Bonus teams:
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 when the phrase "Press Start" 
flashes on the title screen. Then, hold Z and press Start. A sound will 
confirm correct code entry. Five bonus teams may now be selected: Euro Stars 
A, Euro Stars B, African Stars, Asian Stars, All American Stars. 

World Stars team:
Press Left, C-Left, Right, C-Right, Left, C-Left, Right, C-Right, Down, 
C-Down, Down, C-Down, Up, C-Up, Up, C-Up, B, A when the phrase "Press 
Start" flashes on the title screen. Then hold Z and press Start. A sound 
will confirm correct code entry. 

Big heads:
Press C-Down(2), C-Up(2), C-Right, C-Left, C-Right, C-Left, B, A when the 
phrase "Press Start" flashes on the title screen. Then, hold Z and press 
Start. The sound of laughter will confirm correct code entry.

Other head views:
Enter the player creation screen or any point where a player is pictured. Then 
hold C-Up and press Z, L, or R. The face will turn around. 

Player tricks:
Hold C-Left during game play to perform various tricks, depending on player. 

Call a foul:
Quickly hold the D-pad in any direction and press A + B + L + R when a player 
is tackled but does not fall. Alternatively, press C-Left + C-Right + C-Up + 
C-Down.