Unlockable Cheat Codes
The only cheat code I could find for the game, and it might help you I really don't know, but some maybe able to really find this unlockable really helpful and I am glad I could help you.
DVD Easter Egg: On the companion DVD, from the Title Menu -- Select Data, Highlight Gallery, Press "Right," Then Enter/Confrim your Selection.
More tricks, tips and cheats for this game are right here - .hack//MUTATION (Part 2) cheats
Comments for this cheat