This page contains Sonic The Hedgehog Codes for Genesis called "Debug mode" and has been posted or updated on Jun 22, 2007 by TitanArmour. Let us know what you think of this Code by thumbs voting.
Press Up, C, Down, C, Left, C, Right, C, Start, then hold A at the title screen. Continue to hold A until game play begins. Screen coordinates will appear instead of a score and the number of objects displayed will appear instead of the time remaining. Use one of the following controller actions to enable the corresponding debug code. Note: This code may only be enabled on the first version of the game.
Press B during game play to change Sonic into a game object. Press A to change into a new object. Press C to place an object on the screen. Press B again to revert back to Sonic. Note: The type of object that may be selectable will vary from level to level.
Sonic is, by default, invincible in debug mode. Note: Sonic can still drown, be crushed, fall and die, etc. He is only invincible to enemy attacks.
Pause game play and hold B.
Pause game play and press A.
Pause game play and press C.
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