Opening the 51 Bonus. Players must accomplish specific goals, like winning a certain amount of games, getting a high score in a tournament, or finishing downloading play storetasks within a given amount of time, in order to unlock the 51 Bonus. Awards and Motivation. The incentives provided by the 51 Bonus may take the form of cash payouts, exclusive bonuses, or other thrilling incentives that improve players' overall rummy experiences. Making the Experience of Rummy Better.