Virtual Worlds For Kids Free Membership. After more than 15 years of providing some of the finest learning tools to children in both the home and the classroom, jumpstart® sought to further revolutionize children’s learning games. Developed by onverse for mac osx and windows, onverse is a free online virtual world full of fun people and cool things to do.

Developed by onverse for mac osx and windows, onverse is a free online virtual world full of fun people and cool things to do. Poptropica is free online game designed for children and teenagers that offers a virtual world mixed with a number of role playing elements that encourage you to create your own adventure. Jumpstart membership is for your whole family and everyone can play for the same price.