rioMino: fast and surprising! rioMino is a domino-like strategy game played with 25 identical dice. Both players roll 12 dice, with the 25th dice used to start the game. Time and again the players face different combinations and new possibilities. The first player who makes sure that his opponent cant place a dice next to another dice on the table, is the winner. Simple - but not easy! To teach rioMino to young players, we recommend you start with the enclosed boards: starter, junior, expert and master. rioMino / Professional Tashkent Domino is a larger version of Tashkent Domino. It is played on a 5x5 grid with 25 dice (instead of a 3x3 grid and 9 dice for Tashkent Domino).