Have you already mastered the tricks of Pebbles? It\'s time to invite a friend to compete and see if you can become the most brilliant codebreaker ever! Your goal in this game is to reveal a secret code formed by at most 4 color pebbles before your opponent does so. When the game starts, you and your opponent will be asked to form a secret code for each other to guess. Spaces are allowed in the code and the colors of the pebbles may repeat. Then y