Why wont maple story let you register if you are under 13

you can talk to people freely on maplestory and there are hackers playing it.
go to http://www.prizerebel.com/index.php?r=1541948 . you can get points by filling out offers. Some prizes are whole game consoles and video games. You can also get xbox live codes for membership you can even get custom prizes from amazon by filling out a form. its completely free but you should use a fake name and create a new email address as you will get a lot of junk mail. also, theres maplestory nexon cash cards. Runescape cards too.