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 "deluxe" sets still do. Both games are made by Winning Moves and feature smaller, plastic tiles that are held in place on the board with little plastic posts. The standard version features exactly the same 100 tiles as regular "Scrabble". The Tile Lock Super Scrabble features the same 200 tiles that are in Super Scrabble. Editions are available for travelers who may wish to play in a conveyance such as a train or plane, or to pause a game in progress and resume later. Many versions thus include methods to keep letters from moving, such as pegboards, recessed tile holders