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"
Snap Attack players simultaneously compete to get as many points as possible. The game is similar to the Scrabble board game where a board is given with fixed words and bonus tiles (letter and word multipliers) on the board, and seven movable tiles with letters on the "rack". Snap Attack's board is 8×7 squares, smaller than a traditional Scrabble board. Points are earned by making "Snaps" - valid combinations of letters that form a word or words with the ones already found on the board. "Single-Snaps" are linear combinations of letters that form one word, while "Multi-Snaps" are combinations that form two