Cool Cool Jam is comparable in gameplay to other rhythm games such as: PaRappa the Rapper, Donkey Konga or Beatmania. The storyline involves a boy and a girl who are transported 1,000 years into the future. To return home they must form a successful and popular music band. The game can be played by one or two players. In two player mode the game plays like a duet; the players take it in turn to play tune and receive a message after completion. The game also features a single player storymode which has adventure game elements. Various instruments can be played in the game. Each instrument has a different playing style.

Cool Cool Jam is comparable in gameplay to other rhythm games such as: PaRappa the Rapper, Donkey Konga or Beatmania. The storyline involves a boy and a girl who are transported 1,000 years into the future. To return home they must form a successful and popular music band. The game can be played by one or two players. In two player mode the game plays like a duet; the players take it in turn to play tune and receive a message after completion. The game also features a single player storymode which has adventure game elements. Various instruments can be played in the game. Each instrument has a different playing style.