Friday Night Funkin' Chaos Nightmare - Sonic vs Fleetway

Friday Night Funkin' is an open-source donationware rhythm game first released in 2020 for a game jam. The game was developed by a team of four Newgrounds users, Cameron "Ninjamuffin99" Taylor, David "PhantomArcade" Brown, Isaac "Kawai Sprite" Garcia, and evilsk8r.

And this is only a mod created for the game.