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 (game show) off their case" for "detective"). Viewers could win a "Scrabble" T-shirt by submitting a word and clue and having them selected for use in the show's opening title sequence. The first round of every game was the Crossword round, in which two contestants competed to guess words as they were laid out on a computer-generated Scrabble board. Originally, two new contestants played each Crossword, with the winner advancing to the Scrabble Sprint to face the reigning champion (see below). On September 29, 1986, as part of a broader format change, episodes were re-structured to include two Crosswords. The first Crossword