THE IDOLM@STER SideM GROWING STARS (Japanese: アイドルマスター サイドM グローイングスターズ Aidorumasutaa Saido Emu Gurooingu Sutaazu), also called SaiSuta due to the long name, is a game for iOS and Android, released on October 6th, 2021. It is free-to-play and based on THE iDOLM@STER SideM. The game was released less than a month after the previous IDOLM@STER mobile game shutdown, as well as being the final mobile game to release during the 2nd Vision era. It also debuts C.FIRST and the idol group's members, Shu Amamine, Momohito Hanazono, and Eishin Mayumi.