Primal Darkness
2026Fantasy MUD/MMORPG · Free-to-play
Status
Active MMOs
Browse 1,121 active mmos in MMOFinder with researched lifecycle status, platforms, business models, genres and profile depth.
Matching games
Prison Struggle
—Text-based browser MMO · Free-to-play
Priston Tale
2007Fantasy MMORPG · Free to play with item shop
Procedural Realms
2013Fantasy MUD/MMORPG · Free-to-play
Project Ion
2019Sci-fi MMOFPS/RPG virtual world · Free-to-play
Project Rebearth
2026Persistent Earth-scale multiplayer builder · Buy-to-play
Project X Zone 2
—Tactical RPG · Buy-to-play
Project Zero-G
2026Persistent space simulation MMO · Free-to-play alpha
Project Zomboid
—Online survival sandbox · Buy-to-play
Project: Gorgon
2026Classless discovery sandbox MMORPG · Buy-to-play
Prosperous Universe
2021Browser space economy MMO · Free-to-play with optional Premium subscription
PS - Online 2D MMORPG
20232D open-world fantasy MMORPG · Free-to-play / optional subscription
PUBG Mobile
—Mobile battle royale · Free-to-play
PURGE://
2026Persistent browser action MMO · Free-to-play
Purple Dragon
2026Fantasy MUD/MMORPG · Free-to-play
Puzzle Pirates
2003Pirate puzzle MMO · Free to play with optional purchases
PVP.FARM
20263D sci-fi browser MMORPG · Free-to-play open beta
Quest Master's Realm
2024Open-world action MMORPG · Free-to-play Early Access
R2 Online: Reign of Revolution
2008Fantasy MMORPG · Free-to-play
Race War Kingdoms
2001Browser fantasy MMORPG · Free-to-play
Radiant Heart MUSH
2023Magical-girl roleplay MUSH/MMORPG · Free-to-play
Ragnarok Begins
—Mobile Ragnarok MMORPG · Free-to-play
Ragnarok Libre
2025Time-effective MMORPG · Free-to-play
Ragnarok M: Classic
2025Fantasy MMORPG · Free-to-play / Zeny-centered economy
Ragnarok M: Eternal Love
—Mobile 3D Ragnarok MMORPG · Not yet verified
Ragnarok Online
2002Isometric fantasy MMORPG · Free-to-play / regional service varies
Ragnarok Online 2
2012Fantasy MMO · Free-to-play
Ragnarok Online Landverse
2025Blockchain-enabled classic fantasy MMORPG · Free-to-play / blockchain economy
Ragnarok Online Prime
—Fantasy MMORPG · Free-to-play
Ragnarok Origin
—Cross-platform 3D Ragnarok MMORPG · Free-to-play
Ragnarok Origin Classic
2026Fantasy MMORPG · Free-to-play
Ragnarok X: Next Generation
—Cross-platform 3D Ragnarok MMORPG · Free-to-play
Ragnarok Zero: Global
2026Classic-style PC MMORPG · Free-to-play
Ragnarok: Back to Glory
20253D fantasy MMORPG · Free-to-play / in-app purchases
Ragnarok: Huyền Thoại MMO
20263D fantasy MMORPG · Free-to-play / in-app purchases
Ragnarok: Rebirth
20253D fantasy MMORPG · Free-to-play
Ragnarok: The New World
2026Open-world fantasy MMORPG · Free-to-play
Ragnarok: The Promised Adventure
2025Adventure MMORPG · Free-to-play
Ragnarok: Twilight
2025Idle MMOARPG · Free-to-play
Raid: Shadow Legends
—Online RPG · Free-to-play
Rail Nation
—Browser strategy MMO · Free to play
Rakion
2005Online action game · Free-to-play
Ran Community
2025Community-revived campus MMORPG · Free-to-play
Rangard — Idle MMORPG
2026Idle-supported fantasy MMORPG · Free-to-play / in-app purchases
Rappelz
2006Creature-taming fantasy MMORPG · Free-to-play
Rasalas
20243D fantasy MMORPG · Free-to-play / in-app purchases
Ravendawn
2024Sandbox MMORPG · Free-to-play
RavenQuest
20252.5D sandbox MMORPG · Free-to-play / optional blockchain features
Realm of Echoes
20263D browser fantasy MMORPG · Free-to-play
Realm of Simplicity MMORPG
2025Open-world medieval fantasy MMORPG · Free-to-play Early Access
Realm of the Mad God
2011Bullet-hell permadeath MMO · Free-to-play
Realms of Despair
1994Fantasy MUD/MMORPG · Free-to-play
Realms of Elynia
2026Browser gladiator MMORPG · Free-to-play
Realms of the Dragon
1992Fantasy LPMud/MMORPG · Free-to-play
Reaper Actual
2026Persistent open-world MMO shooter · Buy-to-play Early Access
