Bonuses are therefore an essential part of Royal Rummy 51's strategy and not just an extra. Overview of the Royal Rummy 51 Bonus System. Players are rewarded fosanttar their strategic accomplishments and deft play throughout each round by the Royal Rummy 51 bonus system. Bonuses can change based on the platform or version being used, but they usually consist of prizes for finishing particular combos or hitting particular goals during a game session. types of Royal Rummy 51 bonuses.