No.
It gets really addicting at first for maybe 2 weeks before you realize the grinding is gay, but in those 2 weeks, you will most likely fail whatever classes you have due to your focus on MapleStory.
It's in english on nexon's MS.
It's about killing mushrooms and snails to save the world.
I basically agree with this. The idea of the game really appealed to me, so I decided to try it. I was addicted for about 4 days, and then I realized how shitty it really was.