Double health and speed in versus and team
modes: Press Down(2), Up, Down, Left,
Right, Down, Up(3), Right, Left,
X at the title screen. The screen will flash to confirm
correct code entry.
Alternate versus mode characters: Press L(2), Down(2), Black, White,
Black, White, R, L, Black,
R(2), White at the character selection screen in
versus mode. The screen will flash to confirm correct code entry.
Alternate team fighter characters: Press L(2), Down(2), Black, White,
Black, White, R, L, Black,
R(3), White at the character selection screen in
team fighter mode. The screen will flash to confirm correct code
entry.
Large characters at world map: Press Left, X, Up, Y, Right,
B, Down, B at the title screen. The screen
will flash to confirm correct code entry.
Elephant Pool arena: Win twenty team battles to unlock the Elephant Pool
arena in versus mode.
Metal Age arena: Win one hundred arena battles to unlock the Metal Age
arena in versus mode.
