A Game for Every Occasion. Because of this balance, it's a great option for competitive play, informal get-togethers, and family get-togethers. Players who venture into the vibrant realm of Rummy Rainbow find not only a no500 in 1 game apkvel twist on a well-loved classic, but also a game that encourages strategic thinking and social interaction. Although the main goal of traditional Rummy is to form sets and runs with regular playing cards, the Rummy Rainbow adds a dynamic twist that drastically changes the game's gameplay. The use of a multicolored deck with cards of different hues, each with unique functions and scoring potentials, is one of the most obvious distinctions.