Odin Sphere Cheats

Unlock Cornelius:
After finishing the game as Gwendolyn.

Unlock Mercedes:
After finishing the game as Cornelius.

Unlock Oswald:
After finishing the game as Mercedes.

Unlock Velvet:
After finishing the game as Oswald.

Heroic difficulty:
Collect all text, recipes, and alchemy. In Heroic difficulty, your HP will never increases.