What is your favorite educational games software for children?

The educational games is the kind of toys that will be learning one of the outputs, it relies heavily on the design of the game, so bear in store many educational things alike, as it has to be a balance in these games between enjoy playing and getting new information about the real world in which we live, and the inclusion of the facts of the real world into the game helps the child to recognize little by little on what the world is going to run it in the future, it must be the existence of information either sports or geographical or historical .... Etc. information in these games.