Cheat codes:

Passwords:
New Object in Inventory - E06J3CT5
Unlimited Turbo - SPEEDY01
Unlock Streetballerteam - 5Y104D9A
All Gamemodes - GM2OPEN8
All Teams - A11T3AM5
Max. Skills - MAXSKILL
Micro Soccer - Z26BEXW8

Streetballer team:
Enter 5Y104D9A as a code under the "Extras" screen. A message will appear to confirm correct code entry.

Weak CPU players:
Enter WIMP_A.1 as a code under the "Extras" screen. A message will appear to confirm correct code entry.