What games can you play online with friends

My Top Three Favorites (Maybe you have a different opinion)
Club Penguin (My user is Arlyk)
Animal Jam (My user is FunPinkyPinky)
Stardoll (My user is CookieNinja00)

Other
Woozworld
Weeworld
Miss Bimbo
Habbo Hotel
The Endless Forest (Download)
Whyville
MonkeyQuest
ToonTown
Pixie Hollow
SecondLife Teen (SecondLife is not open any more)
IMVU
Dizzywood
Webkinz (You must pay for a Webkinz)
Neopets
The Big Hello (Like Facebook for kids)
OurWorld
Super Secret
Free Realms (Download)
Vizwoz
Runescape
Small World
Poptropica
Gaia

AND THERE IS SO MUCH MORE