Friday Night Funkin’ Vs. Proto BF
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Friday Night Funkin’ Vs. Proto BF


A mod of Friday Night Funkin where Boyfriend rap-battle an unfinished prototype version of himself.


Boyfriend & Girlfriend get transported to an unfinished universe that looks suspiciously similar to the sketches from before the Ludam Dare build. They rap against Prototype Boyfriend and try to get answers to how they got there in the first place.


  • Ease
  • Testing
  • Ridged
  • Finalization

Mod Credits:

Game is free, so if you had fun and would like to keep up-to-update on the mod, make sure to support the cool mod creators on their social media by subscribing, following, liking, etc.

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!

Friday Night Funkin’ Vs. Proto BF is a online Rhythm Game you can play for free in full screen at KBH Games. Easily play Friday Night Funkin’ Vs. Proto BF on the web browser without downloading. Hope the game will bring a little joy into your daily life.