Boyfriend finds himself in an Andertale world he has never been to before. Boyfriend is lost in a world that is new to him, searching for a way out. Wandering through mysterious places, each step leads Boyfriend to meet the inhabitants, with whom he has to engage in musical battles to get out, to the songs “Custom Tutorial”, “Megalovania”, “Hopes and Dreams” and “Your Worst Nightmare”.
The journey through the world of Andertail leads Boyfriend to meet Sans, Flawer, and the other inhabitants of the world. In order for Boyfriend to get out of the mysterious world and return home, he must defeat the antagonists to the rhythms of the musical melodies. To do this, you have to perform each of the songs to the last chord. It is necessary to follow the arrows that move, and click on the keys that correspond to the moving characters, at the moment of contact with identical symbols.