Are there any fun virtual worlds for Preteens with no downloads

Ok I have some try them out!

pandanda.com
clubpenguin.com
fantage.com
panfu.com
littlespaceheros.com
supersecret.com
weeworld.com
habbohotel.com (13 and up)
meez.com (13 and up)
foopets.com
buildabearville.com (safe chat)
moshimonsters.com
ourworld.com
woogiworld.com
poptropica.com (safe chat)
planetcazmo.com (13 and up)
woozworld.com
chimpoo.com
tootsville.com
ecobuddies.com
tinierme.com (13 and up)
migoland.com
minimonos.com
whyville.com
secret builders.com
24 TOTAL Yes its alot hope this helps! ^^