Imagine Cheerleader for the Nintendo DS is a simulation game that fits into the casual genre, specifically targeting younger audiences who have an interest in cheerleading. Players take on the role of a new cheerleader working to rise to the top of the cheerleading squad by learning new routines, coordinating outfits, and performing complex cheer sequences. The gameplay involves rhythm and timing challenges, where players must execute moves with precision to score points, energize crowds, and compete in cheerleading competitions, all while customizing their character and squad's appearance.