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
TV Scrabble screen and stylus and the tiles would fly out of the podiums onto a giant upright Scrabble board. Contestants scored points for the word they made but only the higher scoring word remained on the board to be played off for the next go. This would be played four or five times. The second round was Speed Scrabble. Each player was given a clean board and had just one minute to formulate as many words and score as high as they can. They would take their minutes in turn. The winner of the first game would do battle with the