FNF Iron Lung Recreation

Rating:4.1 (97 votes)
Released:December 16, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Get Ready to Rap Battle Rust inFNFIron Lung Recreation

Step into a unique crossover with theFNF Iron Lung Recreationmod, whereBoyfriendfaces off against Rust in an intense rap battle. This mod brings the high-voltage energy of theRobloxia’s Most Wanteduniverse directly to your screen, combining fast-paced rhythm gameplay with a fresh aesthetic. Whether you're a long-time fan of Friday Night Funkin’ or new to the scene, this mod promises a thrilling challenge.

What Is FNF Iron Lung Recreation?

This mod reimagines a popular encounter from theRobloxia’s Most Wantedseries, pitting our beloved Boyfriend against the edgy character Rust. The mod captures the intensity of their verbal showdown through dynamic lyrics, sharp beats, and stylized visuals. It's now available as anonline web port, making it easier than ever to jump in and play—no downloads required!

Gameplay and Features

  • Unique Opponent: Take on Rust, a character known for his bold personality and distinct style
  • Engaging Music: The track is produced by @slingmingo, bringing a high-energy vibe to the battle
  • Stylized Artwork: Visuals are brought to life by @kettlehell64, giving the mod its signature look
  • Animated Lyrics: @redmaskofficial64 adds flair to the experience with smooth lyric animations
  • Browser-Based Play: No need to download anything—play directly in your browser for quick access

How to Play

The controls are simple and intuitive, just like classic FNF:

  • Left Arrow Key– Sing the left note
  • Down Arrow Key– Sing the down note
  • Up Arrow Key– Sing the up note
  • Right Arrow Key– Sing the right note

Time your inputs perfectly to out-rap Rust and win the battle!

Credits and Contributors

Mod Development Team

  • Made by: Goober5335
  • Song by: @slingmingo
  • Art by: @kettlehell64
  • Lyric Animation by: @redmaskofficial64

Game Engine Contributors

RoleContributor
Main ProgrammerShadowMario
Assistant ProgrammerYoshubs
Main Artist/AnimatorRiverOaken
Ex-Programmerbbpanzu
Additional ContributionsGitHub Community

Original FNF Creators

  • ninja_muffin99– Programming
  • PhantomArcade3kandEvilsk8r– Artists
  • Kawai Sprite– Music
  • GitHub Community– Ongoing support and development

A Web Port for Everyone

This version of the mod is abrowser-based web portcreated to make the game more accessible across devices. While it stays true to the original vision, some features may vary slightly from the PC version. For the complete experience, consider downloading the full version—but for a quick session, the web version is perfect.

Dive into the world ofRobloxia’s Most Wantedand show Rust what Boyfriend is made of!