Kingdom Hearts: Melody of Memory is a rhythm action game and the fourteenth installment in the Kingdom Hearts series. Players press buttons in sync with the music to achieve ratings of Excellent, Good, or Miss, with Misses affecting the player's health and potentially ending the game. Players can level up characters' health and attack power, utilizing two types of abilities: ranged and melee. This adds a strategic layer to the rhythmic gameplay, making each playthrough unique and engaging.