To be honest I think everyone that has a Level 30 should be on the highscores for that skill and then you can really see what rank you are in the game for like Strength etc and the way thinks are going you're going to need a ridiculous Strength Level soon to get onto those highscores. The only downside is that I was really happy when I get all my skills onto the highscores but if this happens it will no longer be an achievment.