Corrosion - Friday Night Funkin Reskin - UnknownBf is a visual overhaul that introduces new characters Hailey and Harv into the rhythm arena. The mod is based on the Phineas and Ferb universe, offering a fresh aesthetic for FNF unblocked players.
Use WASD or Arrow keys to hit notes. You can also rebind keys in the options menu. On the title screen:
This reskin is presented by @UnknownBf7905 (subscribe on YouTube: https://www.youtube.com/@UnknownBf7905). Engine credits go to @a-d-e-n. The original Corrosion mod was created by Milo008, and the Hailey & Harv characters were designed by @UnknownBf7905. The mod is based on Phineas and Ferb themes.
Enjoy your time with this creative reskin. For more FNF mods and full week experiences, explore our site.
If you're a fan of Phineas and Ferb or just want a unique visual twist on Friday Night Funkin, this reskin delivers. The custom characters Hailey and Harv bring new personality to the rhythm battles, and the engine from @a-d-e-n ensures smooth online play. No download needed – play directly in your browser.