All Teams and Modes
At the Main Menu, press Up, Up, Right, Right, Y, Y, Y.

Remote Control Ball
Pause gameplay and press Up, Up, Down, Down, Left, Left, Right, Right, TL, TL, TL, TR, TL, TR, TL on the D-Pad. Now hold TR + TL, and press Left or Right on the D-Pad to move the ball.

Bonus national classic matches
Win all four classic matches games to unlock four national classic matches.

Certification mode
Achieve at least a 3 out of 10 on every test in certification mode to unlock National Team Qualifiers and National Teams Finals, as well as the following teams: Albania, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bosnia, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, England, Estonia, Faroe Islanda, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, Israel, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Malta, Moldova, Netherlands, Northern Ireland, Norway, Poland, Portugal, Republic of Ireland, Romania, Russia, San Marino, Scotland, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, Wales, and Yugoslavia.

Achieve at least a 3 out of 10 on every test in certification mode to unlock the Territories Cup, as well as the following teams: Cameroon, Canada, Egypt, Jamaica, Mexico, Morocco, Nigeria, South Africa, Tunisia, and U.S.A.