In Gin Rummy, your goal is to build runs and sets of cards in your hand and place them on the table before your opponent. A common setup fo567 gamer this variation of rummy is to use two 52-card decks plus two jokers. In order to win, you must form sets and runs of cards in your hand. The game can be played between two & six players. Canasta is a kind of Rummy that is usually played with four jokers and two 52-card decks.