FNF vs UnderTale: A Rap Battle Across the Undertale World

FNF vs UnderTale takes Boyfriend into the world of Undertale to face familiar characters through rhythm-based rap battles. Arrows continuously appear on the screen, requiring you to watch carefully and press the correct keys at the right time to maintain your advantage. Can you overcome each opponent and complete the battle without letting the note sequences break your combo? Choose the right difficulty, catch the beat, and start the FNF vs UnderTale adventure now!

Boyfriend's Journey Through the Undertale World

In FNF vs UnderTale, Boyfriend enters a stage that is completely different from typical rap battles. Your task is to overcome your opponents by keeping the rhythm and handling the note sequences that appear on the screen.

When an arrow reaches the correct position, press the corresponding key. If you do it accurately, Boyfriend can maintain his combo and build up his score.

The mod's difficulty can be quite challenging for new players. Therefore, Easy mode is a suitable choice for getting familiar with the note speed before trying higher difficulty levels.

The ultimate goal is still to complete the rap battle and overcome your opponent. Every correct input not only gives you points but also brings you closer to victory.

Key features

FNF x Undertale Crossover: Combines two famous game worlds in a single rhythm battle experience.
Boyfriend as the Main Character: Players directly control Boyfriend throughout the battles.
Easy Mode: Suitable for beginners who are not yet familiar with the chart speed.
Two Control Options: You can choose between WASD or Arrow Keys.
Easy-to-Learn Gameplay: The note-pressing mechanics are based on the familiar formula of Friday Night Funkin.
Play Online: Start the battle directly in your browser.
Accuracy-Based Challenge: Your score and ability to maintain your advantage depend on how accurately you handle the notes.