FNF: Underground Funk – Backbone

Get Ready to Battle the Bros inFNF: Underground Funk – Backbone

Step into a rhythm-fueled rap battle like no other inFriday Night Funkin’: Underground Funk – Backbone, a unique FNF mod that brings together two of gaming’s most beloved universes. In this intense showdown,Boyfriendtakes on the musical might ofSansand PapyrusfromUndertalein a high-energy performance of the track “Backbone.”

This mod is a one-shot experience that blends the iconic FNF style with the quirky charm of theUndertaleworld. Whether you're a long-time fan of the series or new to the scene, this mod promises a fun and challenging time with its catchy beats and familiar characters.

Web Optimized for Easy Play Anywhere

Designed for accessibility, thisweb-optimized version of FNF: Underground Funkallows players to enjoy the mod directly in the browser—perfect for those usingChromebooks, Macs, Linux systems, or low-spec PCs. No need to download or install anything; just jump in and start jamming!

⚠️ Please note: This online version may have slight differences or missing features compared to the full PC build. For the complete experience, consider downloading the original mod for Windows or other supported platforms.

About the Song: “Backbone”

In true FNF fashion,"Backbone" throws down a groovy, fast-paced challenge that tests your timing and reflexes. The track captures the essence of both theFNFandUndertaleuniverses, combining Sans and Papyrus’ distinct personalities with infectious beats. It's a must-play for any rhythm game lover orUndertalefan looking to test their skills.

Mod Development Credits

The creative force behindFNF: Underground Funk – Backboneis credited to:

• AndyDavinci: Creator of everything in the mod
• https://gamebanana.com/mods/509634

Game Engine & Core Team

Built on a community-driven engine, the mod was made possible thanks to contributions from talented developers:

• ShadowMario: Main Programmer
• bbpanzu: Additional Programming
• RiverOaken: Main Artist / Animator
• And all contributors via GitHub

OriginalFriday Night Funkin’Creators

We also tip our hats to the original team who launched the FNF phenomenon:

• ninja_muffin99: Lead Programmer
• PhantomArcade3kandEvilsk8r: Artists
• Kawai Sprite: Composer
• As well as the many open-source contributors on GitHub

Whether you’re here for the nostalgia, the music, or the thrill of the fight,FNF: Underground Funk – Backbonedelivers a solid and accessible modding experience that’s ready to play anytime, anywhere.