When you get to Karillon, Go left until you to an alleyway with a cemetary. Just past the cemetary are a bunch of guys who will fight you for 100 coins. You can fight them as often as you wish. Each battle will earn you about 500 to 800 exp.

Place any of the CD's in your stereo to listen to some bonus songs.

All Weapons - Start the game, go into the first room, and kill the two enemies there. Press L1 + L2 + R1 + R2 + CIRCLE all at once. A red flash will verify code entry.

Invincibility - Start the game, go into the first room, and kill the two enemies there. Press L1 + L2 + R1 + R2 + X (CROSS) all at once. A blue flash will verify code entry.

Level Select - Start the game, go into the first room, and kill the two enemies there. Press L1 + R1 + L2 + R2 + TRIANGLE all at once. A green flash will verify code entry. Go to the title screen and select the stage from there.