FNF Metal Mania Madness

Rating:4.0 (86 votes)
Released:December 21, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Get Ready to Battle a Metallic Doppelganger inFNFMetal Mania Madness

Dive into the high-energy world ofFNF Metal Mania Madness, a fan-made mod that brings a thrillingSonicthe Hedgehogcrossover to Friday Night Funkin’. In this adventure,Boyfriendfaces off against a mechanical clone — Metal Boyfriend — who’s determined to take his place in the real world.

This mod reimagines the classic rhythm gameplay with a unique twist, pulling Boyfriend into the digital realm ofSonic Mania. With intense beats, custom tracks, and a story full of surprises, this mod is a must-play for any FNF fan looking to test their skills against a metallic menace.

The Story: A Game That Shouldn’t Be Played

After the events ofWeek 7,Daddy Dearestshows unexpected generosity by gifting Boyfriend a copy ofSonic Mania. But this isn’t just any game — it’s been tampered with. As soon as Boyfriend boots it up, he's pulled into the game world, where he comes face-to-face with a shocking sight: a metallic version of himself, known asMetal Boyfriend.

It turns out Daddy Dearest meddled with the game's code, turning Metal Sonic into a copy of Boyfriend. This twisted clone is on a mission to eliminate the real Boyfriend and take his place asGirlfriend’s bodyguard. The big question is: will Boyfriend escape this digital trap, or will he meet the same fate as another unlucky suitor?

Tracklist: Show Off Your Rhythm Skills

The mod features a set of original and remixed songs that bring the heat. Here's what you’ll be jamming to:

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

Play Online Anytime, Anywhere

Thanks to a web port, you can enjoyFNF Metal Mania Madnessright in your browser without downloading anything. This version ensures the mod is accessible to a wide audience, no matter the device or operating system. While the web version is convenient, some features may differ slightly from the original PC build, so consider downloading it for the complete experience.

Meet the Talented Team Behind the Mod

This mod is brought to life by a passionate group of creators. Here's a shoutout to the amazing team that made it possible:

Development Team

  • StoneSprite– Director, Sprite Artist
  • Monotono– Co-Director, Composer
  • SebbDuckling– Artist, Sprite Artist
  • Sbuppy– Composer
  • IGJH– Sprite Artist
  • Shiki-Patche– Charter
  • Tootlink– Programmer

Game Engine Contributors

  • ShadowMario– Main Programmer
  • Yoshubs– Assistant Programmer
  • RiverOaken– Main Artist/Animator
  • bbpanzu– Ex-Programmer
  • And everyone else who contributed on GitHub

Original FNF Credits

  • ninja_muffin99– Programming
  • PhantomArcade3kandEvilsk8r– Artists
  • Kawai Sprite– Music
  • And all the GitHub contributors who helped shape the base game

With its unique story, catchy music, and polished gameplay,FNF Metal Mania Madnessis a standout mod that delivers a fresh and exciting experience. Will you survive the challenge of Metal Boyfriend? There’s only one way to find out — step up to the mic and show him what you’ve got.