Shin Megami Tensei: Persona 4 PS2 Cheats

Completion bonuses Successfully complete the game to unlock New Game + mode with a cleared saved game file. In this mode, Death sometimes hides inside treasure chests. You will know when this happens if you are prompted to open or ignore the chest. If you defeat Death after the chest is opened, you will get the ultimate weapons for the characters.
Successfully complete the game with the true ending. Start a game in New Game + mode. A new Fusion section will be available, allowing you to fuse Izanagi-no-Okami.

Bonus weapons Successfully complete one of the following dungeons, then return to it. Successfully complete the indicated task in the previously completed dungeon to unlock the corresponding bonus weapon:

Kanji's bonus weapon: Defeat the extra Boss in Steamy Bath House.
Kuma's bonus weapon: Defeat the extra Boss in Opera House.
Main Character's bonus weapon: Defeat the extra Boss in Void Quest.
Naoto's bonus weapon: Defeat the extra Boss in Bonus Lab.
Yousuke's bonus weapon: Hidden in the Boss' den in Mysterious Shopping Street.
Yukiko's bonus weapon: Defeat the extra Boss in Yukiko's Castle.