FNF Missingno UnderTale Mix (Corruption Fanmade)

A Wild Rhythm Game Crossover

Dive into the chaos of theFNFMissingno UnderTale Mix, a fanmade corruption mod that blends the glitchy vibes of Missingno with the haunting charm ofUndertale. In this web-optimized rhythm game, you’ll step into the shoes of Frisk and face off against Flower in a musical showdown like no other.

This mod reimagines the iconic track fromHypno’s Lullabywith a fresh Undertale-style arrangement, giving players a unique and eerie experience. Whether you're a long-time Friday Night Funkin’ fan or a rhythm game enthusiast, this mod promises a challenging and atmospheric vibe that’s hard to forget.

Gameplay & Features

InMissingno UnderTale Mix, you play as Frisk, locked in a battle of beats against the mysterious Flower. The mod brings a dark, corrupted energy to the classic FNF formula, with charted notes and music that reflect the glitchy, surreal theme.

• Song Theme: A fusion of Missingno's distorted energy and Undertale's emotional depth
• Opponent: Flower, in a haunting and rhythmic confrontation
• Web Port Accessibility: Play directly in your browser—no download or installation needed

The mod is designed to be both challenging and immersive, making it a great pick for those who love experimental and themed FNF content. The web version ensures that even players with low-end PCs, Chromebooks, or non-Windows systems can enjoy the action.

Mod Creators

This mod is brought to life by a talented group of creators passionate about the FNF community:

• Zacemc– Art, event design, and general playability
• wiizp_– Original music composition
• PSYY– Charting and note design

Powered By FNF Engine

TheFNF Missingno UnderTale Mixruns on the official FNF game engine, developed and maintained by a team of dedicated contributors:

• ShadowMario– Main programmer
• bbpanzu– Additional programming support
• RiverOaken– Lead artist and animator
• Thanks to all the GitHub contributors who helped build the engine

Original FNF Team

We also tip our hats to the original developers ofFriday Night Funkin’:

• ninja_muffin99– Lead programmer
• PhantomArcade3kandevilsk8r– Artists
• kawaisprite– Composer
• And to all the open-source contributors on GitHub

Web Port – Play Anywhere!

This web-optimized version of the mod was created to increase accessibility for all types of players. Whether you're on a school Chromebook, a Mac, Linux, or a low-spec PC, you can jump into the action right in your browser. It’s also a great way to save hard drive space while still enjoying the mod in its full glory.

⚠️ Please note: While the web version is fully functional, some features or mechanics may differ slightly from the original PC build. For the complete experience, consider downloading the desktop version if available.