Obscure Cheats

Hard Mode - Clear the game.

Special Mode/New Costumes- Clear the game.

Sum41 and Span Music Videos - Clear the game.

New weapons - Clear the game (baseball bat and laser scoped handgun).

Obscure Unlockable: Gallery 1
You must finish game in Hard mode.

Obscure Unlockable: Morgenstern Bat
You must finish Easy mode.