FNF Killin Vs Killer Sans

Rating:4.1 (167 votes)
Released:December 16, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Epic Showdown: Chara vs. KillerSansinFNF

Get ready for one of the most intense Friday Night Funkin’ crossovers —FNF Killin Vs Killer Sans. In this mod, you step into the shoes ofChara, the fallen human fromUndertale, as they face off against the deadlyKiller Sansfrom the fan-made gameKillertale. With its high-energy beats and unique character designs, this mod brings a whole new level of challenge and excitement to the FNF universe.

This mod is perfect for both fans ofUndertaleand rhythm game enthusiasts looking for a fresh and adrenaline-pumping experience. It’s also optimized for online play and low-end devices, so you can enjoy the action no matter your setup.

Tracklist: Battle Through Five Intense Songs

Dive into five custom tracks that bring the heat and test your skills to the max:

  • The Usual
  • Know the deal
  • Know your place
  • The Deal
  • Voided

Each song ramps up the intensity, building to a final showdown that will push even experienced players to their limits. The mod strikes a great balance between creative visuals, challenging note patterns, and a dark, edgy atmosphere fans ofKillertalewill love.

What Makes This Mod Special?

FNF Killin Vs Killer Sans stands out thanks to itsfaithful adaptation of a beloved Undertale fangame characterand acustom art stylethat gives the mod a gritty, horror-themed edge. The mod is alsoweb-optimized, making it easier to play directly in your browser on platforms like Chromebooks, Macs, and Linux systems. It's a great option for those who want to enjoy the mod without installing heavy files or dealing with compatibility issues.

Meet the Team Behind the Mod

This mod is brought to life by a talented group of creators, each contributing their own flair to the final product.

Main Mod Creators

NameRole(s)
Nonkel FlexOwner, Musician
ZaltyPiezCo-Director, Sprite Artist, Icon Artist, Promotion Artist, Voice Actor, Chromatic Scale Maker, Playtester, Emotional Support
M1 AetherProgrammer
XylamicBackground Artist, UI Designer
Le EvolutionAnimator
SkieHiePieMusician
BlueERRORPromotion Artist
OmoroCharter

FNF Engine Contributors

The mod runs on a modified version of the base FNF engine, developed and maintained by:

  • ShadowMario– Main Programmer
  • bbpanzu– Additional Programmer
  • RiverOaken– Main Artist/Animator
  • And many more community contributors on GitHub

Original FNF Creators

A big shoutout to the original team behindFriday Night Funkin':

  • ninja_muffin99– Programming
  • PhantomArcade3kandevilsk8r– Artists
  • kawaisprite– Composer
  • And everyone else who helped build the open-source foundation of the game

Play Anywhere, Anytime

One of the standout features of this mod is itsweb-friendly version, which allows players with less powerful hardware — or those using alternative operating systems like ChromeOS, macOS, or Linux — to still enjoy the mod. While some features or mechanics may differ slightly from the full PC version, the web port ensures that more people can join the fight against Killer Sans.

If you're on a standard Windows machine, we still recommend downloading the full version for the complete experience.