Jikkyou World Soccer: World Cup France '98 cheats and cheat codes for Nintendo 64

Enable giant head mode:
Go to the title screen and press the following button combination:
press C-Down(2 times), C-Up(2 times), C-Right, C-Left, C-Right, C-Left,
B, A, Z + Start.

Unlock all-star team:
Finish the World League at level 4 or higher. After, playing against
the World Stars. During the match press Up, C-Up, Up, C-Up, Down, C-Down,
Down, C-Down, Left, C-Left, Right, C-Right, Left, C-Left, Right, C-Right,
B, A, Z + Start.