FNF vs Sonic.EYX

Rating:4.5 (169 votes)
Released:February 26, 2026
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Face the TerrifyingSonic.EYX in ThisFNF ModDemo

Get ready to take on a whole new horror-inspired challenge inFNFvs Sonic.EYX, a fan-made mod that brings a chilling twist to the classic Friday Night Funkin’ experience. This web-optimized version of the mod makes it easy for players on any device to jump right into the action — no downloads required.

In this eerie encounter,Boyfriendfaces off against Sonic.EYX, a dark and mysterious version of the iconic blue hedgehog. What twisted tricks does he have in store? The only way to find out is to dive into the mod’s intense rhythm battle and survive the beat.

Gameplay: A One-Song Spooky Showdown

The mod currently features a single playable track titled"Formatting", which sets a tense and unsettling tone for the entire experience. The song itself is challenging and atmospheric, perfectly matching the creepy vibe of the mod. As with most FNF horror mods, expect sudden jumpscares, intense visuals, and a nerve-wracking performance from Sonic.EYX himself.

This demo offers a glimpse into what could be a larger project, giving fans a taste of what's to come. It's a short but memorable experience that horror and FNF fans alike won't want to miss.

Web Port: Play Anywhere, Anytime

One of the biggest highlights of this version is itsweb optimization, making it possible to play directly in your browser. Whether you're using a Chromebook, Mac, Linux, or just have a low-end PC, this mod ensures that you can enjoy the game without hassle. It's a great option for those who want to experience the mod quickly and without using up hard drive space.

⚠️Please note:The web version may have slight differences or missing mechanics compared to the full PC build. For the complete experience, consider downloading the original mod for Windows.

Meet the Creators Behind the Mod

This mod is brought to life by a talented group of developers, artists, and musicians. Here's a look at the team behindFNF vs Sonic.EYX:

Mod Development Team

  • Jaronjackpot– Coder, Charter
  • FearEyes07– Artist/Animator
  • DanlyDaMusicant Team– Composer
  • INDECENT#1792– Icon Artist
  • _dog.#0702– Background Artist
  • Lemmeo– Playtester
  • CoolmanAJF– Script Writer

Game Engine & Original FNF Credits

The mod runs on a custom engine built by the FNF community. Credit goes to:

  • ShadowMario– Main Programmer
  • bbpanzu– Additional Programmer
  • RiverOaken– Main Artist/Animator
  • And all contributors on GitHub

Of course, we can't forget the originalFriday Night Funkin’team:

  • ninja_muffin99– Programming
  • PhantomArcade3kandevilsk8r– Artists
  • kawaisprite– Music
  • And the entire FNF GitHub community

Join the Community

Want to stay updated on future releases and projects from the team? Be sure to follow them on their social platforms and check out the officialFunkin.EYX Discord serverto connect with other fans and get the latest news.

Whether you're a long-time FNF modder or a newcomer looking to test your skills,FNF vs Sonic.EYXpromises a haunting good time. Will you survive the format?