Played all over the world, rummy is a popular card game. It usually uses a standard 52-card deck and has two to six players. Forming sets and sequencerummy matas with the cards in your hand is the aim of the game. A sequence is made up of three or more consecutive cards of the same suit, whereas a set is made up of three or four cards of the same rank. Depending on the particular version being played, each player starts the game with a set number of cards.