Tile-matching video game casual games, tile-matching games are designed to be easily accessible and easy to play, which conflicts with a traditional video gaming ethos that demands games to be challenging and punishing. Match-three games are NP-hard when generalized to an n × n playfield and played such that the player knows in advance all the tiles that will appear, with no random chance involved. In particular, it is NP-hard to determine: Tile-matching video game A tile-matching video game is a type of puzzle video game where the player manipulates tiles in order to make them disappear according to a matching criterion. In
Scrabble letter distributions as these digraphs and trigraphs are very rare in Gwich'in. "C" is not included, as it is only used in the digraph "CH". "P", "Q", and "X" are absent because these letters are not used in Gwich'in. Arguably B, F, and M are not used in Gwich'in either, but they are included as these letters are used for borrowed words. Haitian Creole-language editions of Scrabble contain these 100 tiles: "X" has no tile as it is only used in loanwords in Haitian Creole. "Q" has no tile as it is not used in Haitian Creole, while "C" is only used