Go Mad Kids Turmali

GoMadKids Turmali is an online game for kids, set in a virtual world made up of seven diverse lands. The world of Turmali has similarities in appearance to Earth with six of the lands having the appearance of the Continents of Earth. The game is completely free to play, and includes downloadable eBooks.

The story: 

Go Mad Kids and the world of Turmali is a magical adventure series featuring 12 fearless young kids and their robot friend Ike. The 12 GoMadKids are brought together from different countries around the world by Ike to help repel alien invaders who have set about destroying the beautiful world of Turmali.