A Complete Guide to Mastering Rummy Rummy is a well-known card game that has captured the attention of players worldwide with its unique combination of strategy, skill, andteen patti 777 apk luck. Forming runs and sets from a standard deck of cards is the fundamental aspect of the game. Three or four cards of the same rank but different suits make up a set, whereas three or more cards in the same suit make up a run. Combining these combinations to reduce the number of points in your hand when another player leaves is the goal.