FNF Vs W.D Gaster

Meet a new character in your favourite FNF world. This time your hero should compete with a royal scientist from Undertale named W. D. Gaster. Take courage and use all your musical talents in order to help Boyfriend defeat his strong opponent. The most thing as always you should sing in tune and listen to the melodies attentively. Follow the arrows appearing above the Boyfriend’s head and press the corresponding keys in time. Be sure you will get a crazy experience by playing this mod!