Instructions
Select the "My 2010 FIFA World Cup" option from the main menu of "FIFA Soccer '10."
Choose the "EA Extras" option and then select "Unlockable Code Entry."
Enter "WSBJPJYODFYQIIGK" into the code box to unlock the Adidas 11 superstar teams. You will hear a sound once entered to alert you of a successful entry.
Type either "HHDO-PWPM-IXZQ-OJOZ," "OCEG-ZCUH-XOBS-BNFU," "YOZC-CVIF-JGKQ-JWTW" or "VOKM-NEZT-JOQP-ULUT" to unlock new soccer cleats. Once the cheats are entered, these new cleats will be available when customizing your players.
Enter the cheat, "FGWIXGFXTNSICLSS" to gain access to the soccer ball used during the World Cup matches.