FNF vs Sonic CD (vs Metal Sonic)

Battle It Out in This Epic Rhythm Showdown

Get ready to drop the beat against one ofSonic’s most iconic villains!FNFvs Sonic CD (vs Metal Sonic)is a full week mod for Friday Night Funkin’ that brings the high-speed energy of Sonic CD straight into your rhythm battles. Using the powerfulPsych Engine, this mod ensures smooth performance and web-friendly play so you can enjoy it anytime, anywhere — no high-end PC required.

In this mod, you take on the role ofBoyfriendas he goes head-to-head withMetal Sonic, the mechanical menace from Sonic CD. But the real twist? EvenNormal Sonicshows up to help out in this ultimate showdown!

Tracklist: High-Octane Beats from the Sonic Universe

This mod features a trio of original and remixed tracks that bring the attitude and speed of the Blue Blur universe:

• Iron Bars– A hard-hitting opener that sets the tone for the battle.
• Metalic-Chaos– A chaotic, intense track that captures the essence of fighting a robotic rival.
• Speedway– The final song, bringing the heat with fast-paced rhythms and electrifying energy.

Each track is designed to challenge your timing and keep you engaged from start to finish. Whether you're a long-time FNF player or a Sonic fan looking for a new experience, these songs deliver.

Game Engine and Performance

Built using thePsych Engine, this mod is optimized for both performance and accessibility. The engine allows for better frame rates, smoother animations, and enhanced modding capabilities, making it a top choice for modern FNF mods. Plus, theweb-optimized versionmeans you can play directly in your browser — perfect for Chromebooks, Macs, Linux systems, or any device where running .exe files isn't possible.

Mod Credits

Huge thanks go out to the talented team behind this mod. Their creativity and technical skills made this crossover between two beloved franchises possible:

Mod Development Team

• SOMEONE FROM 4CHAN– Original creator
• ShadowMario– Main programmer (Psych Engine)
• bbpanzu– Additional programming
• RiverOaken– Main artist/animator
• And all the contributors from the GitHub community

Original FNF Creators

• ninja_muffin99– Programming
• PhantomArcade3kandevilsk8r– Artists
• kawaisprite– Music
• Plus everyone who contributed to the open-source project on GitHub

If you enjoyed this mod, consider supporting the creators by following their social media pages, subscribing, and sharing their work. The FNF modding community thrives on passion and collaboration — and this mod is a great example of that spirit.