Buffy The Vampire Slayer
At the Extras Screen, press:
Unlock Multi-Player Arenas:
Y, Y, White, Black, Black, Y, Y, Y, Y, Y, White, Black
Unlimited health:
Y, White, Black, Black, White, Y, Black, Black, Black, Y, Y, Y
Slayer power:
Y, Y, Y, Black, Black, Black, Y, White, Black, Black, White, Y
Play as Dark Buffy in arena mode:
Black, White, Y, Y, Black, Black, White, Black, Black
Arena Mode ( Multiplayer):
YYW-BBY-YYY-YWB
where:
Y-Y button
W-White button
B-Black button