Via: Big Brainz
Headquartered in Provo, Utah, Big Brainz is pioneering an incredible new generation of educational video games—much like LeapFrog pioneered educational electronics. Their revolutionary approach to high-tech education combines advanced gaming technology, a patent-pending Education Engine™, and a new business model that lets them offer a free version to any child on the planet who can’t afford our premium product.
To open the doors, you must also capture a number of creatures that hold math clues to help you build a solution to the equation on each door.
The program keeps track of the user's answers, and forces the user to correctly answer more problems using numbers they have shown difficulty solving.