Press [Start] to pause game play, then hold R and press Down, Up, Square, Triangle, Triangle, Circle, Down, Up, Square, Triangle. A new [Cheats] option will appear towards the bottom of the menu, with "Invulnerability" and "Have All Weapons" options.
Download: Savegame (USA)
Saved in the hall of heroes, with all 15 chalices filled. Now you can talk to any or all heroes when ever you want. All levels unlocked.(Downloads are on an external site and open in a new window)
Download: Savegame (EU)
All Items and All Levels Unlocked.(Downloads are on an external site and open in a new window)