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.
Trex (card game) Trex, pronounced Tricks or Trix, and also known as Ticks, is a four-player Middle Eastern card game mainly played in the Levant region (Jordan, Syria, Lebanon and Israel). Similar to the European game of Barbu, Trex takes on a cycle style in which there are four cycles with each cycle consisting of five games. Each cycle is called a "kingdom" in reference to the fact that in each cycle one player (the King) determines which contract to play in each of the five games.