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 used in loanwords or, in the case of "C", the digraphs "CH" and "C'H". However, these letters can be played with a blank. Diacritical marks are ignored. Bulgarian-language Scrabble sets, which use Cyrillic letters, use the following 102 tiles: Catalan-language editions use these 100 tiles. Accents and diaereses are ignored; for example, "À" is played as "A". Nevertheless, there are special tiles for the "C" with cedilla "Ç" ("ce trencada"), the ligature "L·L" representing the geminated ell ("ela geminada"), as well as the digraph "NY". Playing an "N" tile followed by a blank tile to form the digraph "NY" is