Khet and Quarto, are games of what type?
Quarto (board game) Quarto is a board game for two players invented by Swiss mathematician Blaise Müller in 1991. It is published and copyrighted by Gigamic.
Pegity Pegity is a board game similar to Gomoku and tic-tac-toe, and is intended for two to four players. Parker Brothers introduced the game in 1925, and continued to produce it through the 1960s. The box includes wooden pegs in four colors and a cardboard game board divided into a 16 by 16 grid. The object of the game is for a player to place five pegs of a single color in a row, vertically, horizontally, or diagonally. Its instructions also included patterns for creating designs on the game board as an alternative to playing the game.