Shin Megami Tensei: Persona 3 Portable Cheats for PSP
Die during a battle and do not use a Plume of Dusk. When you do this the introduction from the original Persona 3 will appear at the 'Main' menu.
When you clear Margaret's Request the Void Room will automatically open at 1/1. Clear the Void Room and Pandora's Door will open.
When you complete the game this bonus feature will become available. In New Game+ mode you retain your previously obtained level, Persona Compendium, equipment, play time, and Maxed Social Links. You will also have access to the Monad Block and an optional Boss. Consumable items do not carry over.
When you have reached the 252nd floor of Tartarus Heaven's Door will open automatically at 1/1.