Sonic CD

If you leave Sonic alone for three whole minutes, he will leave the screen and say ''I'm Outta Here!'' Be warned that the game ends this way.

Press Down, Down, Down, Left, Right, A at the title screen while ''Press Start'' is flashing to display the sound test menu. Set one of the following sound combinations and press Start to enable the corresponding cheat function. The sounds would be like FM07 and special levels would be the result.

Enter FM07, PCM07, DA07 for special levels
Enter FM42, PCM03, DA01 to view a hidden scene
Enter FM46, PCM12, DA25 to view a hidden scene
Enter FM42, PCM04, DA21 to view a hidden scene
Enter FM40, PCM12, DA11 to view a hidden scene
Enter FM44, PCM11, DA09 to view a hidden scene

At the title screen, press: Down, Down, Down, Left, Right, A

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

Complete the game, then restart the game in "Time Attack" mode. The following options will be available if the "Time Attack" game can be completed within the corresponding time limit.

Music test
Complete "Time Attack" mode within 37:27:57. A "D.A. Garden" option will appear to the left of the "RAM Data" option on the main menu. The Planet of Mobius will be displayed. Hold B and use the D-pad to rotate the planet. Hold C and use the D-pad to zoom in and out. Press A to play the game music.

Play bonus levels
Complete "Time Attack" mode within 30:21:05, then press Left at the "Time Attack" screen.

View video sequences
Complete "Time Attack" mode within 25:46:12. A "Visual Mode" option will appear to the left of "D.A. Garden" option on the main menu. Use this option to view the video sequences in the game.

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

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