After players have perfected their rummy skills, they can concentrate on hitting the perfect 51 in their games. It might take persistence and patience to accomplish this, as getting a perfect 5rummy holds1 score is not an easy feat. To successfully meld all of their cards into sets and sequences without taking up any extra cards, players must carefully consider their moves and keep an eye on what their opponents are doing. The Secret to Opening the Bonus. In general, commitment, ability, and a thorough comprehension of the rummy game are needed to unlock the Rummy Perfect 51 Bonus.