FNF FILL-UP – A Spongebob Song

Rating:4.0 (114 votes)
Released:November 16, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Get Ready to Fill Up the Rhythm

Dive into the quirky world ofFriday Night Funkin’with the hilariousFNFFILL-UP mod, inspired by a memorable scene fromTheSpongeBobSquarePants Movie. This web-optimized version lets you enjoy the mod directly in your browser, making it easier than ever to experience this fun-filled musical showdown.

In the mod, you’ll relive the classic gas station encounter between SpongeBob, Patrick, and two hillbilly locals. It’s a humorous and rhythmic take on one of the most iconic moments from the 2004 film. Whether you're a longtime fan of FNF or just here for the SpongeBob nostalgia, this mod delivers a unique twist on the traditional FNF formula.

Mod Highlights

This mod brings a fresh and comedic energy to FNF with its custom track and themed visuals. TheFILL-UPsong offers a distinct challenge for rhythm game enthusiasts, combining nostalgic references with engaging gameplay. The mod is now available to play online, removing the need to download or install anything—perfect for players on Chromebooks, Macs, Linux systems, or those with limited storage space.

Please note, the online version may differ slightly from the original PC build due to platform limitations. For the full experience, consider downloading the original mod for PC.

Meet the Creators

Mod Development Team

  • MakerPrinceFizz: Handled most aspects of the mod except the music
  • Spoogle & GregGreg: Composers behind the catchy FILL-UP track

Engine & Framework Contributors

  • ShadowMario: Lead programmer of the FNF engine
  • bbpanzu: Additional programming support
  • RiverOaken: Main artist and animator
  • Community contributors on GitHub

Original FNF Team

  • ninja_muffin99: Lead programmer
  • PhantomArcade3k & evilsk8r: Artists
  • kawaisprite: Composer of the original FNF soundtrack
  • And all the open-source contributors who made FNF possible

Play Anytime, Anywhere

Thanks to the web port by KBH Games,FNF FILL-UPis now more accessible. No high-end PC? No problem! Just load it up in your browser and start jamming. It's a great way to enjoy a bit ofSpongeBob-themed chaos anytime, anywhere.