I am generally fond of those without mini-games, but perhaps as a server ages it could add mini-games to keep old players interested or attract those that do enjoy them. It is a gamble, really, whether or not you would have people be fond of such things with rewards or without them for winning / participating.
Since an excellent soundtrack is clearly an important piece in making a good game, I'm sure you fellow Game Byline users have encountered a great deal of quality VGM over the years.
Have you any favorite tracks in particular? For me, some that come to mind off the top of my head include: