Their viral hit app Pengu has become the biggest AI character app in the US, but with a twist - you can't raise your virtual pet alone. It requires two people to care for each Pengu together ...

but they are all fun for kids and adults. The Tamagotchi Uni is our overall favorite, with a full-color screen and multiple different species of pets to choose from. Whether taking your virtual ...

Virtual pet website Neopets is planning a comeback ... though there still will be be some younger kids," she says. "People want nostalgia. People want to go reminisce about the glory days.