"Rhythm Tengoku" is the final first-party game released for the GBA, developed by Nintendo and TNX. It is a rhythm game that tests the player's sense of beat through a series of wacky and catchy mini-games. Produced by Tsunku♂, the game focuses purely on rhythm without complex visual cues. Players must press buttons in time with the music to punch, march, or clap. Its unique style, humor, and addictive music spawned a beloved franchise.