Mouse Nightmare - Friday Night Funkin

Mouse Nightmare – Friday Night Funkin

Mouse Nightmare is a thrilling Friday Night Funkin experience based on the original Chaos Nightmare Mod from GameBanana. This online version brings the nightmare-themed rhythm battle directly to your browser with multiple control options and quality-of-life features.

Controls and Gameplay Features

You can play using three different control schemes:

• Arrow keys – Classic FNF setup
• DFJK – Alternative layout for different hand positions
• ASL – Another flexible option

Special gameplay features:

• Press P to activate Botplay – watch the AI play the song perfectly
• Press E to toggle Downscroll – notes fall from top to bottom instead of bottom to top

Credits and Engine Information

This mod was made possible by several contributors:

• @FlyingMusicNote – Engine Creator
• @Epicboy26 – Mod Porter
• @Shmish21 – Input / Charting System Creator
• Original Chaos Nightmare Mod – available at gamebanana.com/mods/359046

The engine data is Poly, version 0.1.2.9. Report any bugs to @Ceemech. Cover credit goes to Joaquin G4m3r (YouTube link in description).

Play Mouse Nightmare FNF online for free. Whether you want to challenge yourself with the nightmare difficulty or use botplay to learn the song patterns, this FNF mod delivers a polished experience. No download required – just your keyboard.