Obscure Cheats

Obscure Unlockables
Hard Mode - Clear the game.

Special Mode - Clear the game.

New costumes - Clear the game (surviving characters only). This is the same as Special Mode.

Sum41 and Span Music Videos - Clear the game.

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

Alternate menu background -Beat the game once on any difficulty setting to unlock.