FNF: vs B-Side Hypno Lullaby Mod
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FNF: vs B-Side Hypno Lullaby Mod


A mod of FNF and Hypno Lullaby where all the songs had been remixed into B-side style, charts are re-charted, and graphic updated.


  • Safety Lullaby B-side remix
  • Left Unchecked B-side remix
  • Monochrome B-side remix
  • Missingno B-side remix

New Mechanic

  • Pendelum Mechanic: Press Spacebar with each time the Pendulum is at its lowest point to keep up with Hypno.
  • Unknown (Symbols) will appear during gameplay. You must type figure out the Unknown symbol and type it out with your keyboard. It looks really close to the English alphabet.
    • Here is a picture of all the symbols. 
    • It correspond to the following English alphabets.

B-side mod credits:

Original Hypno Lullaby  Mod Credits:

Original FNF Credits:

  • ninja_muffin99 – Programming
  • PhantomArcade3k and evilsk8r – ARTISTS
  • kawaisprite – TASTY MUSIC
  • AND everyone that contributed to the github source.

The goal of this web optimized port is to make FNF and this mod more accessible to players that can’t otherwise play it on their potato PC, on a Chromebook,  on their Mac, on their Linux, or simply can’t run the EXE files on their computer.

If you want a challenge, turn off Ghost Tapping in the settings.

Recommend using Google Chrome to play FNF Mod for the best performance.

Jam to the beats and just have fun!

FNF vs B-Side Hypno Lullaby Mod is a online Rhythm Game you can play for free in full screen at KBH Games. Easily play FNF vs B-Side Hypno Lullaby Mod on the web browser without downloading. Hope the game will bring a little joy into your daily life.