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 (video game) Scrabble (video game) Scrabble is an official computerized version of the board game of the same name. "Scrabble" reproduces the game board, tiles, and game pieces onscreen. A clock is included to promote rapid thinking to spell and place words within a user-defined time limit. The game also has lightning- and tournament-timing alternatives. The player's letter rack is visible at the bottom of the screen. The player types a word composed of letters from the rack, and if the word is acceptable by the game, the player moves the cursor to the game board to position the word onscreen and