Dead Brotherhood (I Hate You FNF Mod)

Unleash the Undead Rap Battle inDead Brotherhood

Step into a haunting and intense Friday Night Funkin’ experience with theDead Brotherhoodmod, a psychological twist on the classicFNFformula. Based on the eerieMarioromhackI HATE YOU, this mod reimagines the iconic brothers Mario and Luigi as bitter, undead rivals locked in a fierce musical showdown.

In this mod, you play asLuigi, who’s had enough. After years of living in Mario’s shadow, even death can’t cool his burning frustration. Channeling his anger through sharp lyrics and aggressive beats, Luigi takes on his brother in a high-stakes rap battle that’s as emotional as it is electrifying.

The Story Behind the Mod

The narrative kicks off with a legendary sibling dispute that doesn’t end with life. This FNF mod channels the chaotic energy of theI HATE YOUROM hack, where the once-famous plumbers are now vengeful spirits. The track they duke it out to? A haunting rendition ofThanks for Nothing, which sets the perfect tone for this emotionally charged mod.

This isn't just another FNF mod — it's a deep dive into unresolved tension, rivalry, and regret, all packed into a rhythm game experience that will keep you on edge from start to finish.

Gameplay and Features

• Unique Theme: One of the few horror-tinged FNF mods that uses the Mario universe in a dark, creative way
• Challenging Charting: Expect tough note patterns and dynamic song structures that test your skills
• Psychological Vibes: The atmosphere and visuals contribute to a truly unsettling, yet captivating, experience
• Free to Play Online: No need to download or install anything — jump right in and play directly in your browser

Music and Visuals

The mod features a reimagined version ofThanks for Nothing, now twisted into a haunting duet between the dead brothers. The music, combined with custom animations and UI art, immerses players in a gothic, pixel-art world where every note feels like a step deeper into the void.

Mod Credits

Main Creators

• bluhairboi– Composer, charter, and menu artist
• Weebo64– Main artist and programmer

Contributors

• Super Mario Bros. Funk Mix– Chromatics
• Mario’s Madness– Chromatics

Game Engine Team

• Shadow Mario– Main programmer
• bbpanzu– Additional programming
• RiverOaken– Main artist/animator
• Community contributors on GitHub

Original FNF Team

• ninja_muffin99– Programming
• PhantomArcade3kandevilsk8r– Artists
• kawaisprite– Music
• And all open-source contributors on GitHub

Play Anywhere with Web Optimized Port

Want to enjoyDead Brotherhoodbut stuck on a low-end PC, Chromebook, Mac, or Linux system? The web-optimized version makes it possible to play this mod right in your browser, saving storage space and offering a quick way to jump into the action. Just keep in mind that some features or mechanics may differ slightly from the full PC version, so downloading the original is always recommended for the complete experience.