Just a game without grinding where you can lvl flyff exp is the limit i got to 63 bp 64 blade but lots of work.

Most of the free games have grind in the end,however,I would reccomend Darkeden and Risk Your Life 2,it's very easy to level in both games.
http://www.ryl2.com.my/
http://en.darkeden.com/

well if u dont mind 2d/3d i recomend ultima online use uogateway.com for servers pm me if u need more info.

Rakion
[url]rakion.softnyx.com[url]
very fun game. You beat toher ppl in gunbound like stages. no grinding to lvl u get exp even when u lose. U might grind at the first bit when u start