FNF vs Undertale is a musical game in which you have to fight various monsters from the Undertale universe. Victory or defeat depends on your determination.
Scary monsters from the Undertale universe suddenly appeared in the world of FNF. They also put up a competition and whoever loses will have to leave this world. In this game, you play as the boyfriend and are trusted by everyone who will join this musical battle. Try to be the winner to protect your world and chase the monsters from the Undertale universe from your world.
The gameplay of this game is similar to the FNF vs Huggy Wuggy game. Dance to the beat of the song by pressing the same arrow keys on your computer keyboard. Do not miss any key to be able to complete a song as completely as possible and get the highest score possible. Remember that the monsters in the Undertale world possess terrible power and their musical skills are also very good. Therefore, you need to focus during the game and not be subjective in front of the enemy.