Rummy: An All-Inclusive Guide to Mastering the 51-Card Game The combination of skill, strategy, & chance in the well-known card game rummy has enew slots 777nthralled players worldwide. Forming sets & sequences out of a card hand is the fundamental activity of the game. The goal is to merge cards into legitimate combinations, which can be runs (three or more consecutive cards of the same suit) or sets (three or four cards of the same rank).