Because of this extra element, Color Rummy is especially appealing to players who like games that call for both creativity & critical thinkivisa slots info f1ng. Because it can be played by two or more people, the game is a flexible choice for parties, family get-togethers, and informal get-togethers with friends. Improving Cognitive Abilities with Color Rummy. Playing Color Rummy has many advantages that go beyond simple enjoyment.