Sega CD Cheats - Sonic CD

Programmer high scores

Press Right(2), Up(2), Down, C at the title screen.

Level select

Press Up, Down(2), Left, Right, B at the title screen while "Press Start" is blinking. A sound will confirm correct code entry. Note: Only one level may be played if this code is enabled.

Cloud change

Hold A and press Up, Down(4), Up at the title screen while "Press Start" is blinking. Use the D-pad on controller two to change the appearance of the clouds and other effects.

Suicide

Pause game play and press A, B, or C.

Invisible Sonic

Move behind an object and press B.

Secret Special Stage

In the sound test menu, put 07, 07, 07 in all sound modes, and then press Start. A message like ''WELCOME TO THE SECRET SPECIAL STAGE'' shall appear. Complete this and you'll get something special in return.

View best ending movie

To view the best ending movie, collect all the Time Stones, and get the good future for every level.

Visual Mode

Beat the Time Attack Mode under 25'46''12. You'll open up a new option in the main selection screen called Visual Mode.

Japanese message

Enter these numbers at the sound test:FM no.46, PCM no. 12, DA no. 25 then press start. A Japanese message with creepy sonic should appear.

Secret Demo Mode

You must first beat the game in Time Attack Mode in under 37'27''57. Then return to the title screen to find a new option open: D.A. Garden