Many Cheats

CHEAT MODE:

Start a new game and enter- Secrets as a name to open the "secrets" option. Highlight the "enter secret code" option and press "X." Then you can enter one of the following passwords. Note: they CAN be saved on a memory card. Also, some codes have multiple settings... if so, press "LEFT or RIGHT" after highlighting the code to adjust the settings.

Seaweed - aqua court
Scary - Halloween costumes for home team
Freaky - costumes for visiting team
Cloak Home - invisible home team
Cloak Away - invisible visiting team
Lizard - chameleon players home team
Reptile - chameleon visiting team
Eyepatch - created players wear eye patches
Monocle - created players wear a monocle
Prisoners - programmer players on free agent list
Toque - ???
Pin rocks - ???

BONUS TEAMS:
Enter the "Rosters" screen and select the "Create Custom Team" option and enter one of the following locations and team names to activate the corresponding team that consist of the members of the development team.

LOCATION TEAM NAME
EA Europals
Hitmen AllSorts
Hitmen Coders
Hitmen Earplugs
Hitmen Idlers
Hitmen Pixels
QA Campers
QA DBuggers
QA Testtubes
TNT Blasters