- #1 Star Trek Online
96% matchMostly Positive79% of 21,241 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 134.7 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 36.3%, MMORPG 29.2% ★, Space 14.4%, Sci-fi 5.5%, Open World 4.6%
- #2 MythicMonsterOutlaws
96% matchNo user reviews
Dev: BestGameStudios
Windows
Skip the grind and dive into an MMO focused entirely on skill-based PvP and PvE combat. Unlock weapons and skills to expand your build variety, not your power. Competitive leaderboards, instanced raids, and fast-paced arenas—mythic combat starts the moment you create a character.
Why similar: Massively Multiplayer 45%, MMORPG 32.9% ★, PvP 6.9%, PvE 5.7%, Online Co-Op 5.2%
- #3 Beyond Orbit
95% matchNo user reviews2026
Dev: Beyond Orbit Games
Windows
A persistent-world space MMO where you mine, craft, trade, and fight alongside your guild. Build your ship, run dangerous routes, and pick a side in a three-way conflict centuries in the making.
Why similar: Massively Multiplayer 40.1%, MMORPG 31.2% ★, Space 11.8%, PvE 4%, Open World 3.5%
- #4 Starship Empire
94% matchNo user reviews
Dev: Bantam City Games
Windows · Linux
Starship Empire is an intense PvP-filled space MMO where you not only lead your ship into epic battles, but manage the entire crew inside!
Why similar: Massively Multiplayer 50.4%, MMORPG 19.8% ★, Space 12.9%, PvP 8.6%, Sci-fi 3.7%
- #5 Gangs of Space
91% matchMostly Positive76% of 431 reviews2017
Dev: Little Big MMO
Windows · Mac · Linux
Median: 1.1 hrsMean: 289.5 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 40.6%, MMORPG 26.4% ★, Space 10.2%, Top-Down Shooter 9.3%, Online Co-Op 4.7%
- #6 Rise of Agon
91% matchNo user reviews
Dev: Big Picture Games
Windows
Rise of Agon is a fantasy MMORPG with fast paced, competitive first person combat, a vast and seamless open world and a game focused on risk vs reward. Join battles of thousands of players in an open PvP environment where player skill and group strategy determines the outcome.
Why similar: Massively Multiplayer 44%, MMORPG 33.5% ★, PvP 7.4%, PvE 6.2%, Open World 6.2%
- #7 AEXXOS
90% matchMixed51% of 39 reviews2026
Dev: SPARTAN GAMES
Windows
Command 25 ship variants with 20+ upgrades in a living, multiplayer galaxy. Explore, trade, mine, and fight epic real-time battles. Forge alliances or betray rivals—your choices shape the universe. Dive into stunning space combat now!
Why similar: MMORPG 34.4% ★, Massively Multiplayer 34.2%, Space 8.1%, Sci-fi 4.6%, PvP 4%
- #8 Echofall
89% matchNo user reviews
Dev: Echo Studios
Windows
A fun filled shooter game with multiple game modes, single player and multiplayer action. Hop into Ravenquest today and experience what the newest FPS has to offer.
Why similar: Massively Multiplayer 39.3%, MMORPG 38.1% ★, PvP 7.4%, Open World 4.9%, PvE 4.8%
- #9 Knight Online
87% matchMixed51% of 11,247 reviews2016
Dev: Noah SystemPub: NTTGame
Windows
Median: 48 minMean: 166.6 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 47.3% ★, Massively Multiplayer 37.2%, PvP 6.5%, Open World 4.9%, Multiplayer 2.3%
- #10 Throne and Liberty
85% matchMixed67% of 68,715 reviews2024
Dev: NCPub: Amazon Game Studios
Windows
Median: 4.7 hrsMean: 78.6 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 40.7% ★, Massively Multiplayer 32.8%, Open World 7.4%, PvP 7.2%, PvE 5%
- #11 Champions of Regnum
86% matchMixed68% of 1,241 reviews2013
Dev: Nimble Giant Entertainment
Windows · Mac · Linux
Median: 1.2 hrsMean: 52.3 hrs≥1hr: 55%
Choose your Realm and engage in the most dynamic player driven battlefield available on any MMO. Fight for the Alsius Empire, protect the woods of Syrtis or avenge the Brotherhood of Ignis.
Why similar: Massively Multiplayer 50.3%, MMORPG 34.9% ★, PvP 6.4%, Open World 5.4%, Multiplayer 3%
- #12 New World: Aeternum
84% matchMixed67% of 296,918 reviews2021
Dev: Amazon Game Studios
Windows
Median: 58.8 hrsMean: 197.5 hrs≥1hr: 98%
Experience a thrilling action RPG set on the supernatural island of Aeternum. Forge your destiny on an adventure filled with danger and opportunity.
