In this virtual world you can move around with an avatar, chat in real time, and play tons of great games! Because they are a partner site and not created or moderated by SmartGirl, SecretBuilders has its own Privacy Policy which you'll want to check out when you register.

Note: some features of the game are supported by advertising unless you buy a subscription.

SecretBuilders ( is a virtual world and casual MMO game with an emphasis on creativity and historical adventure for children 6 to 14 years old. Children live and play among fictional and historical characters such as Shakespeare, Galileo, Mozart, Oliver Twist, Plato, Van Gogh and Amelia Earhart, learn concepts from the arts and humanities. They take quests, publish artwork and writings, play scores of casual games, enter contests and participate in an extensive virtual economy and social life. Children are also given the tools to build out this virtual world with their own ideas, activities and actions. The company is headquartered in San Mateo, CA. For more information, visit