To remove '& Knuckles' from the game's title screen, title cards and endings, play sounds 01, 09, 09, 04, 00, 02, 00, 02 (February 2, 1994, the US release date of Sonic 3).Brand-new sprites for the Super Peel-Out were created for Sonic.To give Sonic the Super Peel-Out from Sonic the Hedgehog CD, play sounds 01, 09, 09, 03, 00, 09, 02, 03 (September 23, 1993, the Japanese release date of Sonic CD).To enable infinite continues in Classic Mode, play sounds 01, 09, 09, 02, 01, 01, 02, 04 (November 24, 1992, the US/European release date of Sonic 2 this is also the Debug Mode cheat from Sonic 2).To enable the original shields from previous Sonic games (using their design from Sonic 2), play sounds 01, 09, 09, 01, 00, 06, 02, 03 (June 23, 1991, the official launch date of Sonic 1).To start with all Super Emeralds, enter this cheat twice.To start with all Chaos Emeralds, play sounds 04, 01, 02, 06 (exactly the same as it is in Sonic 2).To enable Debug Mode, play sounds 01, 09, 09, 04, 01, 00, 01, 08 (October 18, 1994, the US/European release date of Sonic & Knuckles this is also the Debug Mode cheat from Knuckles in Sonic 2).To play a specific Special Stage, play a sound from 00-0F and then select Special Stage.As in prior games, the Sound Test allows several cheats: Then, scroll down the list of menu options and select Sound Test. If performed correctly, you will hear a ring chime. Notably, Origins removes the requirement of needing to enter it in the rather narrow timeframe between the Sega logo background turning black and the white flash just before the title screen. The Level Select is enabled the same way as in Sonic the Hedgehog 3: Up, Up, Down, Down, Up, Up, Up, Up.

Sonic 1 unused sprites