FNF Gaster Rap

Face Off Against the Mysterious WD Gaster in This Epic Rhythm Battle

Get ready to step up your rhythm game skills inFNFGaster Rap, a thrillingFriday Night Funkin’mod that brings one ofUndertale's most enigmatic characters to the mic. In this intense rap battle, you play asBoyfriendas he goes head-to-head with the shadowy WD Gaster. With haunting beats and pixel-perfect animations, this mod delivers a unique and challenging FNF experience that’s perfect for fans of both games.

Whether you're a long-time FNF player or a newcomer drawn in by the mod's dark aesthetic, Gaster Rap offers a fresh take on the classic formula. The mod is also available as a web port, making it easy to play directly in your browser without downloading or installing anything — great for those with limited storage or device restrictions.

What Makes FNF Gaster Rap Special?

This mod stands out thanks to its atmospheric visuals, original music, and the mysterious presence of WD Gaster, a character shrouded in myth among Undertale fans. The eerie vibe, combined with challenging note patterns, makes for a memorable and intense musical showdown. The mod captures the essence of Gaster's cryptic nature, making it a must-play for Undertale enthusiasts and FNF veterans alike.

How to Play

The FNF Gaster Rap mod is available to play online, allowing for quick access from any device with a web browser. It's especially useful for users on school Chromebooks, Macs, or Linux systems that can't run traditional .exe files. While the web version is convenient, it may differ slightly in features or performance compared to the full PC download, so consider grabbing the original if you want the complete experience.

Mod Creators & Contributors

Key Mod Team

• Fabs_: Code
• fluffyhairs: Song composition
• gRozebud":Pixelart for Gaster and background elements
• Salterin0: Backgrounds and original sprites
• Ziffyclumper: Icons and UI assets

Special Thanks

• Gaster: Guest star and inspiration

Game Engine & Core FNF Credits

This mod runs on the official Friday Night Funkin’ engine, built and maintained by a talented team of developers:

FNF Modding Engine Team

• ShadowMario: Main programmer
• bbpanzu: Additional programming
• RiverOaken: Main artist and animator
• And all the amazing contributors from the FNF GitHub community

Original FNF Development Team

• ninja_muffin99: Lead programmer
• PhantomArcade3kandevilsk8r: Artists
• kawaisprite: Composer and musician
• Plus, contributions from the open-source FNF community on GitHub

Dive into the darkness, test your rhythm skills, and see if you’ve got what it takes to beat WD Gaster in this unforgettable FNF mod!