Soul Calibur

At the character selection screen, press Y to alternate all characters costumes. Press Y again to change all characters costumes back to their original.

Beat all missions to get a new Title screen. Enable Inferno and all 338 pictures in the Art Gallery for another Title screen.

Highlight Sophitia and continuously press one of the following buttons or combinations at the character selection screen until she performs her pre-battle pose:

X
Y
B
X + B
X + Y
Y + B
X + Y + B

Successfully complete the game, including the bonus stages, with every character.

During the replay, press B to change the focus to the losing character.