FNF vs CJ & Ruby (Starlight Mayhem Rebooted)

Rating:4.3 (110 votes)
Released:May 1, 2026
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Get Ready to Rock inFNFvs CJ & Ruby

Step into the spotlight withFNF vs CJ & Ruby (Starlight Mayhem Rebooted), a high-energy Friday Night Funkin’ mod that throwsBoyfriendheadfirst into a live concert gone wild. After crashing a show, he’s challenged to a rap battle by the charismatic rockstar CJ and his friend Ruby. With a full setlist, cinematic cutscenes, and a unique scoring system, this mod brings the heat and the funk!

Story: A Starlit Showdown

It was supposed to be a chill night at a local music festival withGirlfriend. But when the lead singer of the bandOn Commandspots you in the crowd, things go off the rails! EnterCJ, a bright and bubbly frontman who’s heard of your musical skills and isn’t afraid to challenge you to a battle. Can you survive theStarlight Mayhemand come out on top?

Tracklist: 8 Original Songs

This mod delivers a full week of action-packed battles, plus a bonus week. You'll groove to 8 unique tracks, each with its own vibe and challenge level:

  • Inverted Ascension
  • Echoes
  • Artificial Lust
  • Parallax
  • Starstorm
  • Coda
  • Its Complicated

Each song is fully charted forEasy,Normal, andHardmodes, so you can bring the funk no matter your skill level.

Gameplay Features & Mechanics

Stylized Cutscenes & UI

Immerse yourself in a complete visual experience with custom cutscenes, a fresh menu design, and a sleek user interface that matches the mod's high-octane energy.

Burst Scoring System

Keep your combos going to fill theBurst Baron the right side of the screen. Once it's full, pressSpaceto activate Burst Mode. This gives you2x score pointsanddouble health regeneration—use it wisely to dominate the stage!

Bonus Week

After completing the main week, unlock aBonus Weekwith special guest characters, adding even more replay value to the mod.

Mod Creators & Contributors

Huge thanks to the amazing team behind this mod! Here's a breakdown of the talented people who made it possible:

RoleContributor
Director / ArtistTheMaskedChris
Codersshadowfi, 4Axion
InstrumentalistsMudstep
VocalistsMiyno_, Ridinginthered
New CJ VocalsSaruky_, Cerbera
MusiciansSaster, Mike Geno, KiwiBurd, CyniCal
UI ArtistBluskys
Logo ArtistScorchVx
Album ArtistOhya
Trailer Editorpizzapancakess_
Voice ActorsCougar MacDowall (CJ), sprayjea (Ruby)
Special Thanksbastiano, Verwex, ash237, AmorAltra, IceyPie

Original FNF Credits

This mod runs on the classic FNF framework, originally created by:

  • ninja_muffin99 – Programming
  • PhantomArcade3k & evilsk8r – Art
  • kawaisprite – Music
  • And all contributors to the FNF GitHub

Web Optimized for All Players

This version of the mod isweb-optimized, making it easier to play for those with less powerful devices. Whether you're on a Chromebook, Mac, Linux, or an older PC, you can now enjoy the mod without needing to run heavy .exe files. The goal? To make the FNF experience moreaccessible and inclusivefor everyone.

Get ready to step up to the mic and show CJ and Ruby what you’re made of inFNF vs CJ & Ruby (Starlight Mayhem Rebooted)!