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.
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
Webkinz - Webkinz is an Animal-based, Virtual Children’s World, Fantasy and Browser-based Simulation developed by Ganz.
Club Penguin - Welcome to Club Penguin, a virtual world for kids guided by an unwavering commitment to safety and creativity
Webosaurs - Webosaurs is a Fantastic, MMORPG, Virtual World and Browser-based video game created and developed by Reel FX Entertainment.