Poptropica walk through for gathering 24 carrots. It’s very fast, but it shows everything you need to know and you can pause it sometimes. If you have better one, write a comment with a link.
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Popularity: 23% [?]

Poptropica is a quite new massively multiplayer online game/virtual world in which children ages 6 to 15 can travel, play games, compete in head-to-head competition, communicate safely with each other, and complete their “island mission” and get rewards.
In the beginning of playing poptropica, each kid gets a avatar but never have to enter a username. [...]

Popularity: 47% [?]

Just recently, Nickelodeon announced thet they are developing SpongeBob virtual world. That not only one adittion that going to be add to their very famous Neopets world but definitely the coolest one. Hey, who don’t love SpongeBob??
Be ready!

Popularity: 13% [?]

ZooKazoo is a new cartoon world for children ages 6 to 12, and its creators think they’ve done a job of creating a cute, Flash-based world for the youngest virtual-world. It was released just yesterday and worth a look.
The world is easy enough for kids to learn. They start by logging in with the [...]

Popularity: 14% [?]

IGN are one of the first who reviewed GoPets Vacation Island which was released for Nintendo DS. Looks like they not very impressed. Here are some highlights:
GoPets: Vacation Island takes the same principle of the website, and shrinks it down. Players can create their own pet, and customize it with over 700 pieces of clothing [...]

Popularity: 7% [?]

New virtual entertainment and education world which really can bring something good in kids virtual world obsession is opened. Webkinz and Club Penguin are really great although Handipoints are going to give parents more control on their kids. Now, to enjoy the world coolness, kids need points which parents will give them. The reasons to [...]

Popularity: 6% [?]

27 March, Sanrio lauched European Hello Kitty Online portal. It was it beta for quite some time and now it’s opened to everybody. It’s called Sanriotown and it’s free online community in six languages.

Fans will get the opportunity to chat about anything on the site’s forums, from Hello Kitty and other Sanrio characters, to [...]

Popularity: 6% [?]

Looks like IMVU is going to become final this summer. It was in beta since 2004 but still gathered 20 millions of users and 4000000 of them are active. Now they gather opinions and feedback to make latest improvments.
Source

Popularity: 9% [?]

GoPets is a virtual world that involves raising a cutomised 3d pet, downloaded onto a player’s computer. The world was lauched on August 4, 2005 and constantly stays in development and growing. What they says about themselves:
GoPets is a community that is made up of both real people and virtual 3D pets that live [...]

Popularity: 9% [?]

The features are based on InterFUEL researching of virtual world which already succeed:

Mom’s approval
Safety
Fun
Fresh content
Ways to socialize
A feeling of control
Self expression

Read more on Ypulse

Popularity: 3% [?]