Draw dominoes: Every round, match tiles until your opponent is unable to move. If you have no possible moves, draw a domino until you can match a tile. If there are no dominoes left, pass your turn until you can. Reach 100 points to win. Block dominoes: The same as Draw Dominoes. The main difference is, if you have no possible moves, pass your turn until you can match a tile. Reach 100 points to win.