Idol Party frames its world around becoming an idol, combining music performance, social interaction, and fashion. Its central draw is a choice between dancing and singing rather than a single rhythm-game routine, with a broad song selection spanning different genres. Four dance modes, Rhythm, Classic, Tempo, and Tradition, give the music play several formats, while recorded dance sessions can be saved to a video gallery for later viewing.
Karaoke adds a different kind of performance: players can choose a song and sing, either staging a concert on their own or using the described sync mode with other karaoke participants. Outside performances, outfit choices range from campus-inspired and casual looks to ancient-style clothing and limited sets. The community area is also designed for social play, with interactive attractions including carousels, swing planes, and pedal pianos, giving the idol theme a shared hangout space as well as a stage.
Its dance options, karaoke, customization, and community attractions sketch out a varied performance-and-social format, while the listed multiplayer categories include co-op and PvP.