Cheat Mode:
     Enter   the   "Rewards"  menu.  Enter  the  appropriate  section,
highlight  one  of  the  following  options,  then enter the code when
prompted to unlock the corresponding item.

Costumes (Heroes): Baseball shirt Drake:
     Press  Left, Right, Down, Up, Triangle, R1, L1, Square. 
Note: The game must first be completed in order to switch costumes.

Making a Cutscene: Time's Up:
     Press L1, Right, Square, Down, Left, Triangle, R1, Up.

Making a Cutscene: Grave Robbing:
     Press Left, R2, Right, Up, L2, Triangle, Square, Down.

Concept Art: Bonus 1:
     Press L2, Right, Up, Square, Left, Triangle, R1, Down.

Concept Art: Bonus 2:
     Press Square, L1, Right, Left, Down, R2, Triangle, Up.


"Crushing" Difficulty
     Complete  "Hard"  difficulty for all 22 chapters WITHOUT changing
to  lower difficulties at all for any chapter. When done, start a "New
Game" and select "Crushing," which is the most challenging setting for
this game.