Random character: Press A + B + Select + Start
at the character selection screen in any mode except for single
player. Note: Some of the characters that you may be assigned
include the twenty four that you normally cannot select.
Sound test: Press Select + B at the title screen.
Play as Boss characters: Successfully complete Story mode under the third difficutly
setting.
Play as Stage 2 to 4 characters: Successfully complete Story mode under the second difficutly
setting.
