Easter Island heads:
Enter Up(2), Down(2), Left, Right, Left, Right, Square, 
Circle, Start when "Press Start" appears at the title screen. 
The sound of a crowd cheering will confirm correct code 
entry. Players will have large square stone heads and 
uniforms with the Konami logo. If the code is entered 
prior to a two player game, player one's team will have 
the large heads, while player two's team will be normal. 

Revolving camera mode: 
Enter Up(2), Down(2), Left, Right, Left, Right, Triangle
(2), Start when "Press Start" appears at the title screen. 
Press Select during a game for additional camera modes, 
including a close-up mode that only displays one or two 
players. In this mode, the invisible players are present, 
but are off-camera.