Kings and Legends
2013Browser online card game · Free-to-play
Status
Active MMOs
Browse 1,121 active mmos in MMOFinder with researched lifecycle status, platforms, business models, genres and profile depth.
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Kisnard Online
2015Cross-platform 2D fantasy sandbox MMORPG · Free-to-play
KlassX Online
20263D school-war MMORPG · Free-to-play / open testing
Knight Online
2004Nation-war fantasy MMORPG · Free-to-play
KnightFight
2005Persistent medieval browser MMORPG · Free-to-play / premium
Kyn
2015Session-based Tactical Action RPG (single-player) · Buy-to-play
L2wap
2026Browser fantasy MMORPG · Free-to-play
La Tale
20172D side-scrolling MMORPG · Free-to-play
Land of Nevard
2026Persistent medieval browser RPG/MMO · Free-to-play
Laryen: AI Protocol
2026Sci-fi action MMORPG · Free-to-play / in-app purchases
Last Epoch
—Online action RPG · Buy-to-play
Last Oasis
—Survival MMO · Buy-to-play
LaTale
20092D side-scrolling fantasy MMORPG · Free-to-play
Latitude
2004Social MUCK persistent world · Free-to-play
Laurum Online
20182D open-world MMORPG · Free-to-play / in-app purchases
Lawl Online MMORPG
20202D pixel fantasy MMORPG · Free-to-play / in-app purchases
League of Angels
2013MMO / Online Game · Free-to-play
League of Angels - Heaven's Fury
2020Isometric action MMORPG · Free-to-play
League of Angels II
—Browser MMORPG · Free-to-play
League of Angels III
2018Browser turn-based MMORPG · Free to play
League of Legends
2009MMO / Online Game · Free-to-play
League of Legends: Wild Rift
—Mobile MOBA · Free-to-play
Leap of Fate
2016Session-based Roguelite Action RPG (single-player) · Buy-to-play
Left to Survive
2018Session-based Mobile Shooter (base-building) · Free-to-play
Legend Lord: Classic MMORPG
2026Idle-supported fantasy MMORPG · Free-to-play / in-app purchases
Legend of Edda: Pegasus
—Greek-mythology fantasy MMORPG · Free-to-play
Legend of Grimrock 2
—RPG · Buy-to-play
Legend of Mir
—Fantasy MMORPG · Free-to-play
Legend of Mir 2
—Fantasy MMORPG · Free-to-play
Legend of YMIR
2026Norse-fantasy cross-platform MMORPG · Free-to-play
Legend of Zelda: Breath of the Wild
—Action adventure RPG · Buy-to-play
LegendMUD
1994Historical MUD/MMORPG · Free-to-play
Legends of Equestria
2017Fan-made MMORPG · Free-to-play (donation-supported)
Legends of Honor
—Browser strategy MMO · Free-to-play
Legends of Persia
2014Action RPG (single-player) · Paid (one-time purchase)
Legends of Runeterra
—Online card game · Free-to-play
Legends of the Jedi
1999Science-fiction roleplay MUD/MMORPG · Free-to-play
Legends of War
2026Fantasy MUD/MMORPG · Free-to-play
Lensmoor
1995Fantasy roleplay MUD/MMORPG · Free-to-play
Lichdom: Battlemage
—Action RPG · Buy-to-play
Life is Feudal: Arden
2025Medieval sandbox MMORPG · Free-to-play
Life is Feudal: MMO
—Sandbox MMORPG · Subscription (relaunch; originally buy-to-play)
Lineage
1998MMORPG · Free-to-play
Lineage 2 Aden
2021Fantasy MMORPG · Free to play
Lineage 2 Essence
2026Fantasy MMORPG · Free to play
Lineage 2: Revolution
2017Mobile open-world fantasy MMORPG · Not yet verified
Lineage 2M
—Cross-platform open-world fantasy MMORPG · Free-to-play
Lineage Classic
2026Classic isometric PvP MMORPG · Subscription
Lineage II
2003Fantasy MMORPG · Free-to-play / service version varies
Lineage M
2017Cross-platform classic Lineage MMORPG · Not yet verified
Lineage W
—Cross-platform isometric fantasy MMORPG · Free-to-play
Little Potion Garden
2026Cozy browser lite-MMO · Free-to-play with optional premium
Lord of Chains
—Text-based strategy MMO · Free-to-play
Lord of the Lands
2026Text-based medieval fantasy MMO · Free-to-play
Lord's Road
—Fantasy browser MMORPG · Free-to-play
LORDNINE: Infinite Class
2024Cross-platform class-building fantasy MMORPG · Free-to-play / in-app purchases
LordOfChains
2026Text-based strategy MMORPG · Free-to-play
Lords of The Fallen
—Action RPG · Buy-to-play
Lords Online
