Below is a list of every MMO that I can remember playing – Either in beta, or once the game when live. There is also a whole slew of MUD’s and MOO’s that I used to play, but I can only think of Gemstone as of this writing..

I’ll try to add more information about each one, opinions, dates, beta vs live..etc..

Aion Online

Anarchy Online

Asheron’s Call

Asheron’s Call 2

Auto Assault

City of Heroes

City of Villains

Dark Age of Camelot

Dungeons & Dragons Online

Dungeon Runners

Earth & Beyond

Eve Online

EverQuest

EverQuest II

Final Fantasy XI

Gemstone IV

Hellgate: London

Lord of the Rings Online

Meridian 59

Neocron

Pirates of the Burning Sea

PlanetSide

The Realm Online

Shadowbane

Star Wars Galaxies

Tabula Rasa

Time of Defiance

Ultima Online

Warhammer Online

World of Warcraft