Heroes of Might and Magic Online
2008Browser MMORPG · Free to play
Category
Browser MMOs
Browse 559 browser mmos in MMOFinder with researched status, platforms, business models, combat styles and related MMO features.
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Related discovery hubs include MMORPGs, Sandbox MMOs, Crafting, Open World, and PvE.
HeroSmash
—Browser superhero MMORPG · Free-to-play
Hordes
2016Browser MMORPG · Free-to-play
Horseland
1998Sim horse game · Free-to-play
Huntoria Online
2026Browser fantasy MMORPG · Free-to-play early access
Iberia
2013Historical roleplay MUD/MMORPG · Free-to-play
Icesus
1995Persistent fantasy MUD/MMORPG · Free-to-play / nonprofit
Idlemir
2026Browser idle MUD/MMORPG · Free-to-play
IdleWorlds
2026Idle browser MMO RPG · Free-to-play
ifMUD
1997Interactive-fiction social MUD · Free-to-play
IgorMud
1991Multitheme LPMud/MMORPG · Free-to-play
Ikariam
2008Historical MMORTS · Free to play with optional premium currency (Ambrosia)
Illyriad
2011Browser 4X grand strategy MMO · Free to play
Immortal Day
2013Browser text-based MMORPG · Free to play
Infamis
2026Browser crime MMORPG · Free-to-play
Inferno Legend
2013Dark fantasy browser MMORPG · Free-to-play
Inked-Mafia
2011Browser social RPG · Free-to-play
Interstellar Empires
2026Browser sci-fi MMORTS · Free-to-play open beta
Inventaverse
20202D sandbox creation MMO · Free-to-play
Iron Grip: Marauders
2011Browser strategy MMO · Free-to-play
Iron & Velvet
2026Cyberpunk/social roleplay MUD/MMORPG · Free-to-play
Island Forge
—Indie sandbox MMORPG (player-created content) · Free-to-play (one-time membership option)
Islandoom
—Browser strategy MMO · Free-to-play
Islands of Myth
1996Fantasy LPMud/MMORPG · Free-to-play
JediMUD
1992Science-fiction/fantasy MUD/MMORPG · Free-to-play
Juggernaut
2012Browser fantasy MMORPG · Free-to-play
Kallisti MUD
1992Fantasy MUD/MMORPG · Free-to-play
Kartuga
2012Browser pirate-themed MMO · Free to play
KDice
2006Session-based Multiplayer Dice Strategy Game · Free-to-play
Kelvast
20263D browser MMORPG · Free-to-play / early development
Keys
2020Supernatural roleplay MUSH · Free-to-play
Kingdom of Drakkar
—Online RPG / proto-MMORPG · Free-to-play (optional subscription)
Kingdom of Loathing
2003Turn-based browser comedy MMORPG · Free-to-play
Kingory
2010Browser MMORTS · Free-to-play
Kings and Legends
2013Browser online card game · Free-to-play
King's Bounty: Legions
2011Fantasy turn-based MMO strategy · Free-to-play
Kings Era
2014Browser MMORTS · Free-to-play
Kings of the Realm
2014Cross-platform MMORTS · Free to play
KingsRoad
—Browser action RPG · Free-to-play
Kiwarriors
—Browser Anime MMORPG · Free-to-play
KnightFight
2005Persistent medieval browser MMORPG · Free-to-play / premium
Knights Fable
—Fantasy Browser MMORPG · Free-to-play
L2wap
2026Browser fantasy MMORPG · Free-to-play
Land of Nevard
2026Persistent medieval browser RPG/MMO · Free-to-play
Lands of Hope: Redemption
—Browser MMORPG · Not yet verified
Latitude
2004Social MUCK persistent world · Free-to-play
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
LegendMUD
1994Historical MUD/MMORPG · Free-to-play
Legends of Honor
—Browser strategy MMO · 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
Liberators
2016Browser strategy MMO · Free-to-play
Light of Nova
2011Browser sci-fi MMORTS · Free-to-play
Little Potion Garden
2026Cozy browser lite-MMO · Free-to-play with optional premium
Lord of the Lands
2026Text-based medieval fantasy MMO · Free-to-play
LordOfChains
