, Sci-fi 11.4%, Open World 10.1%, Strategy 5.8%
- #26 EverQuest II
76% 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: Massively Multiplayer 40.5%, MMORPG 38.5% ★, RPG 10.4%, Open World 5.2%, Multiplayer 2%
- #27 Therian Saga
75% matchMostly Positive73% of 572 reviews2017
Dev: Virtys
Windows
Median: 1.1 hrsMean: 42.3 hrs≥1hr: 50%
Therian Saga is a MMORPG that tries to stand out of the crowd by offering a compelling storytelling surrounded by a massive mathematical set of rules that define the world your hero will evolve in. It could be said that it borrows elements from old-time MUD games, strategy games and even tabletops RPG.
Why similar: Massively Multiplayer 37.3%, MMORPG 30.9% ★, RPG 10%, Open World 7.5%, Strategy 4.3%
- #28 Albion Online
72% matchMostly Positive79% of 91,532 reviews2018
Dev: Sandbox Interactive GmbH
Windows · Mac · Linux
Median: 3.5 hrsMean: 82.8 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 45.5% ★, Massively Multiplayer 32.9%, Open World 10.8%, RPG 6.4%, Multiplayer 2.9%
- #29 EVE Online
74% 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 49.8%, Sci-fi 17.5%, Open World 16.1%, Adventure 6%, Strategy 5.7%
- #30 LuckCatchers
75% matchMixed55% of 812 reviews2016
Dev: DiP Online
Windows
Median: 42 minMean: 9.9 hrs≥1hr: 38%
Massively multiplayer online game in the world of magic and steam. Become a pirate or a trader, a carrier or a manufacturer in this unfriendly world inhabited by dragons.
Why similar: Massively Multiplayer 62.2%, RPG 15.8%, Open World 12.9%, Strategy 6.8%, Multiplayer 1.3%
- #31 Entropia Universe
70% matchMixed63% of 454 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 49.1% ★, Sci-fi 14.8%, Open World 11.2%, Massively Multiplayer 9.7%, RPG 6%
- #32 Astroflux
73% matchMostly Positive72% of 345 reviews2016
Dev: Fula Fisken
Windows · Mac
Median: 3.1 hrsMean: 18.4 hrs≥1hr: 69%
Play Astroflux - a retro styled, action packed MMO space shooter.
Why similar: Massively Multiplayer 71.3%, RPG 16.6%, Adventure 6.7%, Action 5.4%
- #33 Wurm Online
71% matchMixed63% of 2,533 reviews2020
Dev: Code Club AB
Windows · Mac · Linux
Median: 54 minMean: 39.2 hrs≥1hr: 47%
A sandbox MMORPG that has pushed the boundaries on what it means to be open world and stood the test of time. Dig, mine, shape the world around you and make your lasting mark!
Why similar: Massively Multiplayer 45.1%, MMORPG 33.6% ★, RPG 11.7%, Adventure 4.2%, Open World 4%
- #34 Throne and Liberty
67% 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 43.3% ★, Massively Multiplayer 31.5%, Open World 8.9%, RPG 7.9%, Character Customization 2.5%
- #35 RIFT
71% 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 45.8% ★, Massively Multiplayer 31.2%, Open World 8.4%, RPG 8.3%, Multiplayer 2.6%
- #36 Iverian Wars: Craxion vs Defugel
69% matchMostly Negative32% of 545 reviews2026
Dev: Zemi Interactive
Windows
A free-to-play action MMORPG featuring solo adventure, co-op battles, and intense online PvP in a vast multiplayer world. Strengthen your character through RPG progression, collect powerful gear, and carve out your own path through war and exploration.
Why similar: Massively Multiplayer 45.6%, MMORPG 28.4% ★, RPG 12.4%, Open World 6.2%, Multiplayer 2.5%
- #37 NosTale - Anime MMORPG
70% matchMostly Positive70% of 3,592 reviews2017
Dev: Entwell Co., Ltd.Pub: Gameforge 4D GmbH
Windows
Median: 1.0 hrsMean: 69.8 hrs≥1hr: 50%
NosTale is a free-to-play anime action MMORPG which takes you on an exciting journey through a world full of mystery with your friends. More than 30 specialist classes and tons of loyal pets provide plenty of excitement and variety in PvP, PvE and raids
Why similar: MMORPG 45.4% ★, Massively Multiplayer 34.6%, RPG 7.1%, Open World 4.5%, Adventure 2.8%
- #38 Scions of Fate
70% matchMixed66% of 177 reviews2018
Dev: MGAME CorporationPub: NETGAME Inc
Windows
Scion of Fate Online, one of the top MMORPG game in the history, now available on Steam.
