For many years, people all over the world have enjoyed playing the card game rummy. It blends luck, skill, and strategy, and its popularity is increased yuno sbiby the many variations. A unique rule that applies to some variations of rummy is called the 51 Bonus, which gives players the chance to win more money and accumulate more points. 51 Bonus is usually applied to card games like Indian rummy or 10-card rummy where players have to form runs & sets of cards.