FNF Threefolding Knockout (Triple Trouble but Cuphead)

FNFxCupheadCrossover Rhythm Game

Get ready to step into the whimsical yet challenging world ofCupheadwith a musical twist!FNF Threefolding Knockoutbrings the intense beats ofTriple Troublefrom the popularFNF vsSonic.exemod and reimagines it in the style of the hit indie gameCuphead. This fan-made reskin lets you go head-to-head with iconic characters likeMugman,Cuphead,Ms. Chalice, and even theDevilhimself—all in a slick, browser-friendly version powered by thePsych Engine.

Whether you're a die-hard Friday Night Funkin’ player or a fan of the run-and-gun action ofCuphead, this mod promises a unique and engaging experience. The mod keeps the high-energy rhythm gameplay of the original while giving it a full Cuphead aesthetic overhaul.

Gameplay & Features

InFNF Threefolding Knockout, you play as the classicBoyfriendcharacter, trying to out-rap a series of opponents inspired by theCupheaduniverse. The mod features a full cast of characters from the show, each with their own unique animations and visual flair. The track itself is a high-octane rap battle that matches the chaotic energy of theCupheadworld.

The mod is built using thePsych Engine, which allows for a fully functionalweb-based version. This means you can play the mod directly in your browser—no downloads or heavy system requirements needed. It’s perfect for those onChromebooks,MacOS,Linux, or anyone with a low-end PC that struggles to run traditional .exe versions of FNF mods.

Web Port Advantages

• No download required– play instantly in your browser
• Cross-platform support– works on Windows, Mac, Linux, and Chrome OS
• Saves storage space– no need to install large game files
• Optimized for lower-end devices– great for “potato PCs”

⚠️ Note: While the web version is highly optimized, some features or mechanics from the original PC build may differ or be missing. For the complete experience, consider downloading the desktop version if available.

Meet the Mod Creators

This mod is a true community effort, blending the creative talents of several key contributors:

Mod-Specific Credits

Psych Engine Team

• ShadowMario– Main Programmer
• bbpanzu– Additional Programming
• RiverOaken– Main Artist / Animator
• And many more from thePsych Engine GitHub

Original FNF Contributors

• ninja_muffin99– Lead Developer & Programmer
• PhantomArcade3k&evilsk8r– Artists
• kawaisprite– Composer
• And the entire FNF open-source community

Final Thoughts

FNF Threefolding Knockoutis a must-play for fans of bothFriday Night Funkin’andCuphead. With its vibrant visuals, catchy track, and easy accessibility through the web version, it’s a great way to enjoy a unique crossover mod without the hassle of setup. So grab your controller, challenge the Devil, and see if you’ve got what it takes to win thisknockoutrhythm battle!