2010MMORTS · Free-to-play
Lost Ark
2022Isometric fantasy action MMORPG · Free-to-play
Lost Dimension
2014Tactical role-playing (single-player) · Buy-to-play
Lost Skies
2025Session-based Co-op Survival Sandbox (up to 5 players) · Buy-to-play
Lost Souls
1990Fantasy LPMud/MMORPG · Free-to-play
Lost Wishes
1996Fantasy MUD/MMORPG · Free-to-play
LunaM: PH
2024Regional anime fantasy MMORPG · Free-to-play / in-app purchases
Lunia Z
2024Arcade-style online action RPG · Free-to-play with optional purchases
Lusternia
2004Text-based multi-planar fantasy MMORPG / MUD · Free-to-play
Lusternia: Age of Ascension
2004Text-based fantasy MUD · Free-to-play
M*U*S*H
1996Social MUSH persistent world · Free-to-play
Mabinogi
2004Fantasy life MMORPG · Free-to-play
Mabinogi Mobile
2025Cross-platform social fantasy MMORPG · Free-to-play
Maelstrom
—Session-based naval battle royale (not a persistent MMO) · Free-to-play
MafiaEmpire1955
2026Browser crime MMORPG · Free-to-play
Magic: The Gathering Arena
—Online card game · Free-to-play
MagicDuel Openworld Adventure
2005Browser fantasy MMORPG · Free-to-play
Maiu Online
20243D browser fantasy MMORPG · Free-to-play / alpha
MapleStory
20032D side-scrolling MMORPG · Free-to-play
MapleStory M
2016Cross-platform side-scrolling mobile MMORPG · Free-to-play
March to Rome
—Historical browser MMORTS · Free-to-play
Margonem
2006Pixel-art browser fantasy MMORPG · Free-to-play with optional purchases
Marosia
2017Persistent browser roleplay MMO · Free-to-play
Marvel Rivals
—Online hero shooter · Free-to-play
Marvel Snap
—Online card game · Free-to-play
Marvel: Puzzle Quest
—Online puzzle RPG · Free-to-play
Masked City
2026Urban hero-villain browser multiplayer RPG · Free-to-play beta
Mass Effect Legendary Edition
—Action RPG · Buy-to-play
Mass Effect: Andromeda
—Action RPG · Buy-to-play
Master of Epic
2005Skill-based Japanese fantasy sandbox MMORPG · Free-to-play with optional item purchases
Materia Magica
1996Fantasy MUD/MMORPG · Free-to-play
Mech Arena
2021Online mech shooter · Free-to-play
MechWarrior 5: Mercenaries
—Single-player/co-op mech action game · Premium (one-time purchase)
MechWarrior Online
2013MMO / Online Game · Free-to-play
Medieval Times MUD
2000Medieval fantasy MUD/MMORPG · Free-to-play
Menblatt-RO
2025Classic Ragnarok-style MMORPG · Free-to-play
Metalcore
—Open-world Mech Combat MMO · Free-to-play (with Web3/blockchain asset ownership)
Metin2
2004Three-kingdom action MMORPG · Free-to-play
Metin: Prelude to Destruction
2025Korean 2D faction-war MMORPG · Free-to-play / in-app purchases
Microvolts
2010Online shooter · Free-to-play
MicroVolts: Recharged
2023Toy-themed multiplayer third-person shooter · Free-to-play with optional purchases
Middle-earth: Shadow of Mordor
—Action RPG · Buy-to-play
Midnight, Equestria
2024Cooperative fantasy MUD/MMORPG · Free-to-play
Might and Magic X: Legacy
—Single-player first-person RPG (not a persistent MMO) · Buy-to-play
Might of Spells
2026Top-down open-world sandbox MMORPG · Open alpha / free testing
Minecraft
—Online sandbox game · Buy-to-play
Minecraft Dungeons
—Online action RPG · Buy-to-play
Mini Royale: Nations
2021Blockchain-based lobby multiplayer shooter · Free-to-play
MIR4
—Cross-platform martial-arts blockchain MMORPG · Free-to-play
Mirage Online Classic
20202D Browser MMORPG · Free-to-play
Miriani
2006Science-fiction MOO/MMORPG · Free-to-play
Monster Hunter 4: Ultimate
—Online action RPG · Buy-to-play
Monster Hunter Rise
—Online action RPG · Buy-to-play
Monster Hunter World
—Online action RPG · Buy-to-play
monsterion
2026Monster open-world MMO · Early Access
MonsterMMORPG
2009Fantasy browser MMORPG · Free-to-play
Moonshadow: Cloudscape Legends
20263D fantasy MMORPG · Free-to-play / in-app purchases
Moral Decay
1992Persistent fantasy MUD/MMORPG · Free-to-play
Mordhau
—Online action game · Buy-to-play
Mordor MUD
1990Fantasy MUD/MMORPG · Free-to-play
Mortal Shell
—Action RPG · Buy-to-play