FNF Red Ring Nightmare vs Sonic.FLA
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FNF Red Ring Nightmare vs Sonic.FLA


A mod of Friday Night Funkin where Boyfriend rhythm-battle against different Sonic file extensions, such as Sonic.FLA and Sonic.WINRAR


  • Familiar Presence
  • Unresponsive

Mod Credits:

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

  • Ya_Boi_RJ_ – Owner, Musician, Artist, Charter (
  • Starbuck Sothis – Director, Artist, Voice Actor
  • !Electrum – Music Artist
  • Mr. Concept – Animator (No link yet)
  • IckySpork – Musician, Programmer, Voice Actor 
  • Jack of Blades – Musician (No links yet)
  • Balls. – Animator, Artist, Programmer
  • SonicTheCoder – Programmer, Artist, Cutscene Director (No link yet)
  • Duskull – Artist


  • Get the mod for your cool PC HERE

Game Engine:

  • Shadow Mario: Main Programmer
  • bbpanzu: Additional Programmer
  • RiverOaken: Main Artist/Animator
  • Also others that contributors on GitHub.

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.

As always, good luck and Have Fun!

If you want a REAL Challenge, turn off Ghost Tapping in the setting.

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

FNF Red Ring Nightmare vs Sonic.FLA is a Rhythm Game you can play online for free in full screen at KBH Games. No download or installation needed to play this game. Hope this game bring a little joy into your daily life.