Clock Tower 2: The Struggle Within (PSX)

Extra Mode:
To access the "???" option in the pamphlet menu, beat the game with an "A"
ending. This reveals a new "Extra Mode", which contains selections for "Time
Attack" and "Score Attack" mini-games.

Sound Test:
At the title screen, press Left, Circle, Down, Triangle, Right, Square, Up,
X, L1, R2, L2, R1 + Start. A "Sound Test" option will appear under "Option
Mode".

Unlimited Power Spell:
At the title screen, hold L1 + L2 + R1 + R2 and start a game. Then, a power
spell charm with unlimited uses will be available as soon as the game
begins.

View Character Biographies:
Unlock all thirteen endings, then select "Pamphlet" mode. Now a new "Guide"
option will allow data for each character to be displayed.

Wear School Uniform:
At the title screen, hold L1 + R2 + Select + Triangle and start a game.