Why similar: Massively Multiplayer 39%, MMORPG 36.6% ★, Open World 8.6%, PvP 6.8%, PvE 5.1%
- #13 Runes of Magic
84% matchMixed69% of 1,543 reviews2018
Dev: Runewaker EntertainmentPub: Gameforge 4D GmbH
Windows
Median: 1.0 hrsMean: 43.4 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: Massively Multiplayer 39.9%, MMORPG 39.5% ★, PvP 5.2%, Online Co-Op 4.4%, PvE 3.5%
- #14 Crownless
81% matchNo user reviews
Dev: HolyTrinityGames
Windows
Forge your path in Crownless, an indie-fantasy MMORPG with many roads to explore. Discover dangerous worlds, experience meaningful progression, and engage with the community along your journey!
Why similar: Massively Multiplayer 45.6%, MMORPG 34.7% ★, PvP 8.4%, PvE 6.9%, Action 2.4%
- #15 Magic Soldier
80% matchMostly Positive78% of 41 reviews2025
Dev: Triquiteur
Windows
Embark on an epic journey in Magic Soldier, a 2D open-world MMORPG. Explore vast landscapes, fight powerful foes, craft unique items, and team up with players worldwide. Adventure awaits, shape your destiny today !
Why similar: Massively Multiplayer 54.2%, MMORPG 38.9% ★, Open World 6.9%
- #16 Anarchy Online
81% matchVery Positive82% of 287 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 50.2%, MMORPG 34.7% ★, Sci-fi 6.2%, Open World 5.2%, Action 2.2%
- #17 Velanor
78% matchNo user reviews
Dev: Cactus Candle
Windows
Velanor is a 2D pixel-art MMORPG with top-down action combat utilizing WASD/click-to-move and tab-targeting. We offer challenging dungeons, unique character builds, and gear worth grinding for.
Why similar: Massively Multiplayer 49.3%, MMORPG 30% ★, PvP 8%, PvE 6.6%, Open World 3.4%
- #18 Astro Lords
76% matchMixed65% of 230 reviews2015
Dev: Aratog LLCPub: Conglomerate 5
Windows · Mac · Linux
Median: 48 minMean: 6.2 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 27%, MMORPG 23.2% ★, Spaceships 14.6% ★, Space 11.4%, PvP 6.3%
- #19 Dream Of Mirror Online
76% matchMixed59% of 560 reviews2015
Dev: SoftStarPub: SubaGames
Windows
Median: 24 minMean: 12.3 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 58.4%, MMORPG 32.2% ★, PvP 6.8%, Multiplayer 2.6%
- #20 Locus Solus
75% matchNo user reviews
Dev: KURONEKO SOFT
Windows
This game is a massively multiplayer online game focused on freely searching, adventuring and life. Experience real-time social interaction with thousands of people in the same exciting game world. Meet new friends and foes, engage in group combat, venture off to uncharted lands, or visit a tavern and chat with players from around the...
Why similar: Massively Multiplayer 57.3%, MMORPG 32.6% ★, Open World 6.3%, Action 3.8%
- #21 NosTale - Anime MMORPG
74% matchMostly Positive70% of 3,628 reviews2017
Dev: Entwell Co., Ltd.Pub: Gameforge 4D GmbH
Windows
Median: 1.0 hrsMean: 69.5 hrs≥1hr: 49%
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 46.2% ★, Massively Multiplayer 38.8%, Open World 4%, PvP 3.2%, PvE 2.8%
- #22 Eldevin
72% matchMostly Positive80% of 1,792 reviews2014
Dev: Hunted Cow Games
Windows · Mac · Linux
Median: 1.0 hrsMean: 36.4 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 51.2%, MMORPG 42% ★, Open World 6%, Action 0.7%
- #23 Project: Gorgon
70% matchVery Positive82% of 5,045 reviews2026
Dev: Elder Game, LLC
Windows · Mac · Linux
Median: 11.7 hrsMean: 85.4 hrs≥1hr: 91%
Project: Gorgon is a fantasy MMORPG that allows you to forge your own path through exploration and discovery.
Why similar: Massively Multiplayer 63.5%, MMORPG 33.2% ★, Open World 3.3%
- #24 Neverwinter
71% matchMostly Positive77% of 39,632 reviews2013
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.3 hrsMean: 40.6 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 46.9% ★, Massively Multiplayer 37.5%, Open World 4.9%, PvP 3.5%, Multiplayer 2.9%
- #25 Blade & Soul NEO
70% matchMixed41% of 1,025 reviews2025
Dev: NC
Windows
Median: 1.3 hrsMean: 8.2 hrs≥1hr: 51%
Relive an iconic tale with Blade & Soul NEO. Fully remastered where players reconnect with the original spirit of the free-to-play, open-world MMORPG. Experience a richer visually enhanced experience set in a world of Wuxia mythology where fast-paced combat collides with the stunning visual beauty.
