Scrabble have been sold worldwide and roughly one-third of American and half of British homes have a Scrabble set. There are around 4,000 Scrabble clubs around the world. The game is played by two to four players on a square board with a 15×15 grid of cells (individually known as "squares"), each of which accommodates a single letter tile. In official club and tournament games, play is between two players or, occasionally, between two teams each of which collaborates on a single rack. The board is marked with "premium" squares, which multiply the number of points awarded: eight dark red "triple-word"
Games related to Yahtzee correspond to points. Each side of every die is printed like a Scrabble tile with a letter and small subscripted number on the lower right corner. One side of one die is marked with a diamond, which acts like the blank tile in Scrabble (can represent any letter, but will have no value). The corresponding scoresheet, like the parent game, has an Upper and Lower Section. In the Upper Section, points are scored and marked for two- to six-letter words, with each word determined by the point values of its letters. The player is awarded 35 points if the total