Animal Jam Play Wild - The mobile version of WildWorks Animal Jam
Marapets - Marapets is an Amazing, Massively Multiplayer Online, Role-playing, Browser-based and Virtual World video game like Pet World and Neopets.
Club Penguin - Welcome to Club Penguin, a virtual world for kids guided by an unwavering commitment to safety and creativity
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Toontown Rewritten - Toontown Rewritten is a Free to Play, Browser-based, MMORPG, and Virtual-World video game developed and published by Disney.
FarmVille - FarmVille lets players cultivate their farms by plowing, planting and harvesting crops and trees.