Your most challenging math challenge thus far is save the world! Kerttu and Viljo have traveled back in time and threaten to drive Greece, Atlantis, Egypt and the ancient civilizations of Aztec into chaos. Follow their footsteps in a time machine and use all your math skills to stop them from changing history forever!

Your most challenging math challenge thus far is save the world! Kerttu and Viljo have traveled back in time and threaten to drive Greece, Atlantis, Egypt and the ancient civilizations of Aztec into chaos. Follow their footsteps in a time machine and use all your math skills to stop them from changing history forever!