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.
BlazBlue: Calamity Trigger - BlazBlue: Calamity Trigger offers a fantastic combination of 2D Action and Fighting elements and offers a very addictive and quite immersive game-play to enjoy.
Path of Exile - Path of Exile is a free to play online action roleplaying game that draws clear inspiration from Diablo but charts a path all its own.
BlazBlue: Continuum Shift - BlazBlue: Continuum Shift developed by the popular Ark Systems is a marvelous 2D fighting and brawling video game.
LaTale - LaTale draws heavily from some other 2D side scrolling video games to provide a great fantasy MMORPG world.
Street Fighter X Takken - Street Fighter X Takken is a great Action and Thrill filled Action and Fighting video game that offers a totally unique and quite immersive experience for all the hardcore Fighting games lovers worldwide.