Unlock More Weapons:
Egg Vacuum … Clear story mode as neutral
Shadow Rifle … Clear Last Story mode
Omachao Gun … Clear story mode as slightly good
Satellite Laser … Clear story mode as bad
Samurai Sword … Clear story mode as evil
Healer Gun … Clear story mode as good
Hint: Poseur Co-Op:
When playing with a character from the Hero side, a second player can controll that person, but they cannot use any weapons or cars.