AFC: Asians Nations Cup
CONCEBOL: Gold Cup
CONCACAF: Copa America
UEFA: European Championships (Euro 2004)

Complete all rewards except the last locked one to unlock the FIFA Confederations Cup.

Panini Cards:
Win the following events to unlock the corresponding Panini 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

Easy win:
If you are losing a game in world class mode, press Start to pause game play. Choose "Side Select" from the pause menu, then move your controller under our opponent's name. Then, score your own goals as that team.