Why similar: Massively Multiplayer 80.1%, RPG 19.9%
- #39 Deepworld
71% matchMixed61% of 738 reviews2015
Dev: Bytebin
Windows
Median: 36 minMean: 12.6 hrs≥1hr: 42%
Deepworld is a massively-multiplayer 2D crafting adventure game. Mine and craft your way through a persistent online universe where there's always something new to discover. Battle frightening monsters, mysterious automatons, and other players in PvP!
Why similar: Massively Multiplayer 71%, RPG 14.7%, Adventure 6.6%, Action 4.6%, Multiplayer 3.2%
- #40 Trimurti Online
68% matchMixed47% of 262 reviews2024
Dev: GameOlic Development Studio
Windows
Relive the classic gameplay of an old-school MMORPG. Select a class that suits your style and join your friends to explore the vast world of Trimurti Online. Upgrade your equipment and maximize your skills, face monsters and bosses, conquer dungeons.
Why similar: MMORPG 42.1% ★, Massively Multiplayer 32.4%, RPG 15.8%, Open World 5.4%, Character Customization 2.5%
- #41 STAR WARS™: The Old Republic™
65% 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 39.6% ★, Massively Multiplayer 23.4%, Open World 9.3%, Sci-fi 8.4%, RPG 7.4%
- #42 Anomaly Zone
69% matchMixed48% of 988 reviews2019
Dev: NEW STORY GAMESPub: MALSER LLC
Windows
Median: 36 minMean: 57.1 hrs≥1hr: 33%
Anomaly Zone is an open world MMORPG and a post-apocalyptic shooter. Be a scientist, a soldier, a hunter or an engineer. Explore anomalous territories, search for artifacts, fight mutants and other players. Participate in mass PvP and PvE battles. The Zone is waiting!
Why similar: Massively Multiplayer 65.4%, RPG 17.1%, Open World 9%, Action 4.8%, Multiplayer 3.7%
- #43 The Infinite Black
68% matchMixed66% of 213 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 73.2%, RPG 18%, Strategy 8.8%
- #44 Imperia Online
68% matchMixed59% of 312 reviews2016
Dev: Imperia Online JSC
Windows
Median: 2.0 hrsMean: 28.1 hrs≥1hr: 62%
Imperia Online brings you into a world, which exists in the times before the age of gunpowder. It is the world of the sharp blade, long bow and war horse. Experience the vast amount of gameplay mechanics and compete with thousands of players in a totally realistic medieval strategic simulation!
Why similar: Massively Multiplayer 77.3%, Strategy 9.4%, Multiplayer 8.9%, Action 4.4%
- #45 Villagers and Heroes
67% matchMixed61% of 3,439 reviews2014
Dev: Mad Otter Games
Windows
Median: 48 minMean: 12.1 hrs≥1hr: 44%
Enter a magical, 3D fantasy world filled with hundreds of unique locales, immersive lore, and exciting quests -- and it's all free to play. Join thousands of players from around the world, and be part of a one of a kind community.
Why similar: Massively Multiplayer 47%, MMORPG 26.2% ★, RPG 11.4%, Open World 8.3%, Multiplayer 3.7%
- #46 Crystal of Atlan
62% matchMixed64% of 444 reviews2025
Dev: Nuverse Pte.Ltd.Pub: Skystone Games
Windows
Median: 54 minMean: 16.7 hrs≥1hr: 45%
Crystal of Atlan is a Magicpunk MMO Action RPG where you can immerse yourself in a Magicpunk world. Build your skills, fight and uncover the secrets of this world with your allies! Time to embark on a wondrous journey of Magic and Machinery!
Why similar: MMORPG 42.8% ★, Massively Multiplayer 27.2%, RPG 16.7%, Adventure 6.8%, Action 5%
- #47 ASU Global
66% matchMostly Negative23% of 64 reviews2023
Dev: Voocle, Inc
Windows
The beginning of an exciting MMORPG.
Why similar: MMORPG 43.2% ★, Massively Multiplayer 20.8%, Sci-fi 13.5%, RPG 12.3%, Open World 7%