Rhythm Tengoku is a rhythm action game released for the Game Boy Advance, developed by Nintendo. It is the first game in the Rhythm Heaven series and was released exclusively in Japan. The game consists of a collection of quirky, rhythm-based mini-games where players must press buttons in time with the music. The visuals are simple but stylish, and the music, produced by Tsunku♂, is catchy and upbeat. The game focuses purely on rhythm and timing rather than visual cues, offering a unique and addictive gameplay experience that challenges the player's sense of beat.