Cheat Codes:
Use the “Player Edit” option to change a player name to one of the following entries. The corresponding selection will be unlocked on the “Special Options” box that appears. 
CHEAT FUNCTION – CHEAT CODE
Big head mode – eac rocks or gabo 
Take A Dive – johnny atomic or cartman 
Crazy ball – dohdohdoh or mrhat 
Invisible walls – ur1ofus 
Hot potato mode – xplay or gonzo 
Silly moves – footy or powder 
Classic 1982 match – zico 
Classic 1966, 1970, 1974, 1982 matches – hurst 
Crowd leaves stadium – city 
Ball on fire – kenny 
Skeleton players – kyle 
Alien mode – neila 
Super team:
Select the “AC Milan” team and type worldwide during game play. 
Crowd sounds:
Score a goal and repeatedly press one of the following keys or buttons to hear the corresponding crowd sound. 
SOUND – BUTTON
Loud drums – Shoot 
Horns – Lob/Long kick 
Crowd cheers – Pass 
Normal drums – Sprint
Play five a side football:
Go to the “Friendly” menu and choose your teams. Then on the stadium selection screen, choose the indoor arena.
Replay score:
When you look at the replay of a goal, adjust the camera so that you can see the scoreboard. The goal is already registered before the ball goes into the net.
Transforming player:
When one of your players has possession of the ball, do the following. Go to Team Management and press “Substitution”, click on the player that has the ball, and swap him with another player that is already on the field, so that they swap positions. Return to the game and the player will magically transform into the player that he swapped positions with. This will be more noticeable if the players are of different races.
Four red cards:
Simply start an indoor soccer game and get four red cards. The game will freeze, requiring you to shutdown your computer by powering off.
