In order to complete these combinations, players can employ wild cards, which gives their moves a strategic and unexpected element. A player can indicate that they want to "go out" once they think they have made777 slots meta apk winning combinations with every card in their deck. Before proceeding, though, they have to make sure that every card they own—aside from one that can be thrown away—is a part of legitimate sets or runs. Until one player exits the game successfully or until every card in the draw pile has been used, the game goes on. The remaining unmelded cards are used to determine the players' scores after they reveal their hands.