Sega Smash Pack Volume 1 Cheats

At the title screen, press Up, A, Down, A, Left, A, Right, A, Start, then hold X. Continue to hold X until the game begins. Screen coordinates will appear instead of a score and the number of objects displayed will appear instead of the time remaining. Whilst in debug mode you can do these things by pressing the right controller buttons...

Change into Object - Press A
Change Object - Press X
Place object - Press B
Change back to Sonic - Press A again
Invincibility - Sonic is always invincible in debug mode
Restart - Pause the game and press X.
Frame Advance - Pause the game and press B.
Slow-motion - Pause the game and hold A.

Execute a big move, then pause the game during the animation and choose to restart. The move you just did will register on your new game.

Go to the Options Screen and move down to the Shurikens option. Set the number to 00. Now wait. After waiting you will see the number 00 turn into an Infinite symbol. You will now have Infinite Shurikens throughout the whole game.

Complete any level with a number of shurikens equal to 11 times the number of remaining lives to add 30,000 bonus points to your score.

While in the middle of a game, pause the game. Hold the A button. While holding A, now Move around using the D-Pad. You will be moving in slow motion.

Continuously press B to display the control menu and press A to close it while holding the D-pad in any direction.