Sonic 3D Blast — Cheat codes

Konami Code in Final Level of 3D blast.
So, I've only tested this on the Genesis version (not emulator), and only tested it after I got to the final level through the BARRACUDA code, but if you use the Konami code on the final level it skips to the end screen were sonic is flying away and robotnic is defeated.

Beat the game.    

Up Up Down Down Left Right Left Right B A Start

Level Select
Go to the Press Start screen and enter the code: B,A, Right, A, C, Up, Down, A (or baracuda). You should then be taken to the main screen. Press the Start Option ad the level select will appear next. Choose your level and begin play.

Crash to Level Select
If the game crashes, it will take you to the Level Select menu. Wobbling and tapping the game cartridge will usually cause such a crash, taking you to this screen.

Quick Emerald Gain
Enter the Level Select code, and go to a level/act with Knuckles or Tails in it. Enter one of their bonus levels by collecting 50 rings. When the bonus level begins, press A + Start (or pause the game and press A) and you will instantly obtain the emerald of that bonus level.

Skip levels
Do the level select code and start the game in any level. To skip levels, pause the game and press A.

Stage Select (Alternative)
Beat the entire game with all the Chaos Emerald. After the credits, the stage select will be on.