In Imagine: Ballet Star, players engage in rhythm-based gameplay that involves learning and performing ballet routines, utilizing the Nintendo DS's touch screen and microphone for an interactive experience. Players must master various ballet steps to progress through the game.

The storyline of Imagine: Ballet Star revolves around the journey of an aspiring ballet dancer who aims to become a renowned ballet star, facing challenges and competitions along the way. Players navigate through different scenarios that test their skills and creativity.

Imagine: Ballet Star stands out with its unique blend of rhythm-action mechanics and a focus on ballet, allowing players to learn real ballet techniques while enjoying a narrative-driven experience. The game also emphasizes fashion and personal expression, enhancing the overall immersion in the ballet world.