Royal Rummy has developed over time to include a number of variants that give the game new depths and difficulties. Played using a unique board that has slots for playing cards and poker chips, "Michigan Rummy" is a well-rummy ginliked variant. Players must carefully manage their chips while attempting to form sets and runs with their cards in this variation, which adds another level of strategy to the game. "Gin Rummy," a two-player card game using a standard 52-card deck, is another well-liked Royal Rummy variant. In Gin Rummy, players try to make runs and sets with their cards, but they can also knock if they think their opponent has more points than they do.