Scrabble letter distributions only occurs in one word ("kyning") and loanwords, so there is no tile for it. "J", "V", "Q", and "Z" are only used in loanwords. Anglo-Saxon uses the letter "Ƿ", but it was replaced by "W" in this set because it can be easily confused with P. Anglo-Saxon also uses the letter "Ȝ", but it is a typographic variant of G, so that is used instead. This version is hand-made and not an official edition by Mattel. Arabic-language editions use the following 100 tiles: Although Arabic letters have up to four forms, Scrabble tiles use the isolated form. In some
Tile-matching video game game mechanic, rather than a distinct genre of games. The mechanism of matching game pieces to make them disappear is a feature of many non-digital games, including Mahjong solitaire and Solitaire card games. Jesper Juul traces the history of tile-matching video games back to "Tetris" and "Chain Shot!", published in 1984 and 1985. While both focus on pattern matching, they differ in important design points such as time pressure, tile manipulation and match criteria. A second generation of influential matching games – "Puzznic", "Columns", "Dr. Mario" and "Plotting" – was published in 1989 and 1990. Games building on "Dr. Mario"'s