Sonic Mega Collection Plus -- Sonic 3 and Knuckles Stage Select and Debug Mode
Sonic 3 and Knuckles Stage Select and Debug Mode:Sound Test/Stage Select: In Angel Island, continue through the level until you come to the swinging vines near the bonus stage ring and jump up and grab one. While swinging, press Left, Left, Left, Right, Right, Right, Up, Up, Up. You should hear a ring chime. Now pause the game and press X to return to the main menu. There should be a new option, Sound Test. Select it and you will enter the sound test/stage select menu.
Debug Mode: In here select Mushroom Hill Zone and play through the stage until you come to the ratchet machine. Jump up and hang from it then press Left, Left, Left, Right, Right, Right, Up, Up, Up. Now pause and press X again to reset. Go back to the level select menu and select any level while holding X and you can now use debug mode which allows you to change in and out of objects from the current level by pressing A, change the current object by pressing B, and make a copy of the current object by pressing X. Also you can reset the game any time by pausing and pressing X.
