FNF Metal Mania Madness
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FNF Metal Mania Madness

Metal Mania Madness is a rhythm game and FNF mod where Boyfriend got teleported into a copy of Sonic Mania.


After the events of Week 7, Daddy Dearest is feeling generous and gifts Boyfriend a copy of Sonic Mania, little did he know that this copy has a few hidden surprises. Boyfriend boots up the game and gets sucked into the world of Sonic Mania where he encounters Metal… Boyfriend??? Turns out Daddy Dearest changed the code and modified Metal Sonic to be a metallic copy of Boyfriend to seek out and kill Boyfriend and take his place in the real world and become Girlfriends bodyguard.

Will Boyfriend make out alive or suffer the same fate as another familiar lover of Girlfriend??


  • Funky Stardust
  • Dopplebanger
  • Dead or Alive
  • Dead or Alive Encore
  • Dopplebanger Old

Full OST can be found here:

Go follow the Devs of this mod.

Game Engine Credits:

  • Shadow Mario: Main Programmer
  • Yoshubs: Assistant Programmer
  • RiverOaken: Main Artist/Animator
  • bbpanzu: Ex-Programmer
  • Also everyone that contributed 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. Also help save hard drive space. Please keep in mind that this online web port by KBHGAMES.com might be slightly different and/or have missing mechanics than the PC version. So make sure to always download the PC version if you have a PC.


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 of the rhythm and just have fun!