Hay day - Farm with friends and family
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.
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Happy Farm - Happy Farm is an Amazing, Free-to-play, Farming, Management, Massively Multiplayer Online, and Cross-platform Simulation developed and published by 5 Minutes.
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.