Play as Boss:
Beat the game using all 20 characters. Then at the character selection screen, press Down at the
leftmost or Up at the rightmost fighter.

More Options:
Beat story mode on the easy difficulty setting. Then at the character selection screen, highlight a
fighter and press L2 to choose a new costume. Additionally, the number of continues and rounds may
now be adjusted in the sound test screen.

Slow Motion Replay:
Hold Select before the replay begins.