Aikatsu! My No.1 Stage! (アイカツ！マイナンバーワンステージ！) is a rhythm game developed by Bandai Namco Entertainment for the Nintendo 3DS. The game is based on the popular Japanese anime Aikatsu!, which follows the story of a group of girls who attend a prestigious idol academy. In the game, players take on the role of an aspiring idol and compete in various rhythm-based mini-games to improve their skills and become the top idol. Players can customize their avatar, choose from a variety of costumes and accessories, and take part in various live performances. During the performances, players must press the buttons in time with the music to achieve a high score. As they progress through the game, players can unlock new songs and costumes, as well as take part in special events. Aikatsu! My No.1 Stage! also features a story mode, where players can follow the characters from the anime as they work towards their dreams of becoming the top idol. Players can also connect with other players online and compete against each other in a variety of different challenges. Overall, Aikatsu! My No.1 Stage! is a fun and engaging rhythm game that will appeal to fans of the anime and anyone who loves rhythm games. With its colorful visuals, catchy soundtrack, and engaging story mode, it's a great game for all ages.