CASTLEVANIA: CIRCLE OF THE MOON CHEATS

Unlock Fighter mode:
Beat the game two times. Then enter GRADIUS as your name and start a new game.

Unlock Shooter mode:
Beat the game three times. Then enter CROSSBOW as your name and start a new game.

Unlock Thief mode:
Beat the game four times. Then enter DAGGER as your name and start a new game.

Pick any card combe:
Activate a dss card combo and then while your player still has that glowing outline around him, activate a different dss card combo that you DONT have the cards for. Whatever combination it is it should work.
(supplied by: kpcongdon)