Madden NFL 2003 cheats and cheat codes for XBox

Infinite creation points
Go to "Rosters", after select "Edit Player". Choose the players that 
you want to be rated to maximum (99). Go to his attributes, then 
increase everything. 

Unlock Mummies team and Nile High stadium
Have a saved game file from an EA Sports racing game in your memory card.

Unlock Marshals team, Mike Ditka and Dodge City stadium
Have a saved game file from an EA Sports football game in your memory card.

Unlockable players:
Win 1st place and earn gold ranks on the All-Madden level in the indicated 
mode to unlock the following chraracters:

Unlock Reggie White
Win 1st place in All-Madden DL-Trench Fight

Unlock Steve Young
Win 1st place in QB Precision Passing (St. Louis Rams)

Unlock Barry Sanders
Win 1st place in the RB Ground Attack drill in mini-camp mode

Unlock Deion Sanders
Win 1st place in the DB Swat drill in mini-camp mode

Unlock Jan Stenerud
Win 1st place in Clutch Kicking Drill in mini-camp mode

Unlock John Elway
Win 1st place in the QB Pocket Presence

Unlock Kevin Butler
Win 1st place in P-Coffin Corner Punt

Unlock Mike Singletary
Win 1st place in the LB Chase and Tackle drill in mini-camp mode

Special commentaries:

Thanksgiving commentary
Modify the system date to the 3rd Thursday in November.

Christmas commentary
Modify the system date to December 25.

New Year's commentary
Modify the system date to January 1.

Unlock Cheerleader Cards and game cheats
Win 1st place in any event on the All Pro, Pro and Rookie levels.

Cheerleader and Pump Up Crowd cards
Finish the "Game Situation" challenges in mini-camp mode.