Select the "Missions" option for the first time, then enter UUDDLRLRBA as a name. Note: You will only be able to use new characters in Missions mode after this code is enabled.
Complete the following tasks to unlock PlayStation3 trophy rewards.
nb, dcahfa
Enter the "Missions" subscreen from the menu and you will be prompted to enter a name if this is your first time entering. Enter the following code as your name to unlock every mission and several outfits. Be wary though, you can't use any new character in story mode, only in "Missions" mode.