Crystal Saga - Crystal Saga is an Action-Adventure, Free-to-play, MMO, RPG and Fantasy-based video game.
NosTale - NosTale (The Tale of Nomads of Silver Spirit) is a totally free MMORPG that includes simple (but beautiful) graphics and also lots of class options.
Wizard101 - Create your Wizard here and play for free! Wizard101 is an online Wizard school adventure game featuring collectible card magic, pets, and duels.
FlyFF - Flyff (Fly For Fun) is one of the greatest running fantasy based MMOs.
Runescape - RuneScape is 3D Action-Adventure, Massively Multiplayer Online, Role-playing, Fantasy-based and browser-based video game developed and published by Jagex.
Ragnarok Online - Ragnarok Online is a Fantasy-based and MMORPG video game developed and published by Gravity Co.