FNF Doubling Down (Kyle vs Cartman)

Rating:4.9 (170 votes)
Released:November 16, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Epic Rap Battle: Kyle vs Cartman inFNFDoubling Down

Get ready for a dramatic and musically charged showdown inFNF Doubling Down, a fan-made mod forFriday Night Funkin’that brings together two iconic characters fromSouth Park: Kyle Broflovski and Eric Cartman. Set in a high school hallway, this mod turns a personal conflict into a full-blown rap battle over a girl named Heidi.

Inspired by the seventh episode of the twenty-first season ofSouth Park, titled “Doubling Down,” this mod captures the emotional intensity and satirical edge of the original while delivering a fun and challenging rhythm game experience.

Gameplay Overview

InFNF Doubling Down, players take control of either Kyle or Cartman as they engage in a fast-paced lyrical face-off. The mod stays true to theFriday Night Funkin’formula—match the arrow sequences and keep up with the beat—but adds a narrative layer that makes each note feel more impactful.

The story centers around a love triangle involving Heidi, with both characters trying to win her over through their musical prowess. But beyond the competition lies a moral message: even if someone treats you badly, it’s important to end things completely before moving on.

Unique Features

  • Thematic Design: The mod is rich inSouth Park-style humor and character design, making it a must-play for fans of the show.
  • Engaging Soundtrack: With music composed bysleepy_oreo, the beats are catchy, intense, and perfectly matched to the characters' personalities.
  • Browser Compatibility: This is a web port, so you can play it directly in your browser—no downloads or installations required! Just note that the port may have slight differences compared to the original PC build.

Meet the Creators

This mod was brought to life by a talented team of developers and artists. Here's a look at the key contributors:

Mod Team

  • Doublegz– Director, Main Artist/Animator
  • MysticalSkir– Main Programmer
  • sleepy_oreo– Main Musician
  • Fxnty– Charter

Engine & Framework Credits

  • ShadowMario– Main Programmer
  • Yoshubs– Assistant Programmer
  • RiverOaken– Main Artist/Animator
  • bbpanzu– Ex-Programmer
  • Plus, contributions from the open-source community on GitHub

Original FNF Credits

  • ninja_muffin99– Programming
  • PhantomArcade3kandevilsk8r– Artists
  • kawaisprite– Composer
  • And all the GitHub contributors who helped shape the base game

Final Thoughts

FNF Doubling Downis more than just a rhythm game—it's a creative crossover that brings belovedSouth Parkcharacters into theFriday Night Funkin’universe. Whether you're a long-time FNF player or aSouth Parksuperfan, this mod offers a unique and entertaining experience that's worth checking out.