Scrabble of points for each lettered tile is based on the letter's frequency in standard English; commonly used letters such as vowels are worth one point, while less common letters score higher, with Q and Z each worth 10 points. The game also has two blank tiles that are unmarked and carry no point value. The blank tiles can be used as substitutes for any letter; once laid on the board, however, the choice is fixed. Other language sets use different letter set distributions with different point values. Tiles are usually made of wood or plastic and are square and thick,
Super Scrabble quadruple letter scores spaced only three squares away from a double word score, it is not uncommon to see a single play score over one hundred points, even without a fifty-point bonus. Guarding against such plays becomes vital to strategy. However, due to the larger size of the board, this becomes increasingly difficult, especially late in the game. Super Scrabble Super Scrabble is a board game introduced in 2004 and a variant of "Scrabble". It is played on a 21×21 grid board instead of Scrabble's usual 15×15, and uses twice as many letter tiles. In North America "Super Scrabble" is