2026Text-based strategy MMORPG · Free-to-play
Lord's Road
—Fantasy browser MMORPG · Free-to-play
Lost Souls
1990Fantasy LPMud/MMORPG · Free-to-play
Lost Wishes
1996Fantasy MUD/MMORPG · Free-to-play
Lusternia
2004Text-based multi-planar fantasy MMORPG / MUD · Free-to-play
M*U*S*H
1996Social MUSH persistent world · Free-to-play
Mad World
—Browser MMORPG · Not yet verified
MafiaBullet Online
—Browser Mafia MMORTS · Free-to-play
MafiaEmpire1955
2026Browser crime MMORPG · Free-to-play
MafiaShot
—Browser social RPG · Not yet verified
Magerealm
2015Browser MMORPG · Free to play
Magic Barrage
—Browser bullet-hell action MMORPG · Free-to-play
Magic Campus
2011Turn-based Browser Fantasy MMORPG · Free-to-play
MagicDuel Openworld Adventure
2005Browser fantasy MMORPG · Free-to-play
Maiu Online
20243D browser fantasy MMORPG · Free-to-play / alpha
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
Masked City
2026Urban hero-villain browser multiplayer RPG · Free-to-play beta
Materia Magica
1996Fantasy MUD/MMORPG · Free-to-play
Medieval Times MUD
2000Medieval fantasy MUD/MMORPG · Free-to-play
Merc Elite
—Browser military MOBA / tactical shooter · Free-to-play
Merlin
2012Facebook browser MMORPG · Free to play
Metal Assault
—Browser action shooter MMO · Free-to-play
MetalMercs
—Browser Cyberpunk Management MMO · Free-to-play
Midnight, Equestria
2024Cooperative fantasy MUD/MMORPG · Free-to-play
Might & Magic Heroes: Kingdoms
—Browser strategy MMO · Free-to-play
Ministry of War
2010Browser MMORTS · Free-to-play
Mirage Online Classic
20202D Browser MMORPG · Free-to-play
Miriani
2006Science-fiction MOO/MMORPG · Free-to-play
Monkey King Online
2014Browser action MMORPG · Free to play
MonsterMMORPG
2009Fantasy browser MMORPG · Free-to-play
Moral Decay
1992Persistent fantasy MUD/MMORPG · Free-to-play
Mordor MUD
1990Fantasy MUD/MMORPG · Free-to-play
Morndale
2026Browser idle MMORPG · Free-to-play / open alpha
Mortals and Monsters
2026Modern supernatural MUD/MMORPG · Free-to-play
Multiverse: Revelations
2022Fantasy/sci-fi MUSH/MUD MMORPG · Free-to-play
MUME
1992Fantasy MUD/MMORPG · Free-to-play
My Lands
—Browser military-economic MMORTS · Free-to-play
Mystera Legacy
20162D sandbox browser MMORPG · Free-to-play
Mythborne
—Browser Fantasy MMORPG · Free-to-play
Mythic Glory
2018Browser fantasy MMORPG · Free-to-play
Mythic Saga
20122D Browser Fantasy MMORPG · Free-to-play
Nadirim
2011Browser MMORPG · Free-to-play
Nanvaent
1989Fantasy LPMud/MMORPG · Free-to-play
Naviage: The Power of Capital
2011Pirate-trading browser MMO · Free-to-play
Nemexia
—Browser space strategy MMO · Not yet verified
New Worlds Ateraan
1996Fantasy roleplay MUD/MMORPG · Free-to-play
Nightfall
1990Persistent fantasy LPMud/MMORPG · Free-to-play
Nightfalls
2015Champion-collector browser MMORPG · Free-to-play
NoKaOi
2000Social RhostMUSH persistent world · Free-to-play
Nords: Heroes of the North
—Browser/Mobile MMORTS · Free-to-play
Northern Crossroads
1994Persistent fantasy MUD/MMORPG · Free-to-play
Nova Genesis
—Browser fantasy/sci-fi MMORPG · Free-to-play
NukeFire
1996Post-apocalyptic fantasy/sci-fi MUD/MMORPG · Free-to-play
NULLSPACE
2026Browser space strategy MMO · Free-to-play open source
Obsidian Reverie: Ascendency
2020Fantasy MUD/MMORPG · Free-to-play
Odin Quest
2013Norse mythology browser ARPG · Free-to-play
Ogre Island
19992D Browser Fantasy MMORPG · Free-to-play
Old Light
2026Persistent browser space strategy MMO · Free-to-play
Omega Zodiac
2016Browser MMORPG · Free-to-play