Rebel Galaxy
—Space action RPG · Buy-to-play
Rebirth Online
20203D open-world fantasy MMORPG · Free-to-play / in-app purchases
Rebornia - MMORPG 2D
20202D open-world fantasy MMORPG · Free-to-play
Reconquer Online
2024Old-school open-world MMORPG · Free-to-play Early Access
Red Dead Online
—Online action sandbox · Free-to-play
Red Stone
2004Fantasy MMORPG · Free-to-play with item shop
Redemption
1996Fantasy MUD/MMORPG · Free-to-play
Redemption's Guild
2023VR co-op action RPG · Buy-to-play
Redfall
—Online action game · Buy-to-play
Reign of Guilds
2025Medieval fantasy MMORPG · Free-to-play
Reinos de Leyenda
1996Spanish fantasy MUD/MMORPG · Free-to-play
Remnant: From the Ashes
—Online action RPG · Buy-to-play
Requiem M
2026Korean dark fantasy MMORPG · Free-to-play
Requiem: Rise of the Reaver
—Horror MMORPG · Free-to-play with optional subscription and item shop
RetroMMO
2020Retro turn-based MMORPG · Free-to-play / optional subscription
RetroMUD
1994Fantasy MUD/MMORPG · Free-to-play
Reunion Online
2026Open-world MMORPG · Free-to-play
RF Online Next
—Science-fiction MMORPG · Free-to-play
Riders Republic
—Online sports game · Buy-to-play
Rift
2011Fantasy MMO · Free-to-play
RimWorld
—Simulation / strategy game · Buy-to-play
Rise of Cultures
—Historical city-builder strategy game · Free-to-play
Risen 3: Titan Lords
—RPG · Buy-to-play
Rising Clans MMORPG
20252D pixel action MMORPG · Free-to-play / in-app purchases
Rites of Passage MUD
2025Fantasy PvP/PvE MUD/MMORPG · Free-to-play
Roblox
2007Online platform / user-generated world · Free to play
Robocraft
—Online vehicle combat game · Free-to-play
Rocket League
—Online sports game · Free-to-play
Rogalia
—Sandbox Survival MMORPG · Free-to-play
Rogue Company
—Online tactical shooter · Free-to-play
Rogue Kingdom
2026Persistent-world roguelike MMO · Early Access
ROHAN 2
2025Fantasy MMORPG · Free-to-play
ROM: Golden Age
20253D fantasy MMORPG · Free-to-play / in-app purchases
ROM: Remember Of Majesty
20243D fantasy MMORPG · Free-to-play / in-app purchases
Romadoria
—Browser MMORTS · Free-to-play
Roto X
—Text-based MUD · Free-to-play
Royale Online
20243D fantasy kingdom-war MMORPG · Free-to-play / in-app purchases
RPG MO
20152D sandbox MMORPG · Free-to-play
Rucoy Online
20162D pixel MMORPG · Free-to-play / in-app purchases
Rumble Fighter
2007Lobby-based fighting MMO · Free-to-play
Runes of Magic
2009Dual-class fantasy MMORPG · Free-to-play
RuneScape
2001Skill-based sandbox MMORPG · Free-to-play + optional membership
Ryzom
2004Science-fantasy sandbox MMORPG · Free-to-play with optional subscription
S4 League
—Online action shooter · Free-to-play
Sacred 3
—Action RPG · Buy-to-play
Salem
2012Historical fantasy MMO · Free-to-play
Savage Lands
2021Co-op survival crafting game · Buy-to-play
Scapewatch: Idle MMO
20262D idle MMORPG · Open playtest / planned buy-to-play
Scarlet Nexus
—Action RPG · Buy-to-play
Scions of Fate
2005Martial-arts MMORPG · Free-to-play with item shop
Sea of Bones
2026Naval MMO · Free-to-play
Sea of Thieves
2018Online action adventure · Buy-to-play
Seal Online
20033D Anime Fantasy MMORPG · Free-to-play
Seal Online: Blades of Destiny
—Fantasy MMORPG · Free-to-play
Seattle2064
2025Cyberpunk roleplay MUD/MMORPG · Free-to-play
Second Life
2003Social MMO · Freemium
Secret World Legends
2017Modern supernatural MMORPG · Free-to-play
Sephiruth
2018Mobile fantasy MMORPG · Free-to-play / in-app purchases
Shadowbane: Resurgence
2026Dark fantasy open-world MMORPG · Free-to-play
Shadowgun Legends
—Mobile online shooter RPG · Free-to-play
ShadowMUD
1990Fantasy MUD/MMORPG · Free-to-play
Shadowrealm: Age of Darkness
2026Dark-fantasy browser MMORPG · Free-to-play
Shadowrun - Denver
2000Cyberpunk roleplay MUSH/MMORPG · Free-to-play
Shadowrun Returns
—RPG · Buy-to-play