Why similar: Massively Multiplayer 34.8%, MMORPG 33.9% ★, PvP 7.9%, Open World 7.1%, PvE 6.4%
- #26 Rebirth Online
71% matchMixed43% of 353 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 63.3%, MMORPG 25.1% ★, Open World 6%, PvP 4.5%, Action 1.2%
- #27 RuneScape ®
69% matchVery Positive82% of 27,146 reviews2020
Dev: Jagex Ltd
Windows · Mac
Median: 1.2 hrsMean: 101.7 hrs≥1hr: 53%
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 41.1% ★, Massively Multiplayer 37.3%, Open World 8.6%, PvP 4.9%, PvE 4.4%
- #28 Kaion Tale MMORPG
69% matchMostly Positive77% of 512 reviews2020
Dev: Mobile Co Studios
Windows · Mac · Linux
Enter a magical 2D world online with thousands of players in this MMORPG! Make new friends and play with thousands online! The adventure is yours.
Why similar: Massively Multiplayer 60.8%, MMORPG 38.6% ★, 2D 0.6%
- #29 The Lands of Eldyn
69% matchMixed42% of 31 reviews2021
Dev: theEndian
Windows · Linux
Eldyn is a dark, medieval hack and slash MMO where you conquer territory from other players to gain Valor, unlocking new abilities and powers along the way. Team up with friends for a massively coop experience or fight it out against other players.
Why similar: Massively Multiplayer 34%, MMORPG 32.5% ★, Online Co-Op 8.5%, PvP 8.3%, PvE 5.8%
- #30 Helbreath USA
67% matchMixed52% of 25 reviews2025
Dev: Helbreath USA
Windows
Helbreath USA brings relentless action and strategic warfare as Elvine and Aresden battle for supremacy. Engage in massive PvP, conquer towns, hunt rare monsters, and customize your hero with powerful spells and gear. Forge alliances, claim treasures, and leave your mark on the battlefield.
Why similar: Massively Multiplayer 38.4%, MMORPG 36.3% ★, PvP 13.7%, PvE 9.2%, Multiplayer 1.7%
- #31 Aura Kingdom - Impact
68% matchMostly Negative35% of 727 reviews2025
Dev: X-Legend Entertainment Co., Ltd.
Windows
Median: 1.3 hrsMean: 11.1 hrs≥1hr: 57%
[Aura Kingdom: Impact] is an anime-style fantasy MMORPG. Explore a vast world, fight with dynamic skills, and switch classes freely. Summon Eidolons to aid in battle. Try the new Floating Cannon class with powerful ranged combos and seamless skill use.
Why similar: MMORPG 38.2% ★, Massively Multiplayer 34.9%, PvP 7%, PvE 5.2%, Open World 4.7%
- #32 Downfall MMORPG
67% matchMixed52% of 83 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 39.6% ★, Massively Multiplayer 31.7%, Open World 6.7%, Space 6.3%, PvP 6.1%
- #33 FINAL FANTASY® XI: Ultimate Collection Seekers Edition
68% matchVery Positive88% of 441 reviews2013
Dev: Square Enix
Windows
Median: 6 minMean: 29.5 hrs≥1hr: 26%
BEGIN A NEW JOURNEY WITH THE COMPLETE EDITION OF FINAL FANTASY XIEnter an online multiplayer RPG that challenges players to journey through the world of Vana’diel® — a world of fantasy, adventure, and exploration.Heed the call and join players from around the world to become the hero that Vana’diel needs.
Why similar: Massively Multiplayer 67.1%, MMORPG 32.9% ★
- #34 Albion Online
66% matchMostly Positive78% of 93,202 reviews2018
Dev: Sandbox Interactive GmbH
Windows · Mac · Linux
Median: 3.5 hrsMean: 84.4 hrs≥1hr: 73%
Albion Online is a fantasy sandbox MMORPG featuring a player-driven economy, classless combat system, and intense PvP battles. Explore a vast open world full of danger and opportunity. Grow your wealth, forge alliances, and leave your mark on the world of Albion.
Why similar: MMORPG 44.1% ★, Massively Multiplayer 35.2%, Open World 9.2%, PvP 5.6%, PvE 2.9%
- #35 Dragon Saga
67% matchMixed65% of 1,514 reviews2015
Dev: Gravity Interactive
Windows
Median: 1.2 hrsMean: 38.2 hrs≥1hr: 53%
Dragon Saga is a f2p arcade style side scrolling 3D Fantasy MMORPG set in a world of Dragons and magic. Choose one of four classes (Warrior, Mage, Thief, and Archer) and explore a rich world filled with unique monsters. Power up to unlock devastating abilities, hidden combos and hilarious effects.
Why similar: Massively Multiplayer 47.5%, MMORPG 44.5% ★, PvP 3.6%, Action 2.4%, Multiplayer 2.1%