God mode
Hold L1 + R1 and press Right , Left , Right , Left , Up , Down , Up , Down during game play.

Immune to attacks
Hold L1 + R1 and press Left , Right , Left , Right , Up , Down , Up , Down during game play.

Full health and mana
Hold L1 + R1 and press Left (2), Right (2), Up , Down , Up , Down during game play.

Extra damage
Hold L1 + R1 and press Up , Down , Up , Down , Left , Right , Left , Right during game play.

Extra silver and Adderstones
Hold L1 + R1 and press Up (2), Down (2), Left , Right , Left , Right during game play.

Debug mode
Hold L1 + R1 and press Right (2), Left (2), Up , Down , Up , Down during game play. This will unlock levels on the map, but you must travel on the map to go there. Hold L2 or R2 and press Right to display the debug menu. To get to any level, choose the "Level select" option from the debug menu. This allows you to directly jump to any level, even the final ones.

Bonuses
Donate 100 silver to the priests, both in towns and in the wild to unlock various bonuses, such as movies, artwork, and songs.

Use the following trick to unlock the bonuses easily. After getting at least 2,000 silver, save the game. Find a priest and make a 100 silver donation. Keep donating 100 silver until all your silver is gone. Then, pause game play and select the "Exit To Main Menu" option without saving your game. Answer "Yes" when warned that your unsaved chapter progress will be lost. Once at the title screen, enter the "Extras" menu to view the unlocked bonuses. Exit that menu and load your previously saved game. Immediately save the game again. You will still have your silver and the unlocked bonus options.