FNF Mario's Madness
FNF Mario's Madness is a large horror-themed Friday Night Funkin' mod that reimagines Super Mario characters as eerie, corrupted beings. Released in 2021 and expanded with later versions, it draws on internet creepypasta stories and retro game glitches. Its most famous antagonist is MX, a towering, menacing version of Mario. With dozens of songs and impressive retro-inspired visuals, it is one of the most ambitious FNF mods.
Choose a song or week and hit the arrows in time with the music. Many songs feature unusual mechanics, such as distorted visuals, screen effects or notes that behave differently. Keep the health bar on your side to survive each encounter.
Mario's Madness taps into a long tradition of creepy fan stories about classic games. Its creators combined unsettling art, haunting music and retro effects to create a mod that feels like a haunted cartridge. Its scale and quality earned it a large following among FNF and horror fans alike.
Mario's Madness is packed with hidden songs and secrets. Some are unlocked by completing other songs, while others require exploring the menus or finding hidden triggers. This encourages players to dig deeper and replay content. Fans have created guides to the mod's many hidden tracks, and discovering them yourself adds an extra layer of excitement to the experience.
Because many songs are inspired by specific retro games and fan stories, longtime Mario fans often enjoy spotting references in the backgrounds and music. Taking breaks between songs is a good idea, as the horror atmosphere can be intense during long sessions.
No. It is a fan-made, non-commercial mod inspired by Mario characters.
Yes. It runs in the browser with no installation.
Yes. It contains horror imagery and jumpscares, so it is best for teens and older players.