- RuneScape.com
- Webkinz.com
- ClubPenguin.com
- Habbo.com
- There.com
- Playdo.com
- vmtv.com (Virtual MTV)
- weeworld.com
- Zwinktopia.com
- Stardoll.com (5 million visitors/month)
- gaiaonline.com (2 million visitors/month)
- girlsense.com/premium/ (1 million visitors/month)
See also this older list:
ReplyDeletehttp://www.clubpenguin.com http://www.zula.com
http://www.tystoybox.com http://www.mondomedia.com (gay theme)