WeeWorld - WeeWorld - the social network built for fun where you can meet new friends, send messages, play...
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Herotopia - Herotopia is a Massively Multiplayer Online, Role-playing, Virtual World and Browser-based video game developed by Herotainment and published by Jagex.
Animal Jam - Animal Jam is really a virtual world for kids that includes real animal and plant information towards fun storylines which are maintained by National Geographic educational content.
Panfu - Panfu is really a virtual world focusing on kids aged between 5 and 14.
Marapets - Marapets is an Amazing, Massively Multiplayer Online, Role-playing, Browser-based and Virtual World video game like Pet World and Neopets.