Cheat Codes
Enter these cheats on the Pause menu screen. The cheats marked with a * should be entered in the Title Menu screen.
Before entering them, be sure to set the control type to 'Keyboard' in Control Options, otherwise they wont work. Note: For the U.S. version of the game you must have the v1.1 patch installed for these codes to work.

Unlocks the entire Dark Chronicle
Feed, Down, TK Aim, Autoface, Right, TK Aim, Lift Attack, Down, Autoface

Unlocks every piece of Bonus Material
Down, Telekinesis, Up, Left, Right, Right, Lift Attack, Down, Right, Right

Disables Textures
Autoface, Down, TK Aim, Right, TK Aim, Up, Lift Attack, Autoface, Down

Enables Invincibility
Up, Down, Right, Down, Feed, TK Aim, Down, Lift Attack, Autoface

Infinite Reaver Gauge
Down, Down, Up, Left, Feed, TK Aim, Down, Lift Attack, Telekinesis