Undertale Rhythm Battle Game

Developer: Clay Current Labs

Published: 2024-09-12

Updated: 2026-06-07

• Fnf

Fnf

Review

FNF Undertale Last Breath Vs Sans delivers solid rhythm gameplay with a variety of songs. The learning curve is fair, and replaying tracks to improve accuracy is rewarding. The Undertale theme appeals to fans, and the mod is well-crafted. A good choice for short or extended play.

Faq

Is this game available on mobile devices?

The game is primarily designed for desktop play as a mod for Friday Night Funkin'. It may be playable on some mobile platforms through emulators or specific ports, but official support is not guaranteed. Check the GameJolt page for any mobile versions.

Do I need to download anything to play?

Yes, this is an open-source mod that requires downloading the game files from GameJolt. You will need to install it on your computer to play. The download is free and supports the original developers.

Can I play this game offline?

Once downloaded and installed, the game can typically be played offline. However, updates or additional content may require an internet connection to access. Check the mod's documentation for specific offline capabilities.

Are there any difficulty levels in the game?

The game may include different difficulty settings, such as Easy, Normal, and Hard, which are common in rhythm games. These settings affect the speed and complexity of the arrow patterns. Check the game's options menu for available difficulty choices.

Can I create my own songs for this mod?

As an open-source mod, it may support custom content creation, but this depends on the tools provided by the developers. Some FNF mods allow users to add custom songs or charts. Refer to the mod's documentation or community forums for guidance.

Is this game connected to the original Undertale game?

No, this is a fan-made mod inspired by Undertale and is not officially affiliated with Toby Fox or the original Undertale game. It uses characters and music from Undertale in a rhythm game format, but it is a separate, non-commercial project.

About This Game

Game Introduction

FNF Undertale Last Breath Vs Sans Online Rhythm Game is a fan-made rhythm game mod inspired by the Undertale universe. Players take on the role of Boyfriend (BF) and engage in musical battles against Sans, a popular character from Undertale. The game features a series of songs that players must complete by hitting the correct notes. It is built on the original Friday Night Funkin' engine and is available as an open-source mod. The objective is to sing along with Sans and successfully finish each song without missing too many notes. This mod is created by IGUHz and GaKuun and supports the original FNF developers.

How to Play

In this rhythm game, players watch for arrow symbols that appear on the screen above BF's head. When these arrows match, players must press the corresponding arrow keys on their keyboard at the same time. Timing is crucial, as missing too many notes in a row will cause the player to lose and restart the song from the beginning. The game requires focus and practice to master each track. Players can choose between story mode and free play mode to practice specific songs or progress through a narrative. Consistent practice helps improve accuracy and rhythm.

Game Features

This mod includes rhythm-based gameplay featuring characters and music from the Undertale universe. It offers multiple songs to learn and master, such as Beautiful Day, This is Not Funny, My Last Breath, Remember, and Bad Tom. Players can enjoy both story mode and free play mode, providing different ways to experience the game. The mod is open-source and available for download on GameJolt, allowing players to support the original FNF developers. The game is family-friendly and suitable for all ages, offering a fun challenge for rhythm game enthusiasts.

Tips for Success

To succeed in this rhythm game, practice regularly to improve your timing and note recognition. Start with easier songs in free play mode to build confidence before tackling harder tracks. Pay close attention to the arrow patterns and try to anticipate upcoming notes. Stay relaxed and maintain a steady rhythm, as tensing up can lead to mistakes. If you find a song difficult, break it into sections and practice each part separately. Remember that missing notes is part of the learning process, so be patient and keep trying to master each song.

❓ Having issues?

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