The Ultimate Free MMORPG List [Updated 1/23/2012]

[Eric]

List of free MMORPGs:

3700AD
Description: 3700AD - A space online game is a free-4-life space strategy Role-Playing Game.
Wiki: http://3700ad.gamestotal.com/en/wiki/
Official Site: 3700 AD English Selected
Supported Platforms: Browser based

9Dragons
Description: First authentic martial arts MMORPG.
Wiki: 9dragons Wiki
Official Site: 9Dragons - Free Online MMORPG - Play Free Multiplayer Games Online - Nine Dragons
Supported Platforms: Windows (".exe" binary installer)

Achaea
Description: Text-based MMORPG (MUD).
Wiki: AchaeaWiki
Official Site: Role Playing Games | Achaea, Dreams of Divine Lands
Supported Platforms: Browser based

Crystal Saga
Description: 2D browser game, closely follows Chinese culture.
Wiki: Crystalsaga Wiki
Official Site: Crystal Saga - Action packed MMO Role Playing Game!
Supported Platforms: Browser-based

Drakensang Online
Description: 3D MMORPG
Wiki: The Drakensang Wiki - Armor, locations, quests, and more
Official Site: Drakensang Online | The online fantasy game in your browser Home
Supported Platforms: Browser-based

Eden Eternal
Aeria Games
Description: Anime-style MMORPG
Wiki: Eden Eternal Wiki
Official Site: Eden Eternal - A free MMORPG from Aeria Games
Supported Platforms: Windows

Elsword
Description: 2D Side-scrolling MMORPG
Wiki: Elsword Wiki
Official Site: Elsword Online
Supported Platforms: Windows

Flyff
Description: Fantasy MMORPG, flying.
Wiki: Main Page - FlyFF WIki
Official Site: gPotato Presents Flyff - A Completely Free To Play Online Game!
Supported Platforms: Windows

Glory Destiny Online
Description: Cute 3D MMORPG
Official Site: Glory Destiny Online- Official Website
Supported Platforms: Windows

Grand Chase
Description: 2D Side-scrolling MMORPG
Wiki: Grand Chase Wiki
Official Site: Welcome to Grand Chase!
Supported Platforms: Windows

Grand Fantasia
Aeria Games
Description: Anime-style MMORPG
Wiki: Main Page - Grand Fantasia Wiki
Official Site: Grand Fantasia - Free anime themed 3D MMORPG at Aeria Games
Supported Platforms: Windows

Knight Online
Description: 3D fantasy MMORPG
Wiki: Knight Online Wiki
Official Site: http://www.gamersfirst.com/knightonlineworld/
Supported Platforms: Windows

Mabinogi
Nexon
Description: Fantasy life MMORPG
Wiki: Wiki Home - Mabinogi World Wiki
Official Site: Mabinogi - FREE Fantasy Life
Supported Platforms: Windows

MapleStory
Nexon
Description: 2D Fantasy MMORPG
Wiki: Wikimedia Error
Official Site: MapleStory - A Free Massively Multiplayer Online Role-playing Game
Supported Platforms: Windows

Neverwinter
Description: Open beta fantasy MMORPG that takes places in the Forgotten Realms city of Neverwinter, in the D&D universe.
Wiki: http://neverwinter.gamepedia.com/Neverwinter_Wiki
Official Site: http://nw.perfectworld.com/
Supported Platforms: Windows

Perfect World
Description: Traditional Chinese adventure/fantasy MMORPG
Wiki: Main Page - PWpedia
Official Site: Perfect World
Supported Platforms: Windows

RIFT
Description: RIFT - A fantasy based MMO that takes place in the world of Telar.
Wiki: http://telarapedia.gamepedia.com/Rift_Wiki
Official Site: RIFT English Homepage
Supported Platforms: Windows

Runescape
Description: Fantasy MMORPG
Wiki: The RuneScape Wiki - Skills, quests, guides, items, monsters, and more
Official Site: RuneScape - MMORPG - The No.1 Free Online Multiplayer Game
Supported Platforms: Windows

Runes of Magic
Description: Fantasy MMORPG.
Wiki: Runes of Magic Wiki
Official Site: Runes of Magic - Homepage
Supported Platforms: Windows

Rusty Hearts
Description: Hack and slash MMORPG, can play through Steam
Wiki: Rusty Hearts Wiki
Official Site: http://rustyhearts.perfectworld.com/
Supported Platforms: Windows

Shaiya
Aeria Games
Description: Fantasy MMORPG - light versus darkness.
Wiki: The Shaiya Wiki - Guides, maps, items, and more
Official Site: Shaiya - Free Online MMORPG at Aeria Games
Supported Platforms: Windows

Shin Megami Tensei: Imagine Online
Aeria Games
Description: MMORPG based in the Shin Megami Tensei universe.
Wiki: Main Page - Megami Tensei IMAGINE Wiki
Official Site: Shin Megami Tensei: Imagine Online - Free Online MMORPG at Aeria Games
Supported Platforms: Windows

Silkroad Online
Description: Fantasy MMORPG, set in 7th century AD
Wiki: Silkroad Online Wiki
Official Site: http://silkroadcp.joymax.com/userenv.htm
Supported Platforms: Windows

TERA: Rising
Description: Fantasy action-combat based MMORPG, set in the world of Arborea
Wiki: N/A
Official Site: http://tera.enmasse.com/
Supported Platforms: Windows, Mac (With Bootcamp)

Here are some great resources if you're searching for a new, free MMORPG to play:
Free MMORPG List - Free MMORPG Online - mmorpg games - Free To Play Games