By strategically choosing when to knock (end a round) based on the makeup of their hand, players in Gin Rummy try to accumulate a set numberslots apk of points over multiple rounds. Card enthusiasts love this variation because of its fast-paced gameplay and emphasis on skillful play. Indian Rummy, which uses two decks of cards and permits more intricate melds with jokers acting as wild cards, is another noteworthy variation.