Friday Night Funkin’: Sonic the Hedgehog

Friday Night Funkin' Sonic the Hedgehog is a mod where Sonic tries to win back his girlfriend's love. You have to hit the correct notes at the correct time to finish the levels and battle hard opponents. The game has new mixes and characters each week, with colorful pictures making you feel like you're in Sonic's world. It was made by Stupid Shit Fart.