Quarto is App of The Day on myAppFree, don't miss your daily deals http://get.myappfree.it visit battlehub.net for more info. Quarto is a board game for two players invented by Swiss mathematician Blaise Müller It is played on a 4×4 board. There are 16 unique pieces, each of which is either: *tall or short; *red or blue (or a different pair of colors, e.g. light- or dark-stained wood); *square or circular; *hollow-top or solid-top. Players take turns choosing a piece which the other player must then place on the board. A player wins by placing a piece on the board which forms a horizontal, vertical, or diagonal row of four pieces, all of which have a common attribute (all short, all circular, etc.). Quarto is distinctive in that there is only one set of common pieces, rather than a set for one player and a different set for the other. It is therefore an impartial game.