The melding card requirements vary from round to round and are specific to each round. Because players must not only concentrate on their current hand but also predict upcoming rounds & modify their strategiestta kigs accordingly, this variation places a strong emphasis on flexibility and strategic planning. Kalooki is a more modern variation that is especially well-liked in Europe and has more intricate melding & discarding regulations. Although players in Kalooki can lay down their melds at any point during their turn, they must also be careful which cards they discard because this can give opponents important information.