MechQuest
Fantasy/Sci-fi Mecha Combat RPG based in the world of Lore. Play in your web browser for free.
AdventureQuest Worlds
Fight creatures to earn magical weapons and armor. Includes message board, chat, and top scores.
Travian
Build a successful town with competition from neighbors.Contains instructions, FAQ, chat, and forums.
DragonFable
Animated fantasy RPG (It has Dragons!) that you can create a free account and play using your web browser.
Gaia Online
Gaia Online is an online hangout, incorporating social networking, forums, gaming and a virtual world.
Twelve Sky
Martial Arts MMORPG that is Free to Download and Free to Play!