With a standard 52-card deck, two to four players can play Rummy Royal 51, a card game that combines elements of rummy and poker. Forming runs & sets of cards in onetent slotsne's hand and laying them down to score points is the goal. The winner of the game is the player who scores the highest at the conclusion of multiple rounds of play. A face-down draw pile is formed by the cards that remain after each round, which begins with each player receiving a hand of cards in the center of the table.