All of these codes must be entered at the title screen.

Effect	Code
Beast Select - Opens a menu where you can choose which beast you transform too on any level	Hold Y, B, A, Down, Left and press X.
Continue - Starts you off at the beginning of the last stage you played. Also must be used when changing the starting level with the Options code.	Hold Y and press X.
Options - A menu where you can change the starting level (see continue code), difficulty, health, and amount of lives.	Hold B and press X.
Sound Test - Listen to the Music and SFX of the game.	Hold Y, A, Up, Right and press X.