BanG Dream! Girls Band Party!, also known as Garupa, is a mobile rhythm game developed by Craft Egg and published by Bushiroad for the Android and iOS platforms. Part of Bushiroad's BanG Dream! music franchise, it was released in Japan on March 16, 2017. Overseas launches took place in Hong Kong, Macao, and Taiwan on October 19, 2017, in Korea on February 6, 2018, worldwide in English on April 9, 2018, and mainland China on May 30, 2019. While Bushiroad serves as the publisher for the Japanese- and English-language servers, the traditional Chinese localization (Hong Kong, Macao, Taiwan) is published by Mobimon Inc., whereas bilibili and Kakao Games oversee the mainland Chinese and Korean versions, respectively.
The game has enjoyed success in Japan and worldwide, and is credited with helping the franchise grow in popularity. A spin-off anime series based on the game titled BanG Dream! Girls Band Party! ☆ Pico began airing in 2018.