Cheat mode
At the main menu, hold L1 + L2 + R1 + R2 + Triangle + Square + Circle to unlock all bonuses.

Maximum speed, power, tackling, tricks, etc.
At the main menu, hold L1 + Triangle and press Left(3), Up, Down(2).

All apparel
At the main menu, hold L1 + Triangle and press Up(2), Left, Up(3), Down, Left.

All apparel and footwear
At the main menu, hold L1 + Triangle and press Right(2), Left, Up(3), Down, Left.

Mini-players
Pause the game, then hold L1 + Triangle and press Up, Left, Down(2), Right, Down, Up, Left.

Normal size players
Pause the game, then hold L1 + Triangle and press Right(2), Up, Down(2), Left, Right, Left.

Easy goals
When you are at the bottom left or right of the pitch, cross to a nearby player and head it. You will score about 95% of the time and about 60% of the time you will do a classy goal.