Shadow Hearts: From The New World (PS2)

New Game+
Complete the game and save. Load this clear game data and you will start a new game with many of your previous things like cards, fusions, enemies in library.

Unlock Purgatory
To unlock the secret dungeon Purgatory have every single enemy besides the ones in Purgatory Snapped. Then head to Chicago and speak to the Snap Master there. He will give you a Item. Go to where you get Johnny's Awaker form(Saying this to avoid spoilers). Enter the room with the fireplace and inside here examine the emblem above the fireplace to be warped to Purgatory.

Unlock Theater Mode
Complete the game one time.