In Madden NFL 10, you can use the “Enter Codes” option available under the “Extras” menu to enter codes with your Playstation 2. Madden NFL 10 has numerous codes that affect gameplay and even interface. Some are humorous in nature and some improve or heighten gameplay.Continue Reading
Start the game by inserting the DVD into the PS2 console.
Select the "Extras" menu from the available options.
Once in the "Extras" menu, select the “Enter Codes” option.
Type the selected code and submit it to activate the desired mode. The code "EGOBOOST" activates Superstar Mode.