Cheat Mode
Enter these codes at the "Code Entry" menu... it's found under "Extras":
54641 - 1-Hit Dishonor
97831 - Character Concept Gallery
34743 - Double Damage
53467 - Neverending Stealth
23637 - Unlimited Copper
24463 - Unlimited Chi
94677 - Unlimited Health
37437 - Unlock all Treasure Maps