Friday Night Funkin vs YCTP Baldi

Rating:4.1 (144 votes)
Released:May 17, 2026
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Survive a Math Class Rap Battle in This FnF Mod

InFriday Night Funkin’ vs YCTPBaldi,Boyfriendfinds himself in an unexpected situation — stuck in math class and ambushed by none other than Baldi fromBaldi’s Basics. What starts as a pop quiz quickly turns into a high-stakes rap battle with the intense track “Mathematical.” This fan-made mod brings together two iconic indie game characters in a fast-paced musical showdown.

The mod is especially popular for its performance optimization, making it ideal for players using low-end devices or those who prefer playing through a web browser. Whether you're on a school Chromebook or just want a quick session without downloading anything, this unblocked version keeps the action going wherever you are.

Gameplay Overview

During what should’ve been a normal math lesson, Boyfriend gets caught off guard when Baldi suddenly appears and challenges him to a rap battle. The player must keep up with the rhythm and out-rap Baldi to survive the encounter. The song “Mathematical” sets a challenging pace that will test even experiencedFNFplayers.

This crossover combines the eerie school vibes ofBaldi’s Basicswith the classic arrow-matching mechanics ofFriday Night Funkin’, giving fans a unique and thrilling experience that stands out among other mods.

Song List

  • Mathematical– A high-energy track that blends horror-themed soundscapes with rapid-fire note patterns, perfectly capturing the chaotic spirit of both games.

Mod Creators & Contributors

This mod was brought to life by a talented group of creators and developers. Here's a look at the key contributors:

Main Mod Team

  • Artz and Crafters BSP– Did virtually everything, from coding to design. Check out hisYouTube channel.
  • Baldi’s Basics in Funkin’– Provided official Baldi vocals. You can find more on theirchannel here.

Psych EngineDevelopment

Powered by the widely usedPsych Engine, which enhances performance and compatibility across systems:

  • ShadowMario– Main programmer
  • bbpanzu – Additional programming
  • River Oaken – Main artist/animator
  • Community contributors via GitHub

Original FNF Credits

We also tip our hats to the original team behindFriday Night Funkin’:

  • ninja_muffin99 – Programming
  • PhantomArcade3k and evilsk8r – Artists
  • kawaisprite – Composer
  • And all open-source contributors on GitHub

Play Anytime, Anywhere

One of the major goals of this web port is to increase accessibility. Not everyone has a powerful PC, Mac, Linux machine, or the ability to run .exe files. With this online version, players can enjoy the mod directly in their browser — no downloads required. It's perfect for students, casual gamers, or anyone looking to jump into a quick and exciting rhythm challenge.