When drawing cards, players alternate between the draw and discard piles, trying to create valid sets (three or four cards of the same rank) or sequences (three or more consecutivluckyland slots reviewe cards of the same suit). The game goes on until either the draw pile runs out of cards or one player successfully melds all of their cards. Players in Rummy 777 must balance their offensive and defensive plays because scoring is determined by the number of unmelded cards still in their hands at the end of each round. This adds another level of strategy.