3Kingdoms
1992Fantasy LPMud/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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Use this category alongside Find an MMO, platform hubs, and Compare to narrow the catalog by the features that matter to you.
Related discovery hubs include MMORPGs, Sandbox MMOs, Crafting, Open World, and PvE.
5Dim
2019Browser space strategy MMO · Free-to-play / no pay-to-win
Aardwolf
1997Persistent fantasy MUD/MMORPG · Free-to-play
Abandoned Realms
1997Fantasy roleplay/PvP MUD MMORPG · Free-to-play
Aberoth
2015Hardcore 2D sandbox MMORPG · Free-to-play
Accursed Lands
1996Roleplay fantasy MUD/MMORPG · Free-to-play
Achaea
1997Text-based fantasy MMORPG / MUD · Free-to-play
Achaea, Dreams of Divine Lands
1997Fantasy MUD/MMORPG · Free-to-play
AD2460
2014Browser-based sci-fi strategy MMO · Free-to-play
Adventure Land
2016Programmable indie MMORPG · Free browser access with optional Steam purchase
Aelisus
2020Fantasy roleplay MUD/MMORPG · Free-to-play
Aetolia, the Midnight Age
2001Dark fantasy MUD/MMORPG · Free-to-play
Agents of Aggro City Online
2018Browser-connected city-defense clicker MMO · Free-to-play at end of service
Akanbar
2007Player-driven fantasy MUD · Free-to-play with optional purchases
Aleryos
2026Browser space 4X MMO · Free-to-play
Alien Adoption Agency
2002Browser alien-raising multiplayer RPG · Free-to-play with optional account upgrades
Alien Warfront
2026Browser sci-fi PvP MMO · Free-to-play
Alter Aeon
1995Fantasy MUD/MMORPG · Free-to-play
Ameroth
2026Browser card-and-dice fantasy MMORPG · Free-to-play
Ancient Anguish
1992Fantasy MUD/MMORPG · Free-to-play
Ancient Empires
1994Historical fantasy LPMud/MMORPG · Free-to-play
Andromeda 5
2013Browser action space MMO · Free-to-play with optional purchases
Animal Jam Classic
—Educational social virtual world · Not yet verified
Anime Ninja
2014Anime-inspired browser ninja RPG · Free-to-play with optional purchases
Anime Pirates
20142D browser MMORPG · Free-to-play with cash shop
Anno Online
2013Browser city-building strategy MMO · Free to play with in-game item shop
Ansalon MUD
1996Fantasy MUD/MMORPG · Free-to-play
Applo
TBABrowser MMORTS · Not announced
Arcane Hearts
2013Isometric browser MMORPG · Free-to-play
Arcane Legends
2012Cross-platform fantasy action MMORPG · Free-to-play with optional purchases
Arcmaze
2026First-person browser dungeon MMORPG · Free-to-play
ArcticMUD
1992Fantasy MUD/MMORPG · Free-to-play
Arkadia
1997Polish fantasy MUD/MMORPG · Free-to-play
Armageddon MUD
1991Roleplay-intensive fantasy MUD/MMORPG · Free-to-play
ascii
2000Social/development MUSH · Free-to-play
Ashgate
2026Persistent browser mafia RPG · Free-to-play controlled beta
Astro Empires
2006Browser space strategy MMO · Not yet verified
Astro Lords: Oort Cloud
2014Space Strategy MMORTS · Freemium
Aurora Blade
2008Fantasy browser MMORPG · Free-to-play
Avatar MUD
1995Fantasy MUD/MMORPG · Free-to-play
AwakeMUD CE
2022Cyberpunk MUD/MMORPG · Free-to-play
BatMUD
1990Fantasy LPMud/MMORPG · Free-to-play
Battle Dawn
—Browser strategy MMO · Free-to-play
Battle Dawn Galaxies
—Browser sci-fi strategy MMO · Free-to-play
Battle of 3 Kingdoms
2012Historical browser MMORTS · Free-to-play
BattleMaster
2001Persistent medieval strategy roleplaying MMO · Free-to-play
Battlestar Galactica Online
2011Browser space combat MMO · Free-to-play
BELLOCCO
2026Browser mafia strategy MMO · Free-to-play
Beyond the Void
2026Fantasy MUD/MMORPG · Free-to-play
Beyond TOS
2026Science-fiction TrekMUSH/MMORPG · Free-to-play
Bitiverse
2026One-bit sandbox MMORPG · Free-to-play
Blade Hunter
2013Browser-based side-scrolling action MMORPG · Free-to-play with microtransactions
Blood and Jade
—Ancient-China Browser MMORPG · Not yet verified
Blood and Power
2026Organized-crime strategy MMORPG · Free-to-play
Browserlands
2026Persistent ASCII browser MMO · Free-to-play / active development
Burning
2015Fantasy MUD/MMORPG · Free-to-play
BurningMUD
1991Fantasy MUD/MMORPG · Free-to-play
Business Tycoon Online
