Gameshark
Many general-use Gameshark codes can be found at Codetwink(formerly CMGSCCC.com)
As an addendum to Codetwink's codes, please read our Item Digits guide for information on how to control the items properly.
War / Strategy Battle codes: http://suikosource.com/phpBB3/viewtopic.php?f=9&t=11410
Experience Modifier codes: http://suikosource.com/phpBB3/viewtopic.php?f=9&t=11381
Enemy drop codes: http://suikosource.com/phpBB3/viewtopic.php?f=9&t=11460
McDohl name fix codes: http://suikosource.com/phpBB3/viewtopic ... 90&start=0
Unlock all spells for Forgiver Sign: http://suikosource.com/phpBB3/viewtopic.php?f=8&t=11881
See the rest of this thread for various codes such as completing all of a character's Richard investigations, "recruit" original Jowy (staff), game fixes (fix missing songs from US version - Annallee recruitment and a late strategy battle), and have the HQ sell all equipment....