Cheat Codes
Unlock Yami Yugi:
From the title screen, enter the Cheat Code: R, LEFT, B, RIGHT, Up and R, RIGHT, DOWN, A
Unlock Kaibaman:
From the title screen, enter the Cheat Code: DOWN, B, LEFT, RIGHT, RIGHT, R, Up and R, A
Unlock Yami Bakura:
From the title screen, enter the Cheat Code: L, DOWN, RIGHT, LEFT and B, R, DOWN, DOWN, A
Unlock Grandpa:
From the title screen, enter the Cheat Code: L, RIGHT and B, RIGHT, B, R, LEFT, DOWN, A