Eternal Legacy - Eternal Legacy is a brilliant Fantasy-based Sci-Fi Action-Adventure and RPG video game that takes you far into the Future and lets you be the protagonists Astrian and Taric at the same time.
Maplestory - MapleStory is among the most popular of MMO in the 2D area scrolling style offering a user count will into the lot of players.
Rogue Legacy - Rogue Legacy is a Fabulous, Action-Adventure, 2D, Platformer, Rouge-like, Side-Scroll, Exploration, and Single-player video game developed and published by Cellar Door Games.
LaTale - LaTale draws heavily from some other 2D side scrolling video games to provide a great fantasy MMORPG world.
Ys: Memories of Celceta - Ys: Memories of Celceta is a Fantastic Action-Adventure and Fantasy-based RPG video game by Nihon Falcom Corp.
AdventureQuest Worlds - AdventureQuest Worlds (or AQWorlds) is an easy but very popular browser-based massively multi-player online Role-Playing game.