Have we posted/discussed this? A system such as this (see following post) would work well in one of the distributive models of teaching and learning we worked with last week. I am considering integrating into my charter school and would be curious to know people's experience and thoughts...
Here is a website with a virtual world game for kids. You travel around a world called miamiopia in the form of a balloon avatar. You come across questions from content domains and I think then you answer questions and earn coins. If you can't answer the questions, as happened to me when trying to earn coins by answering questions identifying dinosaurs, you are taken to a web site with the information so you can learn it.
I am a graduate student at the Harvard Graduate School of Education. I am in the School Leadership Program. I have taught and worked in school leadership for about 15 years.