World Series of Yahtzee is a simultaneous rolling game using the familiar Yahtzee mechanic. Tiles showing hand objectives are shuffled and 8 are placed on the raised board. Players receive unlimited simultanteous rolls until one of them presses the electronic lockout device, giving their opponents 5 seconds to also signal in to claim a tile. When the music ends, scoring players may pick a tile that matches their hand and then keep the associated points.