Various cheats
     In  the  main menu, select Extras, then Secrets, then type in the
codes below to activate the desired cheat.

Cheat code:   Description:
A11T3AM5      Unlock All Teams (including Streetballers) 
Z26BEXW8      Micro Soccer (tiny players) 
WIMP A.I      Super easy mode 
SPEEDY01      Infinite sprint 
MAXSKILL      Maximum Skills 
GM2OPEN8      Unlock All Game Modes 
E06J3CT5      New item added to environment 
5Y104D9A      The Streetballers team unlocked