FNF Seek’s Cool Deltarune Mod
► Play Now!

FNF Seek’s Cool Deltarune Mod


A FNF mod where Kris and Ralsei rap-battle against Rouxls Kaard the antagonist of the Card Castle from the Deltarune game.


  • chips-ahoyeth
  • ShowStopper (beat story mode to unlock)

FNF vs Rouxls Kaard Mod Credits:

  • Seek: Did Coding, Music, Sprites, Charting, Mostly Everything.
  • Omnidapt: The voice of Ralsei and Mike
  • Revtrosity: The voice of Rouxls and local screaming lad
  • MR. Luwigi: Mike’s design??? I think???
  • Toby Fox: Creator of Deltarune
  • Download the mod for PC here

Game Engine Credits:

  • Shadow Mario: Main Programmer
  • bbpanzu: Additional Programmer
  • RiverOaken: Main Artist/Animator
  • Also others that contributors on GitHub.

Original FNF Credits:

  • ninja_muffin99 – Programming
  • PhantomArcade3k and evilsk8r – ARTISTS
  • kawaisprite – TASTY MUSIC
  • AND everyone that contributed to the GitHub source.

The goal of this web optimized port is to make FNF and this mod more accessible to players that can’t otherwise play it on their potato PC, on a Chromebook,  on their Mac, on their Linux, or simply can’t run the EXE files on their computer. Also help save hard drive space. Please keep in mind that this online web port might be slightly than the PC version. So make sure to also get the PC version if you have a PC.

As always, good luck and Have Fun!

FNF Seek’s Cool Deltarune Mod is a Rhythm Game you can play online for free in full screen at KBH Games. No download or installation needed to play this game. Hope this game bring a little joy into your daily life.