Rummy: An All-Inclusive Guide For centuries, players all over the world have been enthralled with the popular card game rummy. Forming sets or runs of cards—which casattaking upn be either groups of cards of the same rank or consecutive cards of the same suit—is the main objective of this matching game. The goal is to combine every card you have into a legitimate combination before your opponents do. A standard 52-card deck is usually used for the game, though variations may use other decks or jokers.