When these codes are typed correctly, a sound will be heard.

 To be typed at the main menu:

 LACRIMOSA - After starting a new game and selecting a character to
            play, new menus will appear allowing any game level.
             All sectors to be played
 SOPHIA    - Add Sophia to playable characters
 KARMA     - Add Karma to playable characters

 To be typed inside a game when the pause menu is up (press [Esc]):

 XUL       - Full energy
 BOZ       - Full mana
 JBB       - Full capacity on all 4 weapons
 MATH      - Increase power slightly on all 4 weapons
 GRABO     - Increase armour, weapon, and spirit levels slightly
 MUMU      - Increase experience to maximum
 ALEX      - Set number of lives to 50
 RIK       - All spells acquired
 VINCE     - Add one star to each acquired spell
 CACHOU    - All cheats together
 BAR       - ?
 BIRDY     - ?
 ODT       - ?