Orion's Belt
2009Browser turn-based sci-fi MMO strategy · Free to play
Category
Free-to-play MMOs
Browse 1505 free-to-play 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.
Orna: Fantasy Turn-Based RPG
2018GPS turn-based fantasy MMORPG · Free-to-play / in-app purchases
Otherland
—MMORPG · Free-to-play
OtherSpace
1998Science-fiction roleplay MUSH/MMORPG · Free-to-play
Outer Directive
2026Browser 4X space MMO · Free-to-play
Outlaws of the Old West
—Online survival sandbox · Free-to-play
Outwar
2002Text-based browser MMORPG · Free-to-play
Overkings
—Fantasy browser MMORPG · Free-to-play
OverSoul
—Browser card battle game · Free-to-play
Overwatch
—Online hero shooter · Free-to-play
Oz: Broken Kingdom
—Session-based hero-collector RPG (not a persistent MMO) · Free-to-play
Oz Online
2010Social fishing MMO · Free to play
Oz World
—Social virtual world · Free-to-play
Paladins: Champions of the Realm
—Online hero shooter · Free-to-play
Palia
—Cozy multiplayer life-sim adventure · Free-to-play
Pandora Saga
2010Fantasy MMORPG · Free-to-play
PangYa
2007Sports MMO · Free to play with item shop
Paragon
—MOBA · Free-to-play
Parallel Kingdom
2008Location-based mobile MMORPG · Freemium
Pardus
2004Persistent browser space MMORPG · Free-to-play with optional premium features
Path of Exile
2013Online Action RPG · Free to Play
Path of Titans
—Survival MMO · Free-to-play
Pentito
2026Browser crime MMO · Free-to-play
Perfect New World
—Action MMORPG (development discontinued) · Free-to-play (planned)
Perfect World
2005Chinese mythology MMORPG · Free to play with item shop
Perfect World International
—Chinese fantasy MMORPG · Free-to-play
Perpetuum
2010Science fiction / mech MMO · Free-to-play
Phantasy Star Online 2
2012Science fiction MMO · Freemium
Phantasy Star Online 2 New Genesis
2021Science-fantasy action MMORPG · Free-to-play with optional purchases
Phoenix (CyberDjinn)
2001Persistent browser strategy MMO · Free-to-play
Phoenix Dynasty 2
—Fantasy MMORPG · Free-to-play
Phoenix Dynasty Online
2006Fantasy MMORPG · Free to play
Pi Story
20082.5D fantasy MMORPG · Free-to-play
Picaroon
—Pirate-themed MMORTS · Free-to-play with cosmetic microtransactions
Piercing Blow
2010Lobby-based tactical shooter (single-player/multiplayer) · Free-to-play
Pirate Arena
—Historical MMORTS · Free-to-play
Pirate Galaxy
—Browser MMO · Free-to-play
Pirate Royalty
20263D pirate fantasy MMORPG · Free-to-play Early Access
Pirate Storm
—Naval action MMO · Free-to-play
Pirate101
2012Fantasy social MMORPG · Freemium
Pirates of the Burning Sea
2008Historical maritime MMORPG · Free to play with optional purchases
Pirates of the Caribbean Online
2007Adventure MMO · Free-to-play
Pirates: Tides of Fortune
2012Browser MMORTS · Free-to-play
Pixadom
20232D social pixel-art MMORPG · Free-to-play / supporter items
Pixel Knights Online
20192D pixel-art MMORPG · Free-to-play
Pixel Odyssey: Simple MMORPG
2024Pixel-art MMORPG · Free-to-play / in-app purchases
PixelRealm
2026Browser pixel-art MMORPG · Free-to-play
Pixie Hollow
—Family virtual-world MMO · Free-to-play with paid membership
PixMMO
2026Pixel browser MMO RPG · Free-to-play
PlaneShift
2026Fantasy MMORPG · Free-to-play Early Access
Planet Arkadia
2011Treasure-hunting science-fiction virtual-world MMO · Free to start with a real-cash economy
Planet Calypso
2003Real-cash-economy science-fiction MMO · Free to start with a real-cash economy
PlanetSide
2003MMOFPS · Subscription, later free-to-play
PlanetSide 2
2012MMOFPS · Free to play
PlanetSide Arena
2019Session-based battle royale shooter (not a persistent MMO) · Free-to-play
Play MajorMUD
1990Fantasy BBS MUD/MMORPG · Free-to-play
PlayerUnknown's Battlegrounds
—Battle royale shooter · Buy-to-play (later free-to-play from 2022)
PlayM2M
2025Mythological fantasy MMORPG · Free-to-play
Pocket Legends
2010Cross-platform mobile fantasy MMORPG · Free-to-play with optional purchases
Pockie Kingdom
2013Browser MMO strategy · Free-to-play
Pockie Ninja
—Browser RPG · Free-to-play
Pockie Pirates
—Browser online RPG · Free-to-play
Pockie Saints
2013Browser MMO ARPG · Free-to-play
Pokemon Go
—Location-based online RPG · Free-to-play
Poptropica
2007Family-friendly online adventure world · Free browser access with optional paid editions
Pox Nora
2006Fantasy turn-based MMO strategy · Free to play with item shop
Primal Darkness
2026Fantasy MUD/MMORPG · Free-to-play
Prime World
2014Fantasy MMO · Freemium
Prison Struggle
—Text-based browser MMO · Free-to-play
Priston Tale
2007Fantasy MMORPG · Free to play with item shop
Priston Tale 2
2008Fantasy MMORPG · Free-to-play
Priston Tale II: 2nd Engima
2009Fantasy MMORPG · Free to play
Procedural Realms
2013Fantasy MUD/MMORPG · Free-to-play
Profane
—Open-world PvP sandbox MMORPG · Buy to play (alpha); free to play planned at launch
Project Genom
—Science-fiction MMORPG · Free-to-play
Project Ion
2019Sci-fi MMOFPS/RPG virtual world · Free-to-play
Project Powder
2009Session-based Online Snowboard Racing Game · Free-to-play
Project Zero-G
2026Persistent space simulation MMO · Free-to-play alpha
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
QuickHit Football
2009Browser sports MMO · Free-to-play
QuizQuiz
1999Massively multiplayer online quiz/social game · Free online service
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
Radical Heights
—Battle royale shooter · Free-to-play
Rage of 3 Kingdoms
—Browser/Mobile MMORTS · Free-to-play
RageWar
—Browser strategy MMO · Free-to-play
Ragnarok: Back to Glory
20253D fantasy MMORPG · Free-to-play / in-app purchases
Ragnarok Begins
—Mobile Ragnarok MMORPG · Free-to-play
Ragnarok Click H5
—Browser MMORPG · Free-to-play
Ragnarok: Huyền Thoại MMO
20263D fantasy MMORPG · Free-to-play / in-app purchases
Ragnarok Journey
—Browser fantasy MMORPG · Free-to-play
Ragnarok Libre
2025Time-effective MMORPG · Free-to-play
Ragnarok M: Classic
2025Fantasy MMORPG · Free-to-play / Zeny-centered economy
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: 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
Ragnarok X: Next Generation
—Cross-platform 3D Ragnarok MMORPG · Free-to-play
Ragnarok Zero: Global
2026Classic-style PC MMORPG · Free-to-play
Raid: Shadow Legends
—Online RPG · Free-to-play
RaiderZ
—Action MMORPG · 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
Ran Online
2004Campus fantasy MMO · Freemium
Rangard — Idle MMORPG
2026Idle-supported fantasy MMORPG · Free-to-play / in-app purchases