Sonic CD is a side-scrolling platform game developed by Sonic Team and published by Sega. It was released for the Sega CD console in 1993. The game features an easter egg that has been dubbed “Creepy Sonic”.

The Creepy Sonic easter egg is a hidden scene that can be accessed by playing the game on a Sega CD console and pressing a specific sequence of buttons on the controller. The sequence of buttons is Up, Down, Left, Right, A, B, C, Start. When the sequence is entered correctly, the player will be taken to a hidden scene that features a …