Sonic CD Creepy things...

[MrAlextov]

Did you knew there is demonic part of the game? The Game over music is very creepy...

[hudsthinking1999]

I realized. Everybody was talking about the secret message that supposedly is written by Satan. I think it's just a big hoax. After all, it was a joke to scare away piraters of the game...

BTW, this post should have got more attention!

[PSO]

Wait. Wut... This was a thing... That was discussed? Do say more

[Jenkins]

This secret message is real, afaik... you need a (cheat) code to enter this screen.