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 variants are formed. This variation is also used on "Scrabble Showdown". This game has the same size board and nearly the same scoring system as Scrabble. The major differences are the inclusion of twelve wild tiles marked with an asterisk that may represent one letter or any series of letters and special board squares that convert a regular letter tile into a wild tile (the tile in question is placed upside down on such a square). The nature of these changes shifts the emphasis of the game from playing short words to playing words of any length. For example, QUA*IST, could