EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
FlyFF - Flyff (Fly For Fun) is one of the greatest running fantasy based MMOs.
Star Citizen - 1, 966, 341. Active citizen. Help us make Star Citizen a reality! Become a backer of the next-generation of Space-man. Reserve your ship.
Aura Kingdom - Aura Kingdom is 3D Action-Adventure, MMO, RPG, Free-to-play Fantasy-based video game developed and published by Aeria Games.
Star Conflict - Star Conflict is a free MMO action game and space simulator that was introduced in 2012.
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.