Summon Night Cheats (PSX)

Hold Up + X and turn on the Playstation, if the code has been entered correctly the
'Title' screen will change colors as confirmation. Start a new game and pick a character
and enter the following passwords to unlock the corresponding effect.

Unlock ALL Summon Spells: 

Enter 'ERUGO no ou' ('ERUGO' in Katakana + 'no' in Hiragana + 'ou' in Kanji - no space
between all the Kana and Kanji).

More Experience (5,000 Experience Points):

Enter 'hirokazu' (ALL in Hiragana).

More Money (10,000 GP):

Enter 'juru' ('ji' + small 'yu' + 'ru' ALL in Hiragana).

Summon Night Stone Units (30 units of every Summon Night Stone): 

Enter 'BANPURE seki' ('BANPURE' in Katakana + 'seki' in Kanji - no space between ALL the
Kana and Kanji).

Skip Conversations:

When you see the location before a conversation starts hold Select and press Square,
Circle, X, Triangle then press X to skip through it.