Change speed of CPU...
	Change Wrestler attire...
	Play as Keiji Mutoh...
	Sound Test...

At the title screen enter: A, B, X or Y (three times) then press R.

At the title screen enter: Hold X, L or R (speed code must be on)

To play as the hidden boss character Keiji Mutoh, hover over The Great Muta at the character selection screen then hold the L, R and X buttons. If done correctly, the screen will flash for a brief second. Now press the A button on The Great Muta to play as Keiji Mutoh.

At the title screen enter: Up, Down, A, Up, Down, A.