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.
Ragnarok Online - Ragnarok Online is a Fantasy-based and MMORPG video game developed and published by Gravity Co.
4Story - 4Story is a Massively Multiplayer Online Role-playing, Fantasy-based and Combat video game by Zemi Interactive.
Black Desert Online - This Korean developed MMORPG offers a dynamic, action-based combat system in a richly developed fantasy setting.
Dungeon Blitz - Dungeon Blitz is an Amazing, Action-Adventure, Massively Multiplayer Online, Role-playing and Browser-based video game developed and published by Blue Mammoth Games.
FlyFF - Flyff (Fly For Fun) is one of the greatest running fantasy based MMOs.