Miramagia - Miramagia is an Awesome, Massively Multiplayer Online, Role-playing, Virtual World and browser-based video game developed and published by Travian Games.
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Animal Jam Play Wild - The mobile version of WildWorks Animal Jam
Panfu - Panfu is really a virtual world focusing on kids aged between 5 and 14.
FarmVille - FarmVille lets players cultivate their farms by plowing, planting and harvesting crops and trees.
Club Penguin - Welcome to Club Penguin, a virtual world for kids guided by an unwavering commitment to safety and creativity