Whats the highest point in Peru? Which country has the longer coastline, Brazil or India? What countries border Azerbaijan? Global Challenge tests your knowledge of these and other geographical facts for over 250 countries, in more than a dozen categories. Global Challenge is an entertaining way to learn more about the world and Cascolys unique system lets you decide how difficult to make the game, and the game remembers your responses. There are more than a trillion possible questions, so its unlikely youll ever see 2 identical questions, no matter how long you play. In addition, thegame watches your responses, and adjusts the questions to your skill levels, so the game becomes tougher the more you play. You can also select the particular countries to be included by changing the difficulty level.