Table of Contents
Who this is for: Aspiring game modders, music creators, and FNF fans wanting to add their own songs to the rhythm game.
Ready to jump in? Play friday night funkin games and experience the original rhythm that started the modding revolution.
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Setting Up Your Modding Environment
Creating custom songs in Friday Night Funkin requires specific tools and files. You’ll need to download the source code from the official GitHub repository, along with HaxeFlixel development environment. Most modders also use programs like Audacity for audio editing and a text editor for JSON files.
Understanding FNF File Structure
Friday Night Funkin songs consist of several key components:
- Audio files – Instrumental track, voices, and individual note sounds
- Chart files – JSON data defining note timing and patterns
- Character sprites – PNG files for boyfriend, opponent, and background elements
- Week data – Configuration files that organize songs into playable weeks
Creating Your Audio Track
Start by composing your instrumental track and vocal melody. The standard tempo for FNF songs ranges from 100-150 BPM, though you can experiment with different speeds. Export your instrumental as “Inst.ogg” and vocals as “Voices.ogg” – these exact naming conventions are crucial for the game to recognize your files.
Charting Your Song
The charting process involves creating a JSON file that tells the game when and where notes should appear. You can use tools like FNF Chart Editor or modify existing chart files as templates. Each note requires specific data including timing (measured in milliseconds), direction (left, down, up, right), and whether it’s a regular note or sustained note.
Basic Chart Structure
Your chart JSON should include:
- Song metadata (name, BPM, difficulty)
- Note arrays for both player and opponent
- Section markers that define camera focus
- Event triggers for special effects
Adding Visual Elements
Custom characters require sprite sheets with specific frame dimensions and naming patterns. Background elements can be static images or animated sprites. Many modders start by recoloring existing sprites before creating entirely new artwork.
Testing and Debugging
Compile your mod frequently during development to catch errors early. Common issues include misaligned audio sync, incorrect file paths, and JSON formatting errors. The FNF modding community maintains helpful debugging guides and forums where you can get assistance.
Sharing Your Creation
Once your custom song works properly, you can package it as a mod file and share it on platforms like GameBanana or itch.io. Include clear installation instructions and credit any assets you’ve used from other creators. Ready to experience the rhythm gaming magic that inspired countless creators? Friday Night Funkin games offer the perfect starting point for understanding the mechanics before diving into modding.
TL;DR
Creating custom FNF songs requires audio files (Inst.ogg/Voices.ogg), JSON chart data, character sprites, and modding tools like HaxeFlixel. Chart your notes with proper timing and test frequently.