2010Business simulation browser MMO · Free-to-play with item purchases
Call of Camelot
2013Fantasy browser action RPG · Free-to-play
Call of Gods
2011Fantasy MMORPG / strategy hybrid · Free-to-play with item shop and VIP benefits
Call of Thrones
20113D browser action RPG · Free-to-play
Call of War
2015Persistent World War II grand-strategy MMO · Free-to-play with optional purchases
Canaan Online
2010Turn-based fantasy browser MMORPG · Free-to-play with item shop
Caravan Stories
—Cross-platform fantasy MMORPG · Free-to-play
Card Hunter
—Tactical card-battle game · Free-to-play
Carrion Fields
1994Fantasy PvP MUD/MMORPG · Free-to-play
Cartoon Universe
2013Licensed kids' browser MMO · Free-to-play
Castle of Heroes
2009Fantasy MMORTS · Free-to-play with item shop
Ceiron Wars: Sound of Depths
2011Dark fantasy RPG-strategy browser MMO · Free-to-play
ChatMUD
2017Social MOO persistent world · Free-to-play
Children of the Night 4.5
2026GodWars-style PvP MUD/MMORPG · Free-to-play
Chronicles of Denzar
—Browser fantasy MMORPG · Free-to-play
Chronicles of Krynn
2000Fantasy MUD/MMORPG · Free-to-play
Chrono Tales
2013Browser MMORPG · Free-to-play
Chrono Wars
2015Browser action MMORPG · Free-to-play
ChumpLife 3D
20263D browser MMORPG · Free-to-play
Cities War
2018Real-World-Map MMORTS · Freemium
City of Steam
2012Browser MMORPG · Free-to-play
Clan Wars
—Browser Fantasy PvP MMO · Free-to-play
Clash of Avatars
—Browser MMORPG · Not yet verified
Cleft of Dimensions
2000Multiverse fantasy MUD/MMORPG · Free-to-play
Clone Wars Adventures
2010Sci-fi MMORPG · Free to play
Cloudstone
2011Browser action-RPG MMO · Free to play
CoffeeMUD
2000Fantasy MUD/MMORPG · Free-to-play
ConQUEST
1995Fantasy MUD/MMORPG · Free-to-play
Core Exiles
2007Text-based science-fiction browser MMORPG · Free-to-play with optional premium access
CozmoGame
2026Browser space strategy MMO · Free-to-play
Crota II
2018Side-scrolling fantasy MMORPG · Free to play
Crystal Saga
2012Fantasy browser MMORPG · Free to play
Crystal Saga 2
2016Browser fantasy MMORPG · Free-to-play with optional purchases
Crystal Saga: Nova
2026Browser Fantasy MMORPG · Free to play
Crystaria Online
2026Text-driven browser MMORPG · Free-to-play
Cultures Online
—Browser MMORPG/MMORTS Hybrid · Free-to-play
Cyber Monster 2
2013Browser MMORPG · Free-to-play
CyberASSAULT
1992Cyberpunk MUD/MMORPG · Free-to-play
Dalethaan
2013Browser MMORPG · Free-to-play
Dance Groove Online
—Browser rhythm MMO · Free to play
Dark and Shattered Lands
1996Fantasy roleplay MUD/MMORPG · Free-to-play
Dark Genesis
2021Idle browser MMORPG · Free-to-play
Dark Hope MUD
1990Old-school fantasy MUD/MMORPG · Free-to-play
Dark Knight
—Fantasy Browser MMOARPG · Free-to-play
Dark Legends
2012Vampire action MMORPG · Free-to-play with optional purchases
Dark Wizardry
1994Medieval fantasy MUD/MMORPG · Free-to-play
Darker Realms
1990Persistent fantasy LPMud/MMORPG · Free-to-play
Darkest Age
2026Text-based dark fantasy MMORPG · Free-to-play
DarkOrbit
2006Browser space-combat MMO · Free-to-play with optional purchases
DarkOrbit Reloaded
2006Browser space-combat MMO · Free-to-play with optional Premium and purchases
DartMUD
1991Fantasy MUD/MMORPG · Free-to-play
Dead Earth
2011Sci-fi browser MMORTS · Free-to-play
Dead Frontier
2008Zombie survival MMORPG · Free-to-play with optional premium purchases
Defcon5
2003Historical turn-based browser MMO strategy · Not yet verified
Definya 2D MMORPG
2023Retro 2D sandbox MMORPG · Early Access
Dei Delle Ere
2000Italian fantasy MUD/MMORPG · Free-to-play
Demon Crusade
2014Browser turn-based MMORPG · Free to play
Demonlords
2003Persistent fantasy browser MMO strategy RPG · Free-to-play / donation supported
Desert Operations
—Browser Military Strategy MMO · Not yet verified
Desolara RPG
2026Asynchronous browser MMORPG · Free-to-play early access
Diaspora
2000Java browser massively multiplayer online game · Historical browser game
Digimon Battle
—Browser MMORPG · Free-to-play
Dino Storm
2012Dinosaur western action MMORPG · Free-to-play with optional purchases