NFL Blitz 20-02 Secret Clown
To unlock a Secret Clown, enter CLOWN as your name and 1974 as the PIN.
NFL Blitz 20-02 Secret Packer Fan
To unlock a Secret Packer Fan, complete with antlers and a blaze orange jumper, enter DEER as your name and 1997 as a PIN.
NFL Blitz 20-02 Hint: Getting Codes
Watch the replay after you score a goal. The crowd will show you codes that you can use.