FNF Boyfriend in the Backrooms is a mod of the popular rhythm game Friday Night Funkin where Boyfriend somehow ended up in the backroom, a mysterious and endless labyrinth of office cubicles that is said to be behind the walls of reality. There, he encounters a shadowy figure that chases him and challenges him to a musical duel on a song called 'Keep Going'. Boyfriend must use his rap skills to survive and escape the Funkrooms, while avoiding the horrors that lurk in the dark.