Infinite creation points:
Enter to "Rosters", then select "Edit Player" option. Choose the players
that you want to be maxed out. Go to his attributes, then increase
all attributes to 99.
Change music:
Hold Square and push R1 or L1 at the help menu to change the music.
Unlock Hidden Team - The Mummies
Have a saved game file from any EA Sports racing game on your memory card.
Unlock Hidden Team - Marshals
Have a saved game file from any EA Sports football game on your memory card.
Unlock Dodge City Stadium
Have a saved game file from any EA Sports football game on your memory card.
Unlock Cheerleader and Pump Up Crowd Cards:
Finish the "Game Situation" challenges in mini-camp mode.
Cheerleader Cards and game cheats:
Reach a gold rank in any event on the Pro, All Pro and Rookie levels.
Break tackles:
Press L1 and R1 immediately before you get tackled.
Unlock Players
Kevin Butler
Get Gold in All-Madden Coffin Corner Drill in Mini-Camp mode.
Mike Ditka
Have a a save on your memory card from another EA Sports football game
John Elway
Get Gold in All-Madden Pocket Presence Drill in Mini-Camp mode.
Steve Largent
Have a a save on your memory card from an EA Sports racing game
Barry Sanders
Get Gold in All-Madden Ground Attack Drill in Mini-Camp mode.
Deion Sanders
Get Gold in All-Madden Swat Ball Drill in Mini-Camp mode.
Mike Singletary
Get Gold in All-Madden Chase and Tackle Drill in Mini-Camp mode.
Jan Stenerud
Get Gold in All-Madden Clutch Kicking Drill in Mini-Camp mode.
Reggie White
Get Gold in All-Madden Trench Fight Drill in Mini-Camp mode.
Steve Young
Get Gold in All-Madden Precision Passing Drill in Mini-Camp mode.