Accessibility is the reason for its growing popularity; players of all ages can easily learn the rules, making it a great option for friendly competitions and family get-togethers. Agold plus rich tapestry of customs and social ties is displayed as the game develops, reflecting the subtle cultural differences of the areas in which it is played. An overview of the game. There can be two to six players when playing Rummy Bo, & it uses a standard deck of cards. The goal is to strategically draw and discard cards in order to create valid sets or runs.