Some virtual worlds that do not require an activation are: movie star planet, our world, pixie hollow, and weemee. Although the age for these virtual worlds vary.
games pir
ONVERSE!it is the best virtual world sign up here
go search it up
super secret
secretbilders
yes there is lots look it up
no there isn't anything you sign up for you have to registers for it
I know some of them but i dont know the age limits try all of them- www.meez.com www.clubpenguin.com www.weeworld.com www.marapets.com www.virtualworldsreveiw.com (on this site u will find loads of virtual worlds)
There.com and Second Life are fun virtual worlds for adults. Onverse can be a fun virtual world for the younger crowd who aren't old enough to sign up.
GirlsGoGames.com you can play games in all catergories
I found some virtual worlds where you can level up. They are Woozworld, Moshi Monsters, Fantage, Epic Duel, Adventure Quest, Super Secret, Secret Builders, Herotopia, IMVU, Panfu, Chimpoo, Ekoloko, Poptropica, And Tinkatolli!
No. Nothing comes up in a websearch.