While Rummy Modern 777 and traditional rummy have certain similarities, they differ greatly in a few important ways. The "777" rule, which gives the game an additi5 apkonal layer of strategy, is one of the primary differences. To form sets or runs of cards with a total value of 7 or multiples of 7, players must use Rummy Modern 777. Because of this special rule, players have to carefully plan their moves in order to meet the 777 requirement, which adds excitement & challenge to the game.