artemis is highest population im pretty sure...after that other servors need to merge to pick things up again orrrr.... runes of magic might start trying to advertise a little bit maybe?? u have no idea how many times i try explaining what game im playing to someone and they go... OH so its like wow? Why? Because wow advertises everywhere, and look it pays off for them. Hint Hint
RoM advertises plenty (and definitely more than a certain other F2P mmo with similar graphics). It mainly has to do with the "patching gauntlet" that you need to get through to play. Also, everyone thinks that way because...everyone has played it. Since it's the largest MMO out there, you'd have to be living under a rock to not have heard of it. Doesn't really have to do with whether they advertise. Heck, the could not advertise at all you you'd still get the "so it's like WoW?"
/end rant