Cheat mode:
Press Square at the rewards screen.


Cheat options:


Big melon / big head mode:
Win the European Champions' Cup.


Crazy ball (press Square while passing):
Win the EFA Trophy.


No outs:
Win the European Championships.


Players fall down when the ball is too long in possession:
Win the Copa America.


Giant ball:
Win the Gold Cup.


Crowd:
Win the Champion's League (ECC) and any League Title in professional mode. Only five players will remain.


Goal counts 2:
Win the Champion's League (ECC) and any League Title in professional mode. Put the ball in the onion bag outside the 18 yard box.


Bonus tournaments:
Win the following World Cup qualifications to get the corresponding bonus tournaments:
AFC: Asians Nations Cup
CONCEBOL: Gold Cup
CONCACAF: Copa America
UEFA: European Championships (Euro 2004)
Complete all rewards except the locked one to get the FIFA Confederations Cup.


Cards:
Win the following events to get the corresponding Cards at the rewards screen:
AFC World Cup qualification: Myung Bo Hong
UEFA World Cup qualification: Francesco Totti
CONMEBOL World Cup qualification: Roberto Carlos
CONCACAF World Cup qualification: Ruud Van Nistelrooy
EFA: Nuno Gomez
European Championship Cup: Iker Casillas
European Championship: Thierry Henry
Copa America: Henrik Larsson
Gold Cup: Thomasz Rodzinski
FIFA Confederations: Steve Marlet


Teams in friendly match mode

American team:
Complete the World Cup with an American team.


European team:
Complete the World Cup with an European team.


Asian team:
Complete the World Cup with an Asian team.


African team:
Complete the World Cup with an African team.


World team:
Get all the other teams that are mentioned above.