Who wants to train his neurons? In this trivia game of 450 cards, you can explore 5 themes (sciences, general culture, puzzles, vocabulary and intelligence quotient), and 3 difficulty levels. The first player take a card, read the theme and the question and select one or several players to answer it. If a challenged player has the correct answer, he wins the points written on the card and take a card to challenge the others. If nobody can answer, the player who asked the question wins the points of the card, multiply by the number of challenged players. The person who reach first a certain amount of points (previously defined)is declared the winner.