A 52-card standard deck is used in 777 Rummy, a variation of the classic rummy card game that is usually played by two to six players. Being the first player to form sets & runs and yono rummy slotseliminate every card is the goal. Runs are sequences of three or more consecutive cards of the same suit, whereas sets are made up of three or four cards of the same rank. Players in 777 Rummy must create sets and runs that add up to seven or multiples of seven, which sets this game apart. For example, a run could be 4, 5, 6, & 7, and a set could be 3, 3, and 1.