Safe virtual world with fun, space-age games.
Complete fun challenges, learn how to be safe online.
Marvel heroes give kids a safe intro to virtual worlds.
Sophisticated chat world has sexual content.
Shopping- and chatting-centric tween virtual world.
Engaging virtual world brings Harry Potter to life.
With music, videos, games, and a virtual world, this site rocks out.
Book, TV character's site is engaging but overrun with ads.
Site unveils new chat tool, makes it easier to find friends.
Foul talk and sexy chat rooms dominate virtual world.
Virtual world with games and some smart parental controls.
NHL-sponsored virtual world can be tough to travel around.
Virtual world with Po and friends earns a black belt in fun.
Adult themes easily encounted in popular virtual world.
This site's pro-environment stance is admirable, but it also deserves kudos for its efforts to keep kids safe.
For fans of the bilingual cartoon Pocoyo, this virtual world offers tons of games, videos, and more.
Nat Geo virtual world teaches kids about nature.
Buy American Girl, play in safe, positive virtual world.
Fluffy virtual world pushes membership buy.
Horse-raising site based on books is fun for horse fans.