Another way for players to get the bonus is to declare the game in a predetermined amount of moves or to finish a set without using a joker. Methodical Organizatidamangameon and Focus on Specifics. Players must be very aware of the cards in their hand and plan their moves carefully in order to unlock the Rummy 51 Bonus. For the bonus objectives to be met, it is crucial to prepare ahead of time and consider which cards to keep and which to discard. Maintaining an Edge Over the Competition.