Rummy: A Complete Guide to Mastering the Game For centuries, players all over the world have been enthralled with the popular card game rummy. The game's main games rummy 51 bonusobjective is to form runs and sets using a standard deck of cards. A run 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 but different suits. In order to "go out" by discarding your final card, the goal is to combine these combinations.