Rainbow Rummy: An All-Inclusive Guide Rainbow Rummy is a captivating card game that has become well-known due to its uncommon combination of chance and strategy. The game is essrummyyes apkentially played with a standard deck of cards, but it adds a vibrant twist by including special rules and wild cards that improve gameplay. Creating valid sets & sequences—that is, card combinations that satisfy certain requirements—is the goal. With two to six players, the game is a flexible choice for both intimate get-togethers and bigger parties.