BanG Dream! Girls Band Party! is a free-to-play rhythm game released for iOS/Android devices as part of the BanG Dream! multi-media franchise. The game contains two modes: a story mode and a rhythm game mode. The story follows five girl bands pursuing their dreams of becoming musicians. The game is played by building teams consisting of these different band members. As they complete songs in the game, players acquire currencies that can be used to level up band members or buy new ones.