sprunkicharacter

If you're into music games with a creepy twist, you need to check this out. Sprunki lets you drag and drop cute characters to make beats, but switch to Horror Mode and everything turns terrifyingly fun. The character transformations are wild!

Full character list with horror versions and hidden unlocks here:
https://www.sprunky.org/ja/sprunki-characters

Totally free, no install, just open in browser and start creating nightmare music. Highly addictive!