Sonic CD was a Video Game released in 1993. Featuring Sonic the Hedgehog, Worth noting the game is infamous for it's Game Over Screens, Which are considered to be the scariest game over jingles of all time.
Scare Factor Edit
JP Version: None to Medium, Can be a little bit startling to those that haven't seen it before, But is considered harmless. But is nothing compared to the US Version.
US Version: Nightmare, Almost off the scale, The evil laughing & the music will scare almost anybody, Can be Nightmare inducing to younger players while older gamers might find it either scary or funny due to it being out of place in a Sonic Game, But regardless. This is considered to be one of the scariest game over screens in not only the Sonic Series. But gaming in general. & not something you want to play at night.