FNF vs Boss Rush (Sonic, Eteled, Sans )

Rating:4.3 (111 votes)
Released:February 10, 2026
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Epic Crossover Rhythms:FNFvs Boss Rush

Get ready to drop the beat against some of the most iconic crossover characters inFriday Night Funkin'history! In the fan-favorite modFNF vs Boss Rush, you’ll go head-to-head with three legendary opponents:MajinSonic,Eteled, andSans. With fresh tracks and smooth online performance, this mod brings high-energy rap battles straight to your browser — no powerful PC required.

Whether you're a long-time FNF player or a rhythm game enthusiast looking for a challenge, this mod delivers a unique twist on the classic formula. Let’s dive into what makes this mod stand out in the ever-growing FNF universe.

Battle the Beat: Song List

This mod throws down with three uniquely themed songs, each matching the style and energy of its respective boss:

  • Blue Entertainment– A high-octane showdown with Majin Sonic, blending speed and rhythm in true Blue Blur fashion.
  • Remote– Eteled takes control in this tech-heavy track, full of glitchy beats and intense charting.
  • Killing Spree– Face the iconic Sans in a soulful yet challenging battle that tests both skill and stamina.

Each song offers a distinct vibe and increasing difficulty, makingFNF vs Boss Rusha well-rounded experience for players of all levels.

Gameplay & Features

As with mostFriday Night Funkin’mods, the core gameplay remains simple: match the notes and out-rap your opponent. ButFNF vs Boss Rushsets itself apart with its polished optimization forweb-based play. That means you can enjoy the mod right in your browser — whether you're on a Chromebook, Mac, Linux, or even a low-end PC that struggles with .exe files.

The mod is built using theShadowMarioFNF engine, which ensures smoother frame rates and better performance than many standard builds. It's a great option for those who want to jump in quickly without any setup hassles.

Meet the Creators Behind the Mod

A project like this wouldn't be possible without a team of passionate and talented individuals. Here's a look at the creative minds behindFNF vs Boss Rush:

NameRole
WassabiSojaOwner, Coder, Music
hexarCoder, Charter
StampSCoder, Charting Help
AmazeinGArtist / Animator
Shadow MarioFNF Game Engine

If you enjoy the mod, consider supporting the creators on their social platforms. They put in a lot of time and effort to bring these epic musical moments to life.

Original FNF Team

We also tip our hats to the original developers who madeFriday Night Funkin’a global phenomenon:

  • ninja_muffin99– Programming
  • PhantomArcade3kandevilsk8r– Art
  • kawaisprite– Music
  • And everyone who contributed to theGitHub source

Play Anytime, Anywhere

One of the main goals ofFNF vs Boss Rushis to make the FNF experience more accessible. By optimizing the mod for web browsers, it opens the door for players on a wide range of devices. So whether you're at school, work, or just chilling at home, you can always jump into a quick session and test your skills.

So gear up, hit the notes, and show these bosses whyBoyfriendis the undisputed king of the rap battle!