Are there any good games that a free to play with option to pay like runescape

yeah totally like of course runescape, freerealms, wizard101, i love wizard101 it rocks, i think empire craft is..., club penguin, i hate club penguin, i think nfl rush zone is maybe not probably not, i think theres something like war craft i don't know and lists of other games that just went out of my mind....well anyways -breccan d. aka comicbook1, and if i think of more they'll be